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        <title>505-510 Light Pro Stock</title>
        <description>I personally think the US needs a high performance 510 CID single charger diesel class.  I think almost every diesel fan would really enjoy a colorful high RPM class here in the US.  Bigger isn&#039;t always better, Nascar lowered cubes and moved the sport forwards, Indy cars continue to lower cubes and move the sport forwards, NHRA lowered cubes to move the sport forwards.  Every auto maker is building smaller, more efficient engines with more HP.  Tractor manufactures offer engines in the 500 range but keep squeezing more and more power out of them.  Big cube engines are dinosaurs.  Smaller cubes isn’t going backwards, but rather it’s forwards thinking.  The backwards mindset of bigger is better is stone-age thinking.

Since pulling organizations either don&#039;t have the backbone, or foresight to dramatically lower the cubes maybe they should just start a new class for diesels with lower cubes.  Write the rules now and give it time to develop (by the way, 505-510, not 466)  Look at the success of the LSS class, it’s growing by leaps and bounds.  I think we’re long overdue for a Light Pro Stock class here in the US, I’d love to see something very, very similar to European rules: 505-510 CID, stock tractor blocks, (no OEM replacement Hyper blocks, no billet blocks, just IH, JD, AC, NH, etc… blocks), something that is similar to what manufactures actually still sell.

Let the guys that want to build 640-680 run in their class, but start a [u]new[/u] class for the 505-510 guys.  Give it some time to build and then see where it goes.</description>
        <link>http://www.pulloff.com/phorum/read.php?2,14693,14693#msg-14693</link>
        <lastBuildDate>Fri, 04 Sep 2026 12:38:56 -0700</lastBuildDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15611#msg-15611</guid>
            <title>Re: Two classes</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15611#msg-15611</link>
            <description><![CDATA[ Jake Morgan Wrote:<br />
-------------------------------------------------------<br />
&gt; I’ve talked about this class with my father and<br />
&gt; a close friend for a few years now.  Actually all<br />
&gt; three of us agree that pulling really needs two<br />
&gt; new 510 diesel classes:<br />
&gt; <br />
&gt; One that’s a full blown 510 Pro Stock class (any<br />
&gt; charger, any pump, etc…)<br />
&gt; and<br />
&gt; One that a 510 Super Farm type class (P-pump,<br />
&gt; Stock heads, 3x4 or 4.1 type charger, etc…)<br />
&gt; <br />
&gt; Personally I’m more interested in watching the<br />
&gt; 510 Pro Stock class, but I think the sport needs<br />
&gt; both classes in the future.  I think both classes<br />
&gt; would be an absolute great additional to the<br />
&gt; sport.  I would like to see a 510 SF type class<br />
&gt; stay a state/regional type of class, and the 510<br />
&gt; PS type class be a national class.  This thread<br />
&gt; has been some great discussion on both types of<br />
&gt; classes I&#039;d like to see.<br />
<br />
<br />
I&#039;m all for this 510 SF class you post here. If the class is ever made I&#039;m in. Maybe with 3x4 turbo and 8,000lbs.<br />
I&#039;m in hot farm and would love to move to a SF class, just not 640ci. With 510ci and the bigger turbo and lighter weight it would make for a good show. I&#039;m ready to upgrade my tractor to a class like this.<br />
<br />
<br />
my 2cents, nick]]></description>
            <dc:creator>Anonymous User</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Tue, 24 Feb 2009 14:41:37 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15594#msg-15594</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15594#msg-15594</link>
            <description><![CDATA[ What ever happened to the little cubed motors in the pro stock like a 301 AC or a 404 or 414 JD. It wouldn&#039;t take a lot to turn a small stoked motor fast and would be very economical and possibly put on a decent show.]]></description>
            <dc:creator>JRP</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Tue, 24 Feb 2009 10:35:32 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15520#msg-15520</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15520#msg-15520</link>
            <description><![CDATA[ That brings something to my mind:<br />
You run in a world of 1930s flatheads... <br />
They put on a nice show and have a very special appeal ( I ran a Kohler single cylinder Super Stock about 10 years ago, too) - but put to a performance test against OHC and OHV engines... ouch]]></description>
            <dc:creator>Sascha</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 14:00:33 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15515#msg-15515</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15515#msg-15515</link>
            <description><![CDATA[ i don&#039;t see the difference ,wouldn&#039;t the aftermarket block be a reproduction,able to receive the manufactured crank,cam,and head bolt pattern.it would also have the manufactured deck height,and cam and crank centerlines.my son runs a pro-stock gt,the gt world went through this block deal probably 10yrs ago or better,at first it was probably a 50-50 on prefference.now there is less than 1 percent of the factory blocks being used.over the years i have had and seen the cast blocks break,pretty much junks the engine.since the aftermarket blocks have become the norm i have not seen 1 break.which is always cheaper,no matter what anyone thinks.]]></description>
            <dc:creator>patches</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 13:05:52 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15506#msg-15506</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15506#msg-15506</link>
            <description><![CDATA[ i&#039;ve thought that for years.i would enjoy a gas tractor,and i dont want to be in line at a pump shop.i think a competitive fuel system could be made rather inexpensive out of a jegs or summitt catalog.]]></description>
            <dc:creator>patches</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 10:49:54 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15495#msg-15495</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15495#msg-15495</link>
            <description><![CDATA[ I don’t remember the billet block issue ever being resolved.  I’m not sure where you got that impression.  I don’t even remember this billet block issue being resolved by any one particular class.  The pullers in the classes still disagree on billet blocks, heck the pullers in the class still disagree about the cast Hypermax block.  I’m sorry, but these block issues are very, very, very, far from being resolved.  Maybe your mind is made up, but that doesn’t mean there’s a consensus.<br />
<br />
It’s all speculation, whether a billet block will: save a class, kill a class, or have no effect on a class.  Nobody really knows what will happen.  I don’t own a billet block or a stock block so I have no bias on which way the rules go as per an investment.  As a fan I do have a bias on what I prefer to watch.  I prefer to watch tractors powered by a tractor block.  That’s my choice and my preference.  I don’t and I won’t support a billet block in the tractor classes.  That is my opinion, and my choice.  You don’t have to agree with me, we can agree to disagree and that’s fine with me.<br />
<br />
There’s only one way to really know… take a scientific approach, start a full blown 510 Light PS class and a 510 Light SF/ Light Limited PS class with stock blocks and keep the LSS stock blocks.  Then go to billet blocks in the 640+ classes.  Give it ten years and then we will know what pullers and fans truly prefer.<br />
<br />
Time will be the real test.  (;)I&#039;m going to blow my own horn but...) I’m still sticking with my predictions though, because my track record of predictions hasn’t been too bad.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 08:31:08 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15493#msg-15493</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15493#msg-15493</link>
            <description><![CDATA[ Jake I thought we killed this cast/billet block issue already.  I&#039;m starting to think this is just a personal issue for you and not a unbias perfessonal opinion.  I have a hard time under standing why you think that saving a few $$$$s on a cast block is going to save the class?  On Fonda&#039;s board one post stated that if you can&#039;t afford a billet block then you couldn&#039;t afford to pull PS/SS either.<br />
<br />
    With the idea of straping the block or bracing the block why put all the time and money it to finding some thing that will work when you can just build billet and be over? Like I posted earlier look what a billet aluminum block will take.  Top fuel is running 7000+ HPs with nitro and the best SS may only be running half that or a little more.<br />
<br />
    If it comes down to it being the only "stock" piece of tractor left then have them run a stock streering wheel or have a factory 3rd link on the back of the tractor I just don&#039;t understand why a person would spend $1-200,000 on a engine with a factory block that was designed to handle 250Hp at the most.   It have been posted that NASCAR or NHRA are all using high performance block designed for their specific needs, then why should pulling be any differant???  If you think that the major manufactures are going to come in and save the day, Well  I guess we could all dream.<br />
Thanks Chucky]]></description>
            <dc:creator>chucky</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 07:47:07 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15485#msg-15485</guid>
            <title>Re: decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15485#msg-15485</link>
            <description><![CDATA[ not sure but....<br />
<br />
how the EU Pro Stock Rule is written down, it is not allowed to downsize the engine when it is equipped with stock 4Valve head. max size with 4V is 7300ccm (445cui). the 2Valve head engine with max 510cui, you are allowed to downsize.<br />
<br />
Regards]]></description>
            <dc:creator>Anonymous User</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Mon, 23 Feb 2009 01:15:06 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15480#msg-15480</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15480#msg-15480</link>
            <description><![CDATA[ If we&#039;re going to redesign the pro stock class, I say let the word "STOCK" mean something.... with regards to fuel.<br />
<br />
I&#039;m fine with components.  Not going to touch the block rule.<br />
<br />
However, I question why any fan or puller has an issue with a tractor being able to run the fuel it came from the factory with.<br />
Does Colberg dominate sf?  No, but he can win from time to time.  Does Cespedes dominate PS?  No.  I&#039;m not sure he&#039;s ever won, but I enjoy seeing him pull at BG.  So, the dominance argument is a red herring.<br />
<br />
Why only diesel?  Why have grandfather clauses for 2 yellow tractors (one in SF and PS)?  I think for both SF and PS, whether the existing cube and weight breaks, or what Jake is proposing, should allow a tractor to pull the fuel it came from the factory with for that make/model of tractor.  Whether LP, Propane, Pure Purple Maple Syrup, etc, if the manufacturer had a tractor run on a given fuel (except for some eastern European tractors that I&#039;ve heard rumors were made to run on methanol... not sure it that&#039;s correct), that fuel should be allowed in the class.<br />
<br />
It would give more variety, and color.]]></description>
            <dc:creator>The Original Michael</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 20:42:35 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15479#msg-15479</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15479#msg-15479</link>
            <description><![CDATA[ Jake Morgan Wrote:<br />
<br />
&gt; I honestly don’t think billet blocks are new<br />
&gt; technology, just alternate technology.  “New”<br />
&gt; tractor technology is OEM 4 valve heads and OHC. <br />
&gt; New stock tractor technology is 300 HP on a 500<br />
&gt; inch motor with EFI, low emmisions, great fuel<br />
&gt; economy.  Pulling needs to embrace what’s being<br />
&gt; sold today, and not what was being sold 40 years<br />
&gt; ago.  Nascar is successful because they run a Ford<br />
&gt; block in a Ford car.  Fans care that a Ford is<br />
&gt; powered by a Ford.  Nascar isn’t perfect, and<br />
&gt; some of their rules are antiquated, but they have<br />
&gt; never forgotten that Fords are powered by Ford,<br />
&gt; and they never forget how brand loyal their fans<br />
&gt; are.<br />
<br />
<br />
NASCAR might run what you call a ford block, but it&#039;s a small block that is only for NASCAR. You can&#039;t get it in a current car. You can&#039;t even buy it for any other racing purpose. The blocks they use are not the same that you get from Summit or Jegs. They are made for NASCAR racing only, and there technology is very similar to pulling with hyper blocks with the old fuel technology. There is no stock parts on a stock car, not even the block. And the core of the tractor is long gone years ago, the vin number is on the rear end. I&#039;m not saying billet blocks are the way to go, but some kind of better after market blocks could bring back more color.<br />
<br />
<br />
nick]]></description>
            <dc:creator>Anonymous User</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 20:02:17 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15476#msg-15476</guid>
            <title>Re: decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15476#msg-15476</link>
            <description><![CDATA[ I think that Jake is right weight is weight componet or cast,the cost to take a cast rear and make it hold up to 2500hp is not cheap but that should be the pullers choice to what they want. The 505 or 510 limit shouldnt matter if it is decubing or changing bore or stroke as long as it in the limit of the rules. This is going to be a pro stock class not a beginner class,7700 lb. would be great 2500lb. less weigth to have to pack on these tractors is also going to eliminate alot of rearend failures that use to happen at the heavy weights with cast rearends.This is a good class for the fans,alot of HP ideal weght good sled setting one hell of a show.]]></description>
            <dc:creator>elrod</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 19:02:17 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15475#msg-15475</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15475#msg-15475</link>
            <description><![CDATA[ I agree, nobody likes to pay good money to watch firestone, firestone, firestone!!!]]></description>
            <dc:creator>smoke high in the sky</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 18:48:05 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15474#msg-15474</guid>
            <title>Re: 505-510 Light Pro Stock..oh really ?</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15474#msg-15474</link>
            <description><![CDATA[ In NASCAR a Ford is powered by a Ford engine. A pushrod V8...how many of those does FOMOCO sell anymore ?<br />
<br />
NASCAR reduced cubes and the sport grew...not !  A huge decrease in factory involvement made that rule come about. A 433 c.i.<br />
<br />
engine was legal until mid to late 70&#039;s,but it required a restrictor plate,small blocks could run w/o plate. NASCAR hitched it&#039;s wagon<br />
<br />
to  factory backed small blocks..Chevrolet being the most popular . They remained a small,southern region sanctioning body ,Mopar left stock car <br />
<br />
racing in mid 70&#039;s.  NASCAR started it&#039;s growth with the return of Ford,1980.  Current Cup engine rules have a 358 ci maximum AND a 350 ci <br />
<br />
minimum.  Bill Elliot tried a 317 Busch setup to defeat restrictor plate,France and company were not going to have those boys stink up their<br />
<br />
series with a superior engine plan,hence the minimum. We still ended up with 9000 plus rpm combo&#039;s . V6 engines were run in the Busch series.<br />
<br />
The rumble of a 90 degree V8 is a huge part of the appeal of stock cars,hence their return. Fans didn&#039;t like bumblebee buzzing V6 cars.<br />
<br />
   Audience is shifting ? Fools who claim NASCAR is a driver&#039;s series are wrong. Tony Stewart worked hard to get back in a Chevy. Earnhardt<br />
<br />
Nation would shrink considerably if Dale Jr went to racing a Toyota. The part of the audience that is leaving room for muscle car fans coolers ?<br />
<br />
Casual "driver series" newbies who can&#039;t quote mechanics of competitors cars from memory. Flavor of the month folks. <br />
<br />
    What tractor pulling needs ?  It&#039;s participant driven, so what increases numbers would help the most. Might be a new class,allowing new or <br />
<br />
different parts. I disagree with you,billet won&#039;t kill it . There is tremendous momentum in pulling with new light classes, I think that&#039;s the next step <br />
<br />
up the ladder.]]></description>
            <dc:creator>EFV</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 18:19:23 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15473#msg-15473</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15473#msg-15473</link>
            <description><![CDATA[ One thing that needs to be accepted when you guys want to compare Nascar to pulling is,... there is no comparison.  Yes it is a motor sport but so is lawn mower racing, however I think pulling is a higher level than that.  Lowering cubic inch limits in a GN class(USS DSS PS) is really kinda silly if you think about it.  The technology is already there,... they make awesome HP,... and put on a heck of a show !  If the proponents of grass roots pulling want a 500 inch engine, large turbo, and large pump they should start it at a lower level of competition and see if it grows.  I suspect it won&#039;t because of the financial investment involved in making large RPM HP will be more than the new entry pullers will want to maintain.  Something that always needs to be remembered is that high HP &  fast wheel speed is what separates the GN show from all other pulls, and when fans pay for a GN show they don&#039;t want to see restrictor plate pulling !]]></description>
            <dc:creator>Grease Burnin</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 18:00:04 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15470#msg-15470</guid>
            <title>Re: Two classes</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15470#msg-15470</link>
            <description><![CDATA[ Jake,<br />
The one class you speak about, does exist.  Its called Light Pro 8200lbs, 540ci, oem head, p-pump and 3.15 X 4  turbo.  They run the class in Ohio and also Missouri.  I believe Missouri run a 3x4 turbo.]]></description>
            <dc:creator>Dave 255</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:53:08 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15469#msg-15469</guid>
            <title>Re: decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15469#msg-15469</link>
            <description><![CDATA[ that ,s detroking ,they have the option of deboring as well. some motors could use a little more sleeve any way]]></description>
            <dc:creator>yes we CAN</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:49:08 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15468#msg-15468</guid>
            <title>Re: decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15468#msg-15468</link>
            <description><![CDATA[ problem with decubing is, you get short stroke (high rev), big bore and big flow engines.... that would mess things up rather badly.]]></description>
            <dc:creator>Sascha</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:40:17 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15467#msg-15467</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15467#msg-15467</link>
            <description><![CDATA[ A V6 is about as crappy of an engine as it will get. Only good thing about them is, they are cheap to build and do better low end tourque than an inline 6...]]></description>
            <dc:creator>Sascha</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:37:44 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15466#msg-15466</guid>
            <title>Re: Two classes</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15466#msg-15466</link>
            <description><![CDATA[ the llss class  almost has that covered with a 470 3x4 diesel limit,  butt they have to run agianst  370 cid alkys   and be light tractors]]></description>
            <dc:creator>llss</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:19:58 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15464#msg-15464</guid>
            <title>Re: decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15464#msg-15464</link>
            <description><![CDATA[ Personally I’ve got nothing against decubing.  If someone wants to run a IH 550, Cat 573, JD 531/619, Cat 636, or Perkin 640 in a 505 class that’s fine by me.  If they can get their motor down to the 505/510 limit then I see no reason to not let it run.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 17:08:09 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15462#msg-15462</guid>
            <title>decubeing</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15462#msg-15462</link>
            <description><![CDATA[ allow decubing so  1468 dv550, early oliver  cat v8s  and the perkins have a chance in to pull.  ya ya ((they)) say they ((cant))  hold up, but then again who the #e!! are ((they))? and ((cant))  never accomplished anything!!!!   so why Nott]]></description>
            <dc:creator>itty bitty v8</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:50:08 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15461#msg-15461</guid>
            <title>Two classes</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15461#msg-15461</link>
            <description><![CDATA[ I’ve talked about this class with my father and a close friend for a few years now.  Actually all three of us agree that pulling really needs two new 510 diesel classes:<br />
<br />
One that’s a full blown 510 Pro Stock class (any charger, any pump, etc…)<br />
<b>and</b><br />
One that a 510 Super Farm type class (P-pump, Stock heads, 3x4 or 4.1 type charger, etc…)<br />
<br />
Personally I’m more interested in watching the 510 Pro Stock class, but I think the sport needs both classes in the future.  I think both classes would be an absolute great additional to the sport.  I would like to see a 510 SF type class stay a state/regional type of class, and the 510 PS type class be a national class.  This thread has been some great discussion on both types of classes I&#039;d like to see.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:47:49 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15459#msg-15459</guid>
            <title>Re: 6000 llss and 7- 8000 limited pro class</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15459#msg-15459</link>
            <description><![CDATA[ 505 with a 1% variance is 510.  (Personally I think the variance is stupid, just make the limit set in stone with no variance, (510 in this case) but that’s a debate for a different thread).<br />
<br />
I don’t like different weights for component and non-component tractors.  Horsepower is created in the engine, not the rear-end.<br />
<br />
Let’s take two almost identical tractors, let’s make them 1066’s one with a stock rear-end, one with a truck rear-end and planetaries.  Let’s say both tractors have full length chromoly frame rails.  The 706 rear-end has been lightened up quite a bit (lets assume it used to be a LSS, Heck maybe it was the old Tennacious tractor), and the new component tractor has steel planetaries and the big Eaton center section.  Both tractors weigh almost the same thing bare.  Both tractors make 2500 HP and have identical combinations.  Why should a guy with a 706 rear-end get 500 lbs?  Just because he built a 706 rear-end?<br />
<br />
Let’s take it one step further, a CaseIH rear-end is different from a 706 rear-end, should there be a different weight for a CaseIH rear-ended tractor vs. a 706 rear-ended tractor?<br />
<br />
In my hypothetical situation I’d bet on the better driver and the guy who sets his tractor up better, not the one who has a certain rearend.<br />
<br />
Personally I think one weight is fine for whatever chassis you CHOOSE to build.  The rearend doesn&#039;t make the power.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:37:35 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15456#msg-15456</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15456#msg-15456</link>
            <description><![CDATA[ Thank you Jake. That is what I&#039;m getting at. The proposed class wouldn&#039;t be a state and regional only class. This is a class to run the National circuit. I think this class could be great.]]></description>
            <dc:creator>Fuelish Fan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:26:28 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15454#msg-15454</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15454#msg-15454</link>
            <description><![CDATA[ In Nascar a Ford is still powered by Ford.  Nascar knocked the cubes back and the sport grew.<br />
<br />
I completely agree regarding some of Nascar’s antiquated rules.  If Nascar is smart I think they will probably eventually adopt updated engine rules.  I’m not a Nascar expert, but common sense makes me predict that the engine limits in Nascar’s future will be smaller than they currently allow.  It wouldn’t shock me to see all EFI injected V-6 rounding the NASCAR ovals some day.<br />
<br />
The one thing Nascar knows is their audience.  Unlike pulling Nascar caters to the fans first.  I also believe that Nascar knows where their future lies, and they know that their audience is gradually shifting away from muscle car enthusiasts.  <br />
<br />
By the way, an injected V-6 will put on every bit as good of a show, maybe even better.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:17:54 -0800</pubDate>
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        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15453#msg-15453</guid>
            <title>Re: Components</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15453#msg-15453</link>
            <description><![CDATA[ There are a few reasons why I don’t like billet blocks:<br />
<br />
- I don’t think they will be a long term solution.<br />
- I don’t think they will stay brand specific in the long term.  It will evolve to the same billet block for any hood.<br />
- I think the block is the heart of a tractor, it’s not the cab, it’s not the tires, it’s not the rear-end, it’s not the frame rails, to me the part that keeps a component tractor a tractor is the block.  Yes the hood makes it look like a tractor, but if still feels like a tractor if it’s actually tractor powered.  A billet block for me as a fan will just be a single engine mod class.  Some people see component tractors as a mod class, and that’s fine, I respect their opinion, but to me it’s the block.<br />
- One other reason I’m against a billet block is because I honestly don’t believe we have exhausted all of our resources yet.  There are tie downs, and other restraints that can be implemented to keep blocks together in an unfortunate event, some of the technology is out there already and in use..<br />
- The last reason I’m against billet blocks is cost.  From scratch I could build a component tractor cheaper than I could a stock chassis.  So a component can be built cheaper and it can also allow new model tractors.  I could never build a billet block cheaper than I could find a junkyard block.  I&#039;m willing to bet that I could look around at some local junkyards and find a block suitable for a pulling tractor for under $600.  How much would a single billet of raw unmachined steel big enough to machine a block myself cost?<br />
<br />
I believe that billet blocks are class killers.  <br />
<br />
I honestly don’t think billet blocks are new technology, just alternate technology.  “New” tractor technology is OEM 4 valve heads and OHC.  New stock tractor technology is 300 HP on a 500 inch motor with EFI, low emmisions, great fuel economy.  Pulling needs to embrace what’s being sold today, and not what was being sold 40 years ago.  Nascar is successful because they run a Ford block in a Ford car.  Fans care that a Ford is powered by a Ford.  Nascar isn’t perfect, and some of their rules are antiquated, but they have never forgotten that Fords are powered by Ford, and they never forget how brand loyal their fans are.]]></description>
            <dc:creator>Jake Morgan</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 16:00:39 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15439#msg-15439</guid>
            <title>Re: 505-510 Light Pro Stock</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15439#msg-15439</link>
            <description><![CDATA[ Jake Morgan Wrote:<br />
-------------------------------------------------------<br />
&gt; I agree with 007, but we need to start somewhere. <br />
&gt; We need a 505-510 cubic inch diesel option.  We<br />
&gt; need a NASCAR class that somewhat represents what<br />
&gt; tractor companies are producing today.  The sport<br />
&gt; needs to start it&#039;s future plan now.<br />
<br />
<br />
Just remember that NASCAR requires a push rod v8 and a carburetor,[which is tech from the 50&#039;s-80&#039;s]<br />
they don&#039;t have EFI or overhead cam.  John Deere ran the old tech mechanical diesel motors until 94 with the 4960. So NASCAR is behind just like us old school [60&#039;s tech] pullers, but the factory tractor tech is ten years less out of date than the race cars are[94-vs.85]. NASCAR is new sheet metal with a tube frame and 1950&#039;s small block with all the race parts you can throw at it just like pro stock pulling.<br />
<br />
just my 2 cents, nick<br />
<br />
<br />
P.S. thanks for this sight to share ideas and for the classifieds.]]></description>
            <dc:creator>Anonymous User</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 14:45:07 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15435#msg-15435</guid>
            <title>Re: 6000 llss and 7- 8000 limited pro class</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15435#msg-15435</link>
            <description><![CDATA[ 510 cubes so the V-8 Masseys can pull.]]></description>
            <dc:creator>Anonymous User</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 13:04:18 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15430#msg-15430</guid>
            <title>Re: 6000 llss and 7- 8000 limited pro class</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15430#msg-15430</link>
            <description><![CDATA[ Hey Jake  , Just another opinion here.  Light Limited Pro-Stock 7500 lbs component , 8000lb. non -component. 505 cid, any pump ,any injection(deisel) any factory head ( no valve limit)  NO billet heads - hence the other part of "limited" along with cubes. Any camshaft configuration , NO turbo limit . Engine and sheet metal must follow heritage lines. Wouldnt this make for some interesting combinations , not to mention some colorful classes.]]></description>
            <dc:creator>ACLLSS puller</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 11:46:39 -0800</pubDate>
        </item>
        <item>
            <guid>http://www.pulloff.com/phorum/read.php?2,14693,15423#msg-15423</guid>
            <title>Re: 6000 llss and 7- 8000 limited pro class</title>
            <link>http://www.pulloff.com/phorum/read.php?2,14693,15423#msg-15423</link>
            <description><![CDATA[ what about common rail or electronic diesel technology, I think its time that a class would allow it.]]></description>
            <dc:creator>old man river</dc:creator>
            <category>Pulling Forum</category>
            <pubDate>Sun, 22 Feb 2009 09:17:42 -0800</pubDate>
        </item>
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