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Why the exceptions for the 14,500 class?
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mfsuper90
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Valid point Perkins man. It went right over my head that it was 5ci over the limit
by
mfsuper90
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Sounds like a fun class. The 1006 engine is a better platform to start with. 12 port heads flow better, and they can have a p-pump adapted to them more easily since the pump is horizontal instead of vertical.
A good rotary is $1500 minimum, has a short life span, and has long injection duration. A good used p-pump can be had for $2-3k and will last a long time and make way more power. Been there
by
mfsuper90
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Quoteperkins man
here are some rules that would be a fun 4 cylinder class
5000 lb
260 cubic inch max - massey , ford, ih, deere, allis, all have engines to fit this class
3500 rpm diesel
open rpm gas - maybe im not sure on this
2.5 charger
A-pump max
intercooler allowed
stock heads only
home made manifolds allowed
safety equipment 2 bar cage steel flywheel blanket etc.
Couple
by
mfsuper90
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I’m a Massey fan, but the international that pulled right after him put it on him real bad lol
by
mfsuper90
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you have to inject fuel before tdc because of how fast the engine rotates and the delay of fuel getting through the line, injectors, and into the cylinder. You also have to take into account the amount of time it takes for the fuel to actually be injected and burn. Compressed air is at its hottest at tdc, but your fuel need time to get there. Thus the reason you "advance" the timing to make them
by
mfsuper90
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A VE pump will put out a pretty good amount of fuel in stock form, and are cheap and plentiful.
I really think your over thinking it. But if the pump is on tdc for cylinder 1 then it would’ve already injected. And yes it will be advanced, but as I said earlier factory is advanced 32 degrees btdc. And that is factory, if you wanting to run more rpm and get more power you’ll be advancing the ti
by
mfsuper90
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Set the pump on top dead center, and the engine. Then put a degree wheel on the crank and turn the engine over until it’s at the desired degrees bdtc. You can take the little pump timing gear off the front to let the pump stay in place but the engine still roll over.
Or a much less specific way: put them both on Tdc, roll the engine back a little, then time it by ear or by dyno.
Good luck
by
mfsuper90
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Purse is over $10,000! for the night classes. Hope to see you all there!
by
mfsuper90
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Purses are growing! Thanks to all the businesses that have donated towards The pull and the fair in general
by
mfsuper90
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Marietta Ohio$9000 TOTAL PURSE MONEY FOR NIGHT CLASSES
Sign up for Antique Tractors start at 8am with the pull beginning at 9am. The night session will begin at 6pm.
All morning classes will be allowed top cut tires, 4mph classes are allowed a max of 18.4 tire, 6mph are allowed 20.8
100% payback for morning classes.
4mph 18" drawbar classes
-4500
-5500
-7500
6mph 20" drawbar classes
by
mfsuper90
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GPS. Or download of a speedometer app on your smart phone if you have one and put a phone mount on your tractor. But I have heard of people using a bicycle wheel and speedometer as well.
GPS can have some lag if your wanting it to run a speed limit class. I would just find rpm vs what gear you run and use that.
by
mfsuper90
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Is a rounded groove really that bad?
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mfsuper90
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Wanna do some fun “stock” pulling, find a tug pull as we call it. Others call it a dead weight pull. Not real exciting to watch, but fun to pull.
by
mfsuper90
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We had a local announcer once that whenever someone had trouble on the track he blamed it on the driveshaft. Tractors, trucks, you name it. Same announcer would also go into great detail about when the white smoke turned black this and that was happening inside the engine etc. I can’t remember exactly what he said, but it was comical to anyone with technical knowledge.
On a funny note, someon
by
mfsuper90
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We stayed in a red roof in one year, never again. That place was a cheap crap hole
by
mfsuper90
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QuoteBryan Lively
There needs to be some clarity here about the intent of the divisions:
Division 1: The "restoration class" in the NATPA is pretty close to stock save for the wheelie bars and kill switch. Truly stock appearing
Division 2: Division 1 with weight brackets and fabbed hitches, uncut tires Stock appearing to an extent
Division 2t: Top cut tires, division 3 engine rules. Second-m
by
mfsuper90
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These are the reasons I have never pulled natpa. I didn’t build my tractor to conform to anyone’s rules, I just built it to have a good time. Natpa is very picky on a lot of things, so I’ve never even bothered going to one
by
mfsuper90
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I was told .120 are not needed until you are running over 1100cc of fuel
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mfsuper90
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1006 perkins is a 8.6xx”
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mfsuper90
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I was planning on using a miniture relief valve on the return side of the pump
by
mfsuper90
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Can a pump be too big? I figure if it was it would probably crest extra heat in the fuel?
I know people say use volume to keep the p-pumps cool, but I didn’t know how much is too much
by
mfsuper90
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Thank you koepke7810, that’s good info. Thanks for sharing!
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mfsuper90
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Looking into mechanical fuel supply, trying to decide between a gear pump and vane pump.
This will be belt driven, Is there any reason to pick one or the other?
by
mfsuper90
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Are you sure on the British pipe thread? I though they were 16x1.5 or 18x1.5
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mfsuper90
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Look at the garrett turbo site. Lots of info on there
by
mfsuper90
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I would like to see one with a built in note taking book where you could write how you weighted your tractor, what the track was like, pull location, distance pulled, changes made to the tractor, etc.
I cant remember all this stuff, and I don’t carry a paper around with me. But I would probably get it done on my phone
by
mfsuper90
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Is this going to be a street truck too or a pure puller?
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mfsuper90
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Where at in SE ohio are you?
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mfsuper90
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You can even get a 1006 Perkins already in a natural gas form, I think that would simplify the alcohol conversion a lot
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mfsuper90
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