IH roosa master pumps July 18, 2010 02:27AM
was wondering what the size difference is between an 806 and 856 roosa master pump is, if any.
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Re: IH roosa master pumps July 18, 2010 04:53AM
pump size is .370 on both. other differences in the pumps,mostly in the advance, but none of any significance for performance.
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Re: IH roosa master pumps July 18, 2010 08:40AM
if you need a little bit more fuel find a roosamaster off of a 5020 John Deere. it has a .390 plunger in it. I think it has a different fireing order and you will have to rebend 2 of your injector lines to fit in the pump in the right location. I THINK I had to do that several years ago. Cant really remember.
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Re: IH roosa master pumps July 18, 2010 12:14PM
what size pump does a 4020 have?
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Re: IH roosa master pumps July 18, 2010 12:32PM
firing order is set by how lines are bent, not anything to do with pump, except where #1 is. I have never seen an inline 6 with a firing order different than 1-5-3-6-2-4, except Deutz, only because #1 is rear of engine. 4020 pump is .330. I have never seen a 5020 with .390, all I've seen are .370, but some minni's used the .390. What are you intending to do with the tractor? Buddy of mine just took his .370 pulling pump off his 806, to put one of my DC pumps on to try out. I'll see if he wants to sell the .370 pump.
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Re: IH roosa master pumps July 18, 2010 01:00PM
i have a 560 with a D301 and a turbo, it currently has the 310 pump on it, it needs more fuel.
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Re: IH roosa master pumps July 18, 2010 01:05PM
my buddy's modified 370 would really wake your tractor up. I'll talk to him tomorrow. your number is on the wanted pages right?
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Re: IH roosa master pumps July 18, 2010 02:09PM
yes it is
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Re: IH roosa master pumps July 18, 2010 04:24PM
their is a angled screw with a lock not on the out side of my pump, what does this screw do?
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Re: IH roosa master pumps July 18, 2010 11:38PM
torque screw. if yours is set up for pulling, its probably backed out already.
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Re: IH roosa master pumps July 19, 2010 12:24AM
what does the torque screw do?
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Re: IH roosa master pumps July 19, 2010 12:47AM
It is also called the smoke screw. It gives it more fuel.
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Re: IH roosa master pumps July 19, 2010 02:02AM
it allows some external adjustment of fuel output if the roller dimension is turned up, otherwise just plugs the hole.
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Re: IH roosa master pumps July 19, 2010 09:12AM
what size pump did the 1456 come with?
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Re: IH roosa master pumps July 19, 2010 09:31AM
DC pump spline drive, 4 plunger .270 stock in 1456. DC pumps are getting hard to come by. plus driveshaft.
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Re: IH roosa master pumps July 19, 2010 09:48AM
do you have a phone number i could call you at? ive got more questions.
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Re: IH roosa master pumps July 19, 2010 11:09AM
call hypermax
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Re: IH roosa master pumps July 19, 2010 12:44PM
email me ed64drag@lycos.com
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Re: IH roosa master pumps July 19, 2010 02:51PM
Yes,the 4 roller Roosa-Master pumps are getting real hard to come by.Only 1456's and 220 AC's used them. I put a 2 roller on my 1456. I might consider selling my 4 roller pump shaft.
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Re: IH roosa master pumps July 19, 2010 03:11PM
White 2-135 and 2-155 tractors also used the four plunger pump.
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Re: IH roosa master pumps July 20, 2010 12:55PM
the 2-135/2-155 used 4 roller pumps, but they are DM's. DC .310 pumps were used on AC D21/210/220, IH .270 1456/early 915 with HD-DT407, some DT429's like 4156, and other industrial. JD 4620/7020, also used the smallest DC at .250". your little engine would wake up with just a hopped up .370 DB, unfortunately my buddy is out of state all week, so I can't get ahold of him for you. farmallford, are you listening?
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Re: IH roosa master pumps March 15, 2015 09:08AM
I was wondering how to turm more fuel to our John Deere 5020 ?????,
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Re: IH roosa master pumps March 18, 2015 01:15PM
I have several .450 and .500 roosa's they will light that 560 up if you are interested. The .370s and the .390s are not even close to running as hard as a .450 If you want fuel and lots of smoke and still want to run a roosa this is the way to go.
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Re: IH roosa master pumps March 24, 2019 12:55AM
Will the 450 pump bolt onto a int 806 with a D361 engine and how much for the pump
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Re: IH roosa master pumps June 24, 2019 08:39AM
Interested is a .450 if you still have one
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Re: IH roosa master pumps March 24, 2019 02:42PM
I would recommend injumped to anyone looking for roosa-master work. Know of several of his pump and injector setups, all are impressive. Put a .370 head pump
(Stock head)On a 856, makes easy 245 hp and pulls like freight train for speed limit classes. Very pleased with his work.

Ps. Ed you have my address for commission checks!! Lmao
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Re: IH roosa master pumps March 24, 2019 09:45PM
How do you get a hold of him ( phone number )
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Re: IH roosa master pumps March 25, 2019 12:49AM
Thanks Lance, but I'm too far backed up for this season I'm afraid.
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Re: IH roosa master pumps March 27, 2019 07:58AM
what is better 2 or 4 roller
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Re: IH roosa master pumps July 04, 2019 04:56AM
An older guy told me that you want the heavy weights in governor to have quick rpm response. I would think light would be better??
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