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Minneapolis Moline Tractors Discussion Forum
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Re: build a pulling U

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Author  [Modern View]

07-21-2013 11:14:18

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What you can do depends on your bank account. It is possible to go near 700ci using stock jugs ; but requires a lot of machine shop work and "custom" built parts to get it to fit in the stock appearing engine. getting 400 plus inches the easiest is: 403 crank offset ground to 283 rod---custom piston with a pin setting to get correct height for short jug---336 jugs can be bored to 4.75 and more (336 jug is listed in M&W chart as big bore overbore for a U ) GOOD LUCK

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another moline puller

07-21-2013 16:33:10

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 Re: build a pulling U in reply to M-Mfan55, 07-21-2013 11:14:18  
Thanks for advise sounds like I need to start saving some green to do it right:}

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jd plowboy

07-21-2013 14:19:47

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 Re: build a pulling U in reply to M-Mfan55, 07-21-2013 11:14:18  
i dont think you can get 5.5 or 5.75 bore out of a stock U jug.i have heard of some being cut out and a sleeve welded in them but i wouldnt want to take that chance. you can get the casted juggs that look like the U jugs and get them machined for the big bore. that is 4 to 5 thousand i have heard when finished.

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