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Minneapolis Moline Tractors Discussion Forum
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Heads for M602

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mrp

10-01-2006 19:05:49




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I am just starting out tractor pullin, have a M602, it has 4210 heads; I have a chance to put a pair of 4232 heads on it, or 4207 heads. The 4232's are on a M670 which is 10 hp bigger than the 602, the 4207 heads are on a M5, can't find where these were ever intended for a 336 ci engine, have the stats on chamber volume and compression and such, but not really comparing apples to apples without the same info on 4207 heads on a 336 engine.... any input????? ?

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Captainhookerus

10-02-2006 16:30:26




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 Re: Heads for M602 in reply to mrp, 10-01-2006 19:05:49  
Buy the 4232's and sell your 4210's. Someone on this forum will buy them from you. I would guess this tractor is on LPG. 4210's are 8 to 1 compression and the 4232's will get you to 9 to 1.
4232's are what you want. Just do it, GET-ER DONE!!!!



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mrp

10-02-2006 16:50:16




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 Re: Heads for M602 in reply to Captainhookerus, 10-02-2006 16:30:26  
I hear ya, but the 4207's show 7.3 cubic inches volume in head whereas the 4232's show 9.31... wouldn't that have a greater effect on compression pressure? Or too much do ya think??



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