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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Re: 310 oliver gas lower end

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01-22-2013 15:46:14

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I think 4.310 is about the max and still run water... How many rpms are you thinking of turning? Remember the cam is the weakest!

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01-22-2013 16:16:28

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 Re: 310 oliver gas lower end in reply to 6pack, 01-22-2013 15:46:14  
3800 - 4200 rpm I want it to hold toghter. Do I have to worry about the bottom end?

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01-22-2013 18:42:49

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 Re: 310 oliver gas lower end in reply to PCH, 01-22-2013 16:16:28  
the first thing you need at those rpm's is a steel flywheel and ppa assembly, ever saw the aftermath of a flywheel explosion? I have!

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01-22-2013 16:38:37

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 Re: 310 oliver gas lower end in reply to PCH, 01-22-2013 16:16:28  
YES!! I would suggest billet rods with only an offset grind, GOOD pistons, valve train, billet cam if you have an extra $1k, billet flywheel.... Just to start.... Not a cheap build...

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01-22-2013 16:55:34

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 Re: 310 oliver gas lower end in reply to 6pack, 01-22-2013 16:38:37  
What kind of horsepower can I get

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01-22-2013 17:28:35

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 Re: 310 oliver gas lower end in reply to PCH, 01-22-2013 16:55:34  
i would hate to even guess, @ 2200rpm 425 ci would give around 140hp, if you did a cross flow head and some head work... I know of a 310 that has been hard blocked and a little stroke to it, it has a cross flow head, fuel injection, but the timing gear on cam twisted off.... That would get you some good parts, but you really need a billet cam, or it will break again...
Email me and I will give you his #.

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