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Case Tractors Discussion Forum
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4 5/8 bore 730 engine

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Jim McVay

04-09-2007 05:37:41




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I have a 730 diesel that I want to go to a 336 and I will need to put 4 5/8" sleeves out of a 70 or 90 series in it. How easy is it for the block to be bored to fit those sleeves. I hear that there is a moline piston that will work and have the flat top that is needed. What piston is it and do you have to modify it or the rods to make them work?




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530puller

04-09-2007 15:05:00




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 Re: 4 5/8 bore 730 engine in reply to Jim McVay, 04-09-2007 05:37:41  
I am trying to do the same thing to and 830 gas and I want it to be a 336 gas for pulling. You use Moline G 1000 pistons. I'm not sure what rods to use on a 730 though. Maybe someone else knows. When you get it done post me back and tell me what it takes.



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Jim McVay

04-13-2007 15:00:45




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 Re: 4 5/8 bore 730 engine in reply to 530puller, 04-09-2007 15:05:00  
I found out that you'll need diesel moline pistons and 830 rods. 830 would help because they have bigger valves.



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