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Tractor Pulling Discussion Forum

Case 730/830

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SemoH

12-05-2007 17:17:36




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What can a guy do to these gas engines to compete in an open class. Like bore and stroke and what ever else can be done...Thanks




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casefarmer

12-07-2007 17:53:02




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 Re: Case 730/830 in reply to SemoH, 12-05-2007 17:17:36  
Bolt in a 504 case engine. Lazer cut the injectors, rev to 3000 rpm and get a 4 inch turbo,also inject water/ methanol. Should be around 500 horsepower for about $3000.



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mEl

12-06-2007 03:38:37




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 Re: Case 730/830 in reply to SemoH, 12-05-2007 17:17:36  
I have considered this project and have always come to the same conclusion, build a four and you will be doing battle with the sixes, a 5.125 X 7.5 will give you 618 cid with a 4 cyl, 928 cid with a six cyl. I have never done a 5.125 but that is the number I have heard batted around the Case circles and 7.5 stroke is comfortable from my converasations with other engine builders. If I were going to build I'd obviously do a six. mEl

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