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MM G 403 pistons

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Ethan Berry

09-19-2002 12:43:06




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I am going to build a 403 G gas engine for a pulling engine. I would like 4-3/4" (or more?) over bore pistons. How far over can I bore a G block? Welters Farm Supply in MO sells the pistons for a M5 block coversion to a G crank, but how about G pistons with the correct compression height for the tall 403 blocks? Where can I get some?




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moline puller

09-22-2002 19:22:25




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 Re: MM G 403 pistons in reply to Ethan Berry, 09-19-2002 12:43:06  
Everett brothers in OHIO, high prices but he has ross forged pistons 4.75 with the G pin height.



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dan swift

09-22-2002 16:43:35




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 Re: MM G 403 pistons in reply to Ethan Berry, 09-19-2002 12:43:06  
hi i'm looking for an exhaust manifold for a 403a power plant. if you can help please call tollfree 1 866 787 8423 thanks ,dan



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