Well I have a ap1 with just over 124k on it . Im almost done peaceing together my turbo kit going for 700+ whp. I'm after the stock block world record in 1/4mile. So i ripped the head off for springs and retainers also valve job new guides and seals so my had is about new. The motor had great power when I pulled it. But should I go ahead and rebuild the bottom end just rings oil pump water pump rod and main bearings and micro polish the crank
Anyone's input would be great thanks

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Did you do a compression test before you took it apart?

 

210 on all

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I'm just worried with the fresh rebuilt head the bottom and will go faster

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I left mine after I did the head rebuild, been working just fine. If they are all at 210 i see to reason to do the bottom end imo

 

Ya there good I just thought cuz the miles yours is at what 70k???

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Leave it be, if it blows then build it lol.