Pontiac - Boost Turbo, supercharged, Nitrous, EFI & other Power Adders discussed here.

          
 
 
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Old 02-24-2019, 02:43 PM
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performerrpm performerrpm is online now
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Default before i go changing pistons

just curious, my shortblock still isnt assembled but the parts were for a n/a build originally. but now i have the dyers 871 i wanna use so.


with my 310 72 cceheads and ross flat tops my 455 is 11.6ish cr which is less than ideal but i wonder, with pulleys to make 6 psi could i get away with it.

with e85 and a bug catcher converted to fast xfi and a good blower cam" solid roller" could it be done or should i figure on ordering a set of dish pistons to get back around the 9.1 mark?

 


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