compression change?
Thread Starter
TECH Apprentice
Joined: Jan 2002
Posts: 347
Likes: 0
From: Orlando
compression change? hey guys... what kind of compression can i get down to from 12:1 WITH AFR 225 heads.... currently have afr 205 heads unported... btw this is for a friend of mine looking to go turbo and is n/a right now.....
Thread Starter
TECH Apprentice
Joined: Jan 2002
Posts: 347
Likes: 0
From: Orlando
well how bout this is there a way to go from 12:1 to under 10:1 to run a turbo without changing pistons... what is on the car now is a forged 346 and afr 205 heads compression is 12:1 as stated... dont know what gasket etc...
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Thread Starter
TECH Apprentice
Joined: Jan 2002
Posts: 347
Likes: 0
From: Orlando
ill find out more and let you know... i think he has new rods and pistons not crank... must be domes, ill check. although builder said it was possible to switch to the 225 heads and run 12 psi... just trying to verify that... what would compression have to be for 12psi on 93 octane???
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Verdad Gallardo lunati's got a +12cc dome off the shelf piston which using stock deck height and gasket will give you ~12.1 CR. based off that using the 72cc 225 and a .060 gasket the lowest i get is 10.8 CR. i'd run a sub 9.5 CR for 12psi and pump gas myself.
