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Re: difference between NT and Turbo Cams, and Pistons
The intake cams are the same for the turbo and NA versions but the exhaust cam is different. I belive the turbo has a slighly more aggressive exhaust cam. The NA has high compression pistons while the turbo has low compression pistons to save room for all that air flow the turbo brings in. The compression for a 4g63na is 9.2:1 and the 4g63t is 7.8:1. Hopefully that answers you question.
Beats the sh*t outta me why i have to do you research but im bored.
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1993 Eagle Talon ES (4g63NA)
14.6 @ 98 mph (110 octane race fuel)
-5 Speed Transmission (From a 4g67)
-Stage 2 Crane cams
-Ported and polished head
-Aggresive valve springs
-2.5" Custom made exhaust piping
-Custom header
-Gutted catalytic converter
-Bored 0.5mm
-Advanced ignition timing (CAS) aprox. 5 degrees (set @ ~10deg BTDC)
-2g valve lifters (Lifter noise returned, now it a true DSM)
-K&N w/modified air canister
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