12876, 4G63 N/T pistons on a 4G63T engine Posted by 1BAD90GS, Dec-31-69 06:00 PM
I just finish rebuilding my friends engine 4G63 and I used 4G63 n/t pistons because the have a higher compression 9.0:1 ratio which means less turbo lag. After we took it for a spin we noticed that the turbo kicked in much faster. The stock pistons have 7.8:1. And my friends engine is still running 12 psi. Good results
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