M mmbeer New Member Jan 18, 2011 #1 hey can anyone tell me if the difference in early / later model compression ratios is just in the piston shape ? cheers
hey can anyone tell me if the difference in early / later model compression ratios is just in the piston shape ? cheers
XR8tt Active Member Jan 20, 2011 #2 From my head with out looking it up... 10 to 1 with early 1UZ... 10.5 with latter model motors.. Another reason the early engine's can take a sizable boost when blown..
From my head with out looking it up... 10 to 1 with early 1UZ... 10.5 with latter model motors.. Another reason the early engine's can take a sizable boost when blown..
