Toyota MR2 Message Board - View Single Post - About ot get a 92 with an engine knock, what to replace it with? another 5S? or 3S?

Mark_Dorman · 07-16-2008, 01:08 PM

The 5s is 9.5:1. I'm pretty sure the 3sge has a compression ratio of 10.3:1 and the 3sgte is 8.5:1. The beams engine (4th gen 3sge) has a compression ratio of 11.0:1.

07-16-2008, 01:08 PM	#9 (permalink)
Mark_Dorman Meet & Eat 12.14.08!!! Join Date: Apr 2008 Location: San Clemente (The OC), CA Posts: 1,041 Thanks: 32 Thanked 10 Times in 9 Posts iTrader Rating: (5/100% )	The 5s is 9.5:1. I'm pretty sure the 3sge has a compression ratio of 10.3:1 and the 3sgte is 8.5:1. The beams engine (4th gen 3sge) has a compression ratio of 11.0:1.