Compression Ratio on FI LFX - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

SmokiNstripes6913 · 08-20-2013, 03:43 PM

Just curious, what CR are the FI guys running? I would have to think the stock 11.5:1 would be too high.

GretchenGotGrowl · 08-20-2013, 04:08 PM

11.5 is probably fine to around 8psi or so. Above that you may have some issues. I'm running 10:1.

Sikoriko · 08-20-2013, 05:29 PM

Quote:

Originally Posted by GretchenGotGrowl

11.5 is probably fine to around 8psi or so. Above that you may have some issues. I'm running 10:1.

Any more boost with the stock comp ratio is a waste.

08-20-2013, 03:43 PM	#1
SmokiNstripes6913 Drives: 2013 Camaro 1LS Join Date: Jun 2013 Location: Lancaster PA Posts: 143 View My Garage	Compression Ratio on FI LFX Just curious, what CR are the FI guys running? I would have to think the stock 11.5:1 would be too high.

08-20-2013, 04:08 PM	#2
GretchenGotGrowl Drives: 11 F150 EB/13 Sonic RS/15 Z06 Join Date: Sep 2010 Location: Little Rock, AR Posts: 7,129 View My Garage	11.5 is probably fine to around 8psi or so. Above that you may have some issues. I'm running 10:1. __________________ New Ride -- 2015 Z06 2LZ (stock) -- Journal Old Ride -- 2012 Camaro 2LT/RS (647 RWHP & 726 RWTQ) -- Build Thread