Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, How do you up compression on an LY7? in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Are the pistons below deck on an LY7? Can we just zero-deck the block? Will shaving the block/heads cause valve-piston ...
- 10-03-13 10:40 PM #1
How do you up compression on an LY7?
Are the pistons below deck on an LY7? Can we just zero-deck the block?
Will shaving the block/heads cause valve-piston contact?
Not looking for anything too major, just 11.5:1 to compliment a 91-octane tune.
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