Generation IV Internal Engine - stock lq9 with 317 heads
08-05-2012, 09:16 AM
I assume the compression is stock 10to1
what head gasket thickness is stock?
If I put on ls9 head gaskets what will the compression drop down to be?
08-06-2012, 04:10 AM
.051 stock thickness. I believe the ls9 gaskets are the same. Not sure on bore. Your compression will not drop much.
08-06-2012, 09:10 AM
thanks, so How can I drop the CR to a max of 9.5?
08-06-2012, 09:33 AM
Have the chambers enlarged or install boost pistons.
08-06-2012, 09:34 AM
Or sell it, buy an lq4 and pocket the rest.
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