Quote:
Originally Posted by L78toLT1
Hey Shiny, not trying to hijack your thread but you mentioned that the LT4 head gaskets are thicker. Do you happen to know how thick they are? I seem to recall the LT1’s are .051. The reason I ask is because during my build I had to remove ~.015 from my block to clean up a small imperfection. Since I’m also running the GPI piston/rod kit and didn’t want to increase the compression above 11.5:1, I picked up some custom .071 gaskets from Cometic. The next time I have the heads off, it would be great if I could run the LT4 gaskets as the Cometics cost around $250.
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I can not remember the exact thickness now, but as my calculation, it can make 11.1~11.2 : 1 CR from 11.5 : 1 with lt1 gasket.