Forced Induction - help me with c/r for my fi set up
12-15-2007, 06:39 PM
i have prc 2.5 5.3ltr heads....think they are 62or 64cc heads......stock lq4 pistons.....using a t/4 sts kit.....
i know felpro arent the best gaskets buy i have used them in past......i have a set laying around that are the stock thinkness....can i use them??
or do i/ should i spend the money on cometic thin gaskets
5-8psi what is your imput/exerience
12-16-2007, 01:21 AM
I would run the stock gm mls gasket, many people here use it with a whole lot of boost including myself with no issues, and there really cheap
12-16-2007, 01:22 AM
i like 9.5/1 for compression, keeps the cars street manners just like stock, plus you will make more power
12-16-2007, 01:53 PM
so with stock thickness gaskets....will i achieve 9.5.1???? with my set up
12-21-2007, 08:18 PM
still need to know the thikness of new gaskets....
any ideas or refrences
12-21-2007, 09:03 PM
The head gaskets in a Felpro head set (HS26190PT-1) for an LS1 are the 'exact' same as GM gaskets. Felpro doesn't make the OE replacement, they source it from the supplier GM uses because they don't make it either. Too damn cheap to buy opposed to buying tooling to build it.
Felpro manufacturers their High Performance Gen III/IV gaskets, nothing wrong with them at all, work excellent! Most people on this site who have problems with failing them are due to other underlying issues. They just like to point the finger of blame on the part that "failed", I have read posts like these at least a dozen times and went on to read other posts from the same person and it was easy to realize they were not engine builders or pro installers/tuning shops, and really didn't no what they were doing in the first place. Same for goes for Cometic and even stock GM gaskets. Take what you read on the internet with a grain of salt, you have to read between the lines.:devil:
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