Cam and valve spring question
09-21-2012, 01:59 PM
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Cam and valve spring question Hi Fellas. I am building an aluminum 5.7 ls1 turbo motor, and am wondering if anybody has done this using the stock roller cam and valve springs. It is out of a 2000 ta. 8.7 to 1 c.r. 12 to 15 psi. any input is greatly appreciated.
09-21-2012, 02:55 PM
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I was going to go higher on the c.r. , but I am shooting for around 575 to 600 rwhp. I have been told that is about the limit of the aluminum block. I also wanted good cruise manners, and no race gas or meth inj. Plus, I already got my mahle , -16cc pistons. I can always add more boost, should i need it.
