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Ruby

Refers to 1993 Anniversary Editions.

These are the actual cars honored as anniversary cars. They have RPO Z25 to prove it....

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Re: My LT1 rebuild

Subject: Re: My LT1 rebuild
by rklessdriver on 2011/11/27 22:08:52

Quote:

bam wrote:
I used LT4 springs, I know they are marginal at best with stock LT1 valves (heaver than LT4 valves). I think I was getting to valve/lifter float at 6x rpm plus. I am rebuilding my motor right now, new pistons, rings, bored .030, new lifters (probably GM LS6 type) and I am thinking of Trick Flow 185 heads. Any thoughts.

I would not spend money on the TFS 185 head. For some reason OTB they just don't impress.

There are a number of ported factory castings that are better HP producers.

If you want the TFS casting buy the 195 with the 55cc chamber. On a 355 turing 6200RPM you'll be alot happier with the performance.
Will

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