[IrateN8]

I've had my motor running for awhile now wiht just a few tuning problems to fix, but I had a question thats been bugging me. I guy that used to work at Mallory told me I need to re-curve (change springs) in my Summit HEI in order for the Vortec heads to run right... Is this true? Which springs do I need? And most importantly, what does the Dist. curving have to do with the heads? Thanks for all replies.....

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CoolAid
'70 Malibu L-31

 

[John_Muha]

Anybody know this one?

 

[chev64]

I think that it has to do with the combustion chamber size, the Vortec heads have a 64cc combustion chamber which is smaller than most small block chevys. Perhaps you should post this in the Performance forum and see what those guys say there.

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Leo Paugh
Maryland Chevelle Club #017
A.C.E.S.#3731
there is only one way to fail, and thats to quit.
Maryland Chevelle Club