Author: machine shop tom December 27, 2005 at 18:34:10 from 66.255.216.138
I have a customer who wants me to install 30 degree exhaust valves in his SBC heads (461 castings, the rules don't allow aftermarket heads). Personally, I think he has little, if anything, to gain by this. I have found that the only "guru" who touts this "secret" is David Vizard. (I personally don't think much of him). Has anybody had any experience with the 30 degree exhaust set-up?
Thanks,
tom
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