Re: Dwell and Timing
You will probably want to have the advance curve set up for best performance. The factory curve, timing, and jetting had emissions in mind for sure. Our 427 had #68 jets in the primaries and had a lean surge at 60 mph. A good tuneup on a dyno is money well spent.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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