Re: Best oil to use...
The stock L78 valve springs, especially after some miles, don't put much stress on the cam. You still need good breakin lube. These newer cams with their radical ramps and stiffer springs seem to be the ones having the problems. I'll still stick with Rotella T just for peace of mind.
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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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