Re: Cam oiling vs. flat cams
The problem is not top end oiling but rather the amount of splash that the cam gets. With the standard springs things are ok. The L78 and L72 motors weren't running enough spring pressure for the rpm they were capable of but the cam would last a long time. Not enough spring pressure is probably the number one reason that so many of them dropped valves and ruined the block and heads. At the least this setup would be cheap insurance and at the worst it can't hurt anything when using heavier springs.
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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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