Looking for DYNO results on a stock 1969 L78

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**markjohnson** · #1 04-10-2010, 05:40 AM

I've got an old magazine with a feature of an NHRA Stock Eliminator LS-6 Chevelle and I was quite surprised to hear them say that back-to-back the '569' pancake was about the same as the '163' high-rise manifold. Now this was with stock camshaft specs and they stated that with a more radical cam and a higher RPM range that the '163' would probably surpass it.

**TXSS** · #2 04-11-2010, 05:36 AM

The stock built L78 in my Pace Car dynoed in the 380's through headers, no smog, no special tuning or jetting.

My stock L72 427, same deal dynoed at 436hp @ 5900 440 tq @ 4100

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