You don't need that much compression or that much lift.
However a better cam would REALLY help you out, even with the heads you have now. I would highly suggest a cam swap. You can do it with the motor in the car.
Don't waste your money on a set of heads that aren't much better than the heads you have now. I really think you'd only pick up a few tenths by switching to Performer RPM's.
Swap in a good cam and throw on those Vic Jr's.
-Josh, aka the tireburner
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1987 Buick T-type
1998 HD Electra Elide
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