Sounds like you are shooting in the dark.
You need to understand where your rear suspension Instant Center is with respect to the center of gravity of the car. I recommend finding an Alston Chassis manual or Dave Morgan's doorslammer book and doing some more reading.
This may bring some naysayers out of the wood work but pinion angle has nothing to do with 60' times. It can't - based on the physics of the rear suspension. It can only pass or hinder the transmission of torque through the driveline.
My $0.03.
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 original mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.85 @ 136 mph best http://www.superchevy.com/features/s...hevy-chevelle/
My Pontiac Story: http://forums.maxperformanceinc.com/...d.php?t=560524
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