I suggest you post details in the tech forum over at the Performance Years site.
https://forums.maxperformanceinc.com...play.php?f=436
They'll know for sure.
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.85 @ 136 mph best
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