This might be of interest:
http://www.luhnperformance.com/pontiac.html
A fwiw, I was recently told of a issue with a modified oil pump sold by Butler. And it was discussed with and confirmed by someone at Butler Performance.
I do not have specifics if it was their Pro pump model.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE