I'll stick my neck out and suggest the infamous "Roadpaver" hydraulic roller ( Comp lobe 3115B) with 246 degrees intake duration and .4000" lobe lift in conjunction with solid roller lifters won't do it, not 660-670 horsepower.
ET/MPH = HP
http://www.wallaceracing.com/et-hp-mph.php
Anybody out there with actual dyno numbers ?
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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