Here this 488-inch 4.5" stroke Pontiac made peak torque at 4100 RPM and peak power at 5500 RPM. The spread between the two was 1400 RPM.
592 hp and 625 lb-ft of Torque.
https://www.motortrend.com/how-to/48...e1B6OEcjx2OCD4
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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