28 inch tire diameter
88 inch wheel rollout
5200 RPM (engine peak power)
1.00 final drive ratio
Rear gear ratio 4.01
0% torque converter slippage
Speed 108 MPH (trap speed )
https://www.markwilliams.com/gearratiocalculator.html
Discussion... going thru the traps at engine peak power rpm is up to debate.
( Information provided in this post does not represent any endorsement. And unless specified it is not based on personal experience and is offered for general interest only )
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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