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#15
06-21-2026, 12:21 AM
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"To calculate the true CD at the above listed flanges, one would need to know what the corner radius are"
Good point and one often overlooked. I'm guilty of just doing height x width when figureing a port area. Similar situation as forgetting the ring area when calculating a compression ratio. Often overlooked. That tiny, hidden space between the top piston ring, the cylinder wall, and the top of the piston. Thanks Stan. .
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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 |
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