Rough numbers....
4.120 bore
3.750 stroke
6.625 rod
10.5 static compression ratio
IVC is 65.0 ° ABDC
No boost pressure/ sea level
Your dynamic compression ratio is 8.32:1
Rhetorical question... in using the calculator, does it make a difference if it's aluminium heads or iron heads ?
.
__________________
'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
Last edited by Steve C.; 06-02-2019 at 03:13 PM.
|