Here are some calculators that might help

[buicksstage1]

Here are some links to good speed, HP, MPH, ET, compression etc calculators.
http://www.race-cars.net/calculators/compression_calculator.html
http://members.uia.net/pkelley2/DynamicCR.html
http://www.rbracing-rsr.com/compstaticcalc.html
http://www.wallaceracing.com/Calculators.htm
I hope these help.Chris