There is so much Horse Power and Tire Size with Gearing talk here I thought I would share these two sites with calculators.
Hope they help out if you don't already have them/
http://www.rosspistons.com/calculator.php
http://www.angelfire.com/fl/procrastination/rear.html
http://www.mortec.com/location.htm
http://users.erols.com/srweiss/tablehdc#chevy
http://www.angelfire.com/fl/procrastination/motor.html
http://www.jeeptech.com/convtrans/gm/gmsm465id.html
thank you
stano 87 K5
Hope they help out if you don't already have them/
http://www.rosspistons.com/calculator.php
http://www.angelfire.com/fl/procrastination/rear.html
http://www.mortec.com/location.htm
http://users.erols.com/srweiss/tablehdc#chevy
http://www.angelfire.com/fl/procrastination/motor.html
http://www.jeeptech.com/convtrans/gm/gmsm465id.html
thank you
stano 87 K5