Wallace calc, but only 1 of them, been using it for years, has been pretty accurate for my old cars and others....Moroso chart differs, less hp etc.

http://www.wallaceracing.com/accel-calc.php

Input weight and then adjust hp no.

Last edited by rb446; 07/27/18 10:57 AM.
1969 'Cuda 446ci, best 9.96@133.9 in 1990
1971 340 'Cuda, best 11.01@122.8 in 1987