Looks like you need a looser converter by looking at your 60ft . , then see what a trans brake would do, your ET is WAY better than what your 60ft shows.
The yellow line is the rpm The blue line is the throttle
This is how I launch off idle
Any thoughts on the converter ?
1970 Barracuda Convertible 1968 Satellite Street Strip car 1654.5 Mustang 1955 Land Rover