So I’m trying to put the 6.2L v8 into the classic 1970 challenger, and at it’s current state, it’s topping out at 140 mph. With 790 horse power. What am I doing wrong and how can I fix it?
tune the gear ratio higher 
So I’m trying to put the 6.2L v8 into the classic 1970 challenger, and at it’s current state, it’s topping out at 140 mph. With 790 horse power. What am I doing wrong and how can I fix it?
tune the gear ratio higher