thats just not true
its based on mph run and weight of the car for stock engines and its up to date
there is a reason 340 and 360 abodys hold 99.9% of the records
show me a stock 383 b body winning anything they dont
show me a 383 a body winning anything they dont
340 and later 360s hold a **** load records
It amazes me on an A-body mopar site folks dont know whats the best setup for class races