to U ! ..

So 'splain all that to me !! .... Ma Mopar has how many B-engines on-the-line in 1971 ? .. and has a diff 383 motor(other than cam and intake/carb) for a 2 or 4 bbl? .... huh ?

And from a guy who has been to Trenton engine .... please tell me the logic of all that ??