R/B 413 Super Stock Valiant Signet Project

oh. i see. this is all new to me. thanks for the info. if i did the swap, i would be looking for a push button 727 so i could keep my push buttons. :-D do you think keeping an automatic would make more room or less for the exhaust. oh im also running manual steering and brakes.
oh and on the mounts. schumaker makes a kit to put an RB in an early A