the easy thing to do would buy the schumaker mounts for it to convert it from 440-Hemi. Thats what we did with a 69 coronet and are going to be doing with a 383 Road Runner. both with under body headers. show cars to boot.

79 Dodge Aspen
12.265 at 109.75 MPH

67 Satellite NSS/E
11.83 @ 110

1968 Plymouth Road Runner 472 Hemi

3 time MOPAR NATIONALS CHAMP '03 FWD and '06 & '09 Street.
'07, '10, '12 Mopar Nats runner-up Street.