Bad: so many different K frames, bellhousing patterns, engine mounts...the only time I envy a GM guy is when they take a 250 inline 6 and bolt a 454 to it. Too easy.

1979 Dodge Lil' Red Express - 360 rwhp, 13.2 @ 103mph
1968 Coronet: 318, 2.76, 15.2 @ 92mph! (SOLD)
1976 Valiant: 360, 3.90, 12.90 @ 106 (SOLD)
1989 Shelby CSX #500/500