Using the 60302 in my 383.
Vacuum is 15"Hg so no worries with power brakes and it pulls good from 1500rpm.
Idle is very smooth once I got the timing and carb adjusted.


Like it a lot.

383B, 9.8:1, Lunati 60302(220/226@0.050 262/268Dur, 0.475"/0.494", Stealth heads, Performer manifold, QF SS-750-AN carb, 3.31Diff, A833 4-speed manual.