Originally Posted by Cab_Burge
Are you limited on the intake type and mods? How about the camshaft limits work Many ways to trick a motor into making more power, carb spacers, single plane intake, making the plenum bigger and so on work devil up


I have to use the factory cast iron intake. Internal mods are allowed and have been done. No spacers allowed. Using a custom solid flat tappet now, switching to a roller this off season. 👍🏽

Bill

1968 Road Runner 383 727 3.91 8 3/4 3520 with driver 11.04 @ 124.26 with 1.67 60’
Done on G70-14 redlines thru factory manifolds New quickest ever 383 build in FAST.
10:1 451” replaced with 14:1 499”.