Even the .484 cam is HUGE in a stock 383... (I tried it)FWIW I'd sell that .509.. For some reason people still go for the old MP grinds and they resell pretty easy! Or do some horse trading for something better suited... Voodoo 60301 or the mentioned Summit cam both should get by with your springs

Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk


1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD

R70RUNNER<---VP Inland Empire Chapter of the MPM