Need Help on Magnum 360/380 hp Crate Motor Tech Info
Google "Steve Dulcich" Magnum 360-380 dyno tests.. The factory cam, gets about 6"-8" inches at idle, in drive.... I went, with a slightly smaller Howards Cams: 282/286 advertised, 110 lobe centers,229/233 at.050"... It gets 11 " of vacuum, with a 2800 stall..(Ma Mopar, recommended a 4779 750 double pumper, & 1 .75 primary headers.. I went with the E.Q. heads, (bare castings, 1.92,1.62 stainless steel valves... .. This is where, the real h.p. comes from, on a Magum build..Used Hughes 1110 springs, matching retainers.. & a custom length pushrod( valve train geometry, is big here.. Other wise, you lose valve train parts, very possibly... You need to check out "
www.Magnumswap.com).., or check out.."LXguy " members posts... Walker434 , is sharp here.. Rumblefish posts, are words of wisdom , here....