Friend of mine just put this in his in his 496 with CNC'd eddy's and ported victor and 1050 dominator street car and he loves it. uses 1.6 hughes rockesr for .700 lift uses Iski gold springs.
http://www.summitracing.com/parts/cca-23-707-9/overview/make/chryslerMechanical roller tappet
Basic Operating RPM Range:4,400-7,000
Intake Duration at 050 inch Lift:275
Exhaust Duration at 050 inch Lift:285
Duration at 050 inch Lift:275 int./285 exh.
Advertised Intake Duration:308
Advertised Exhaust Duration:315
Advertised Duration:308 int./315 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.657 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.659 in.
Valve Lift with Factory Rocker Arm Ratio:0.657 int./0.659 exh.
Lobe Separation (degrees):108
Camshaft Gear Attachment:3-bolt
replaced a 270/274 @ .050 110 LSA cam
4100 lb car with 4400 stall and 4.10 gears says noticeable hp improvements but no track time as yet!
on my old 542 I used a scott brown 274/282 112 LSA .715/.702 lift with 1.6 worked good will use it in my 542 aluminum block when i get the internals. could use a we bit more I think. Old stock block went 10.11 @ 132.32 in a real stiff cross wind @ 3700 lb.
