Cam specifications

[Bob I.]

Spec's for a 1970 350/350 hp cam

[Joe L.]

Re: Cam specifications

Bob----

GM #3896962

duration @ .050" tappet lift= 222 degrees (same for intake and exhaust)

lift w 1.5:1 rocker ratio= intake= 0.450"; exhaust= 0.460"

lobe centerline= 114 degrees

The same cam was used for 1969-70 L-46 and all 1983-80 L-82.

[Clem Z.]

timing specs

at .050 lift, intake -3 open,47 close, exhaust 46 open,-2 close