Assuming you are running a point type distributor a Pontiac typically likes 12-14 degrees initial advance. This is also a good starting point for HEI.
The gap is .035"
9 btdc
If it is a Pontiac 350, any hei distributor out of any size Pontiac motor up to 1979 will work.
trying to set base timing on a 97 Chevy c1500 with a 5.7 engine the wire to disconnect to set base timing is ?
there was no 350 in the camaros in 83 just 305 and v6
1970 Pontiac catalina coupe and sedan had a standard 350 255 horsepower the 400 was optional rated at 265 horsepower
1970. While the 350 was never the base engine for the Chevelle, 2 and 4 barrel versions of the 350 were available in the Chevelle from 1970-1977.
10 to 12 degrees btdc
Pontiacs typically like 12-14 degrees initial timing. It's a good starting point.
hyd.350 turbo tranny and a 1979 buick regal has these
whole front cover needs to come off, like a small block ford,
base timing without EST hooked up is 0 degrees BTDC New answer; The timing is not adjustable, It is controlled by the computer.