I just put a 92 350 truck motor in my 71 C-10 and am running all the original accessories including the points setup and coil,,,any body know what spark plugs I need to run? thanks jim
Aren't R44 plugs flat seat plugs with gaskets? 1992 heads use the taper seat plugs. I think the '71 heads also used tapered seat plugs.
Might consider a cam swap from the TBI unit to one for a carb motor; as long as the plugs make a decent spark, it's not going to matter a lot, but the gap does need to match the points ignition.
Gapped @ .035. If the engine has alot of miles you're better off with a hotter plug. CR-45ts is what I run in my 400,000 mile '89 Chevy trk. Work great.