The gap for the plugs you are using should be set at 0.45 that's if you have the hei distibutor if not you must set them at 0.35. good luck
Spark Plug (ACDelco R45TS) [Gap @ .035” for points distributor, .045” for HEI distributor]
Spark plug gap for a 1977 Corvette using ACDelco R45TS is .035
You should use the R45TS spark plug on a 1992 RS Camaro.
Factory plug TYPE is R45Ts plug. Gap is 0.045
ACDelco R45S conventional spark plugs for an original ignition system.
That car didn't come with a 350. The V8 available for that Monte Carlo was the 305 which took the ACDelco R43TS spark plug.
A/C plug # R45TS and it gaps at 0.045 That is the factory plug.
ACDelco #41-601 conventional spark plug gap .060"
Platinums are gapped at 0.60, and iridiums are typically gapped at 0.40... you shouldn't try to change the preset gaps.
R45TS
AcDelco platinum plug it is already pre gapped to .060 so there is no need to gap them if you have the 4.3 engine. DO NOT USE BOSCH
ACDelco conventional spark plug 41-601, .060