The 1992 Chevrolet Camaro Z28 as equipped with the 5.7L (350 cid) engine's spark plug gap is dependent on street versus racing use and the plug material. Modern replacement plugs are all pre-gapped from the factory for this application. Budget AC Delco part #R45TS copper is set at .035-inches. Mid-grade AC Delco Professional Platinum #2 is .045-inches. Premium Denso Iridium Power #5303 is .044-inches.
Caca
.050 95 Z28 only came with 5.7 LT1 motor.
could be a bad spark plug or bad plug wire.
Use any platinum plug brands really don't matter
Is this a Factory LT1? In your 1992 Z28?
It is on the drivers side front, closet to the radiator( the first spark plug).
should be the same thing.
The L98 5.7 TPI 1992 Camaro Z28 Completes 0-60 In 5.7 Seconds
The L98 5.7 TPI 1992 Camaro Z28 Completes 1/4 mile in 14.7 Seconds
Bad spark plug or wire? Bad Valve or piston? (do a compression test)
.42-.45 might also try going to autozone or napa. they will tell you.
so far i have found the split fires to work good