.045
The 1989 Chevrolet 350 cubic inch engine spark plug gap is dependent upon the engine application. The most common spark plug gap for the Chevy 350 engine is .027.
35
.045
0.035 inches.
typical spark plug gap for this engine is 0.035 inch
The 1986 Chevrolet 350 cubic inch engine spark plug gap is .027. Most spark plugs will be pre-gapped by the spark plug manufacturer.
The 1991 350 cubic and Chevrolet engine spark plug gap is .027. Most spark plugs will come pre-gapped from the manufacturer.
The spark plug wires connect in the 7,3,5,1, 8, 6, 4, 2 order on the 350 motor for the Chevrolet Silverado made in 1990. This changes in the models built after 1990.
There is not spark plugs in a diesel engine.
According to Champion spark plug applications chart, the correct gap for 1995 Chevy Tahoe 350 engine is .035
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.