it tells you under the hood on top of the grille.
.35
0.040
Could be a faulty spark plug or spark plug wire.
The spark plug gap for a 1991 Chevy Silverado 2500 V8-350 is .035, according to major spark plug manufacturers (i.e. Autolite, Bosch, Denso, NGK).
which plug? oil, coolant, vacuum, hydrolic, or spark?
.60
Champion RC12LYC .035 gap
.035 in a 1989 k 2500 truck.
The spark plug gap for a GM vortec V6 is .060
Depending on the type of plug, the gap for a 1990 Chevy 2500 pickup is between .045 and .060. The plugs should come pre gapped.
5.7l & 7.4 = .60
the gap is 0.060 inches