If you are referring to firing order than it is
1-8-4-3-6-6-7-2 clockwise
The firing order is 18436572.
The 1986 Chevrolet 350 cubic inch engine spark plug gap is .027. Most spark plugs will be pre-gapped by the spark plug manufacturer.
AnswerThe spark plug gap is .035 on a 1993 GMC 350 TBI.
A/C spark plug is---R44T and the gap is 0.035
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.
The spark plug gap for an AR135 spark plug on a 350 SBC should be set at .034 inches. This is equal to .86 mm so a spark plug set to .9 mm should work correctly.
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.
Spark plug gap should be .060
The spark plug gap for this kind of ATV is .035.
The 1991 350 cubic and Chevrolet engine spark plug gap is .027. Most spark plugs will come pre-gapped from the manufacturer.
18436572
The same as on the intake 18436572 clockwise.