On my 1992 350 van it's .35 gap
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).
According to the manufacturers specs on the emissions sticker it is .035.
A/C spark plug is---R44T and the gap is 0.035
The 1991 350 cubic and Chevrolet engine spark plug gap is .027. Most spark plugs will come pre-gapped from the manufacturer.
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.
AnswerThe spark plug gap is .035 on a 1993 GMC 350 TBI.
0.050
0.045
The proper spark plug gap for a 1980 Chevy 350 Pickup is .045, according to spark plug manufacturer (Autolite, Bosch, NGK) specs.
According to Champion spark plug applications chart, the correct gap for 1995 Chevy Tahoe 350 engine is .035
The Spark Plug Gap.060 (In thousandths of an inch)
typical spark plug gap for this engine is 0.035 inch