.035
0.035
.045
valve cover gasket
spark plug gap is .045 unless specified different by spark plug manufaturer.
On my 1992 350 van it's .35 gap
1969 GMC Truck C1500 1/2ton P/U 2WD 5.7L 2BL OHV 8cylThe Spark Plug Gap.035 (In thousandths of an inch 1969 GMC Truck C1500 1/2ton P/U 2WD 5.7L 4BL OHV 8cylThe Spark Plug Gap.035 (In thousandths of an inch)
According to one of the Ford websites : For a 1992 Ford E-350 , 5.8 liter / 351 cubic inch V8 engine : ( the spark plugs are gapped at .044 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.
AnswerThe spark plug gap is .035 on a 1993 GMC 350 TBI.
A/C spark plug is---R44T and the gap is 0.035
We have no way to show any diagrams or pictures. Sorry.
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.