what should the gap be on my '91 c1500 305. I've tried to research it and couldn't find a thing.

Asked by Apr 23, 2015 at 06:32 PM about the 1991 Chevrolet C/K 1500 Standard Cab LB

Question type: Maintenance & Repair

I'm trying to change the spark plugs on my '91 c1500 305 for the first time and im not sure
what the gap should be at.

3 Answers

26,055

5.0L & 5.7L = .035 but what does the sticker say under the hood !

2 of 2 people found this helpful.
Best Answer
15

5.0 and the 5.7 is .045 have a 94 Suburban 5.7

the sticker under the hood was gone when i bought the truck.

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