what should the gap be on my '91 c1500 305. I've tried to research it and couldn't find a thing.
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.
5.0L & 5.7L = .035 but what does the sticker say under the hood !
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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