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What is the spark plug gap setting for this bike please?

GMC Sonoma spark plug gap?

  • I have a 1998 gmc sonoma 4.3 V6. My manual says to gap it to 0.045 but autozone says to gap it to 0.060. Does the gap vary by plug brands or should I just gap it to what the manual says? I bought NGK platinum plugs. I have heard that these plugs are the same as acdelco. The plugs that I took out were autolites and were gaped to 0.065 and they were fouled and was also running awful. Please help I am working on it right now as I type. LOL. I put it in the Chevrolet category since the Sonoma is the same as the s10.

  • Answer:

    Tyler the factory spark plug gap on the 1998 sonoma with the 4.3 liter SFI engine is .060 (In thousandths of an inch) Great job getting the autolite plugs out.These plugs do a poor job in any GM engine.The NGK platinum plugs will work well and last a long time with no problems.The factory plug gap never verys useing different spark plugs.Best of luck.

Tyler at Yahoo! Answers Visit the source

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It does vary by plug brands! I found this out last week when I changed my plugs and gapped them to what the owners manual said to use, then had to regap back down when my engine started misfiring. I would try and call the manufacturer of the plugs, or talk to the guys at Autozone. To be safe, go with the lower of the two gaps and if you are getting a misfire, regap to what the manual says.

swickstrum

Call a chevy dealer and ask. I have a vehicle that is a standard a 1994 and it called either for transmission fluid or gear oil for the same year of vehicle. The guys at the parts store didn't know this but the people at the dealer told me to remove the drain plug on the tranny to find out.

Howdy

do what the manual says

arnold

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