I am ordering Autolite APP104 double platinum plugs for my 1994 B2300. They are pre-gapped = 0.05 in. The spec for my truck is 0.044 in.

Does this matter at all I just install them without adjusting the gap (since it is off by that little)? Please advise.

 

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The label from the front of the truck states the gap should be between 0.042 and 0.046 in. The spark plugs came and I measured them, the gap is 0.046 in. I guess I don't need to adjust it.

 

I have a question for everyone. The new plugs claim it should last 60K miles. For this particular engine, do the plugs for the intake and exhaust sides wear down equally?