I replaced the plugs in my 1990 GMC 4x4 (350 cid) recently and was told that the gap should be .035". I thought that sounded low... can anyone verify?
Tom
I replaced the plugs in my 1990 GMC 4x4 (350 cid) recently and was told that the gap should be .035". I thought that sounded low... can anyone verify?
Tom
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