.056 or .044 gap??
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Tuned
Joined: Jun 2003
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.056 or .044 gap??
I see in many places on this board that the spark plug gap for a 93 302 is .044...this is also in the Haynes manual. Under the hood on my truck there is a sticker saying it should be .056. Anybody gap it at .056, or is .044 it and this sticker is a mistake.
New User
Joined: Mar 2003
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I believe that the manual says that if the emissions sticker under the hood is different than the manual, you should go with the under hood sticker. In my case (92 - 302) it is the larger gap, so that is what I put in. The only problem for me was that I had a crossfire problem in the 7 and 8 cylinders, that I thought was a plug problem, (so I tried both gaps,) but was really the 7 & 8 wires having been routed too close together. Once I seperated them, the truck hasn't crossfired once, and the engine seems to run good with the larger gap plugs.
Eric.
92 F-150, Supercab, 4x4, 302, M5OD
Eric.
92 F-150, Supercab, 4x4, 302, M5OD
Post Fiend
Joined: Jun 2001
Posts: 5,228
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From: Running Springs CA
Chilton and Haynes manuals are often wrong about this. Always go by the sticker. My '74 (Duraspark I) E-100 would hardly run at all using the manual. I finally found the sticker, on the valve cover and hidden by dirt and oil, that had the correct gap. It ran fine after that.
Jim
Jim
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