1990 Ford F-150 Spark Plug

Tiny
LBHARRELSON
  • MEMBER
  • 1990 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
What is the correct plug gap for this truck? The label on the vehicle states 44-46 but the parts clerk says the gap is 54.
Sunday, August 31st, 2008 AT 4:47 PM

1 Reply

Tiny
BLACKOUTFORD
  • MEMBER
  • 5 POSTS
If your engine is stock and the the label matches the truck model year and engine, trust the label. If you need more confirmation check your owners manual or repair manual. Most spark plugs come pre-gapped and won't be far off in gap anyway. The clerk may or may not know what he/she is talking about.
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Monday, September 1st, 2008 AT 1:48 AM

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