1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Feb 2, 2011 | 04:04 PM

#1

southern hunter56

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Joined: Aug 2010

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gap

Hey Guys 1992 f150 with 5.0 I put in copper core plugs and gapped them at 0.044 is this correct when I go to replace the plugs the computer shows short thread and my engine will only take the long thread, does anyone know the correct plug to install

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Feb 2, 2011 | 04:07 PM

#2

socalwrench

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I'm not sure of the exact plug number. Any Napa store should be able to get it- try their online source too. The plug gap for most HEI type of ignitions is .044" to .045".

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Feb 2, 2011 | 05:07 PM

#3

rla2005

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Joined: Oct 2005

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From: Kentucky

Motorcraft SP450 or Autolite 25 should work.

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