spark plug gap

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11-27-2008, 10:25 PM

q8stang

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spark plug gap

i have a stock 1990 mustang gt and i want to know what is the propper gap for it i was told .54 and .50 but i would like to make sure what is the best gap to gap it thanks.

11-27-2008, 11:02 PM

jtmustang

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yep somewhere right in there..

11-27-2008, 11:45 PM

cleanfitty

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.054 should be factory

11-28-2008, 07:17 AM

Timspony

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0.054 correct for that year 5L Mustang, but I always gapped mine at 0.050 on stock applications...

11-28-2008, 07:34 AM

mustangsneverdie

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could you lose power if their gapped smaller idk like .035

11-28-2008, 04:44 PM

q8stang

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^^
good question

11-28-2008, 05:21 PM

nacanitihs

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i would think so. u might not get the proper combustion in the cylinder. i always gap mine at .052

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