5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 04-27-2011, 10:39 PM
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killakane1427
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were do u gap plugs on a 1985 5.0 i got a mis fire got ford motorcraft plugs please help
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Old 04-27-2011, 10:42 PM
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killakane1427
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and what should the timing be set at
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Old 04-27-2011, 11:42 PM
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AdderMk2
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.048-.052

10° BTDC
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Old 04-28-2011, 12:19 AM
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nitrous_bob
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yeah what adder said... but a complete misfire wont be from timing or a bad gap.

check your wires, and firing order. did this come on all of a sudden ?? make sure all wires are "snapped" on the cap and plugs both
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Old 04-28-2011, 10:42 AM
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killakane1427
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i went thru all the firing orders got the rite one. but didnt gap the plugs would that mke it mis fire. but when i get on the gas hard she pulls. the mis fire is when iam driving slow
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