4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

last question about spark plugs

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Old 02-19-2006, 05:59 PM
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Quickshift_02GT
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Default RE: last question about spark plugs

I say leave them at the "pre-gapped" gap.

I think I've read enough warnings on damaging them to not do it.




Let me know how those Iridium's work out for you, I'm interested in the difference between the NGK-TR55's and the iridium versions (TR55IX)
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