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Old 07-18-2018, 12:58 PM   #1
AlloyPony
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Lug nuts

Are the lug nuts unique to the Mach 1? I bought some FR500 wheels and the lug nuts (1/2 x 20 with 6-spline socket) that I bought from the local auto parts store won't work. They run out of thread before they tighten down on the wheel. I compared them to the factory OE lug nuts and the OE ones are much longer to accommodate the longer wheel studs.

I reordered some from American Muscle, but the tech specs list them at 1.3" long which seems like it'll be about the same length as the auto parts store ones I bought that won't work. I'm wondering if I should cancel my order.
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2003 Mach 1 - TR3650 - Mac O/R H-pipe - Ford Racing driveshaft - Modified air intake - Nitto Motivo 315/35s on 10.5" FR500 wheels - Steeda clutch adjuster
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Old 07-19-2018, 12:49 PM   #2
WalkrTexasRngr
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I'm running the spline lug nuts from LMR I think in the front and open ended splines on the rear for my arp studs. I'm pretty sure all years are the same.

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Old 07-22-2018, 05:11 PM   #3
AlloyPony
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Re: Lug nuts

I ended up getting a set from American Muscle that are 1.4" long and they fit...just barely...but they fit.
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Old 07-22-2018, 06:50 PM   #4
mikeracing
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Re: Lug nuts

Check with mcgard lugnuts different styles and lifetime guarenteed for rust on the chrome
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