lug nut turns on the studs 3-3/4" enough ? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-15-2007, 02:52 PM
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lug nut turns on the studs 3-3/4" enough ?

I just purchased the hopster rims . My lugs nuts only catch 3 -3/4 turns ( 5/16" ) on a 5 lug 7/16 studs . Is this enough thread to be safe ?

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Old 02-15-2007, 03:14 PM
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Quote:
Originally Posted by Tonythefish
I just purchased the hopster rims . My lugs nuts only catch 3 -3/4 turns ( 5/16" ) on a 5 lug 7/16 studs . Is this enough thread to be safe ?
NO

The top stud thread should be to the top of the nut, minimum. In other words, your nuts must be full on the studs.

Sounds like you need longer studs.
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Old 02-15-2007, 03:20 PM
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I would send you home if I saw that on a race car..at least one full thread minimum visible above the lug nut is required to acheive full engagement of the nut to the stud..

Sam
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Old 02-15-2007, 03:31 PM
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Man NO...what are you thinking? Get some longer studs before you get hurt or hurt somebody.
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Old 02-15-2007, 04:50 PM
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I just cant understand why those hubs have such a short stud ... Thanks Will do
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Old 02-15-2007, 04:53 PM
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OK...Now, what are Hopster rims?
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Old 02-15-2007, 04:54 PM
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Your studs were probably just fine with the stock wheels but if the new ones have a thicker hub then we run out of room..

Sam
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Old 02-15-2007, 04:57 PM
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http://www.americanracing.com/wheels...hed&section=V#
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Old 02-17-2007, 08:09 AM
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Quote:
Originally Posted by Tonythefish
I just purchased the hopster rims . My lugs nuts only catch 3 -3/4 turns ( 5/16" ) on a 5 lug 7/16 studs . Is this enough thread to be safe ?
You need to use what are referred to as "extended thread" lugnuts. See picture below. They are designed to be used when the aftermarket rims are thicker than the original steel rims and are available in 7/16, 1/2 and metric threads. If you are going to "race" at an official dragstrip, the ET lugnuts will not pass inspection.

The only other alternative is to replace the studs with longer ones.
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Old 02-18-2007, 11:38 PM
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Here's the rule. The stud must engage the nut by the diameter of the stud minimum. 7/16" studs, 7/16" of stud in the nut.
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