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Old 05-02-2004, 04:48 PM
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Re-drill bolt pattern?

I have a set of 15x10 steel wheels that I am considering re-drilling the bolt pattern from 5x5 to 5x4 3/4. I imagine I'll need some kind of template/bit guide to do this, if it's not perfect then it will have a bad vibration. Anyone ever tried this before?

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Old 05-02-2004, 05:51 PM
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I made a set of 4 1/2 bolt pattern to 4 3/4 bolt pattern. These were aluminum wheels and I lengthened the holes with a dremel tool and hand file. It's like a "unilug" wheel now. worked OK, but was quite a bit of work.

It would be near impossible with steel wheels that need a tapered lug nut.
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Old 05-02-2004, 11:23 PM
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Steel wheels have a reverse flange under the tapered seat of the nut, do not redrill them unless you re-punch in this safety feature using a large press and associated dies. Most people don't have access to the equipment that will allow you to do this so it is generally a big no-no.
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Old 05-03-2004, 08:19 AM
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Right, It's hard to keep your nuts tight if you don't.

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Old 05-03-2004, 04:11 PM
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What about using a grinder to make the "reverse flange"?
My idea was to use my brake drums (which have both 5x5 and 5x4 3/4 pattern) as a template. I only want the wheels to run some 27x10 slicks at the dragstrip, not for street use.
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Old 05-03-2004, 05:30 PM
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Grinding will make it to weak around the stud.
Look at an org steel wheel, you could use a punch to counter sink them from the rear. A press would be better.

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Old 05-03-2004, 10:19 PM
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Get you axles redrilled to 4 3/4, if you have the drums that will fit them..........less work and safer.
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Old 05-04-2004, 11:40 AM
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Quote:
Originally posted by poncho62
Get you axles redrilled to 4 3/4, if you have the drums that will fit them..........less work and safer.
my axles are 5x4 3/4, I had the drums re-drilled to fit the axles and (street tire) wheels
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Old 05-08-2004, 01:12 PM
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I went ahead and bought some new wheels (Cragar Nomad I) since re-drilling sounds like it may be unsafe (FYI Jegs was the only place that I could find the correct wheel, some places told me that they don't have 15x10 steel wheels anymore)
Guess I will try to sell the other wheels
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Old 05-08-2004, 01:38 PM
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Smartest thing you could do!
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