Don't RACE with these wheels

3151 Views 9 Replies 6 Participants Last post by VWA2MKII, May 30, 2007

SI LAMBO

Discussion Starter · Sep 27, 2004

Does anyone have experience with taking apart a Diablo wheel?

The bolts that hold on the two pieces should all be the same size. The holes on the two pieces are 6mm in dia, and the bolt without thread should fit snug, about 5.990. What I found after taking apart 8 wheels, is that on one set of four, 40 out of 140 were 5.00mm. And, on the other set, 46 were also undersized. The part numbers are different, but the thread size is the same. The shank is undersized. I think they got mixed up by mistake in assembly at the factory. The two sets were from a 91. I'm taking apart a 92 & 97 set in a few weeks. I'm am very interested in what I may find.

I don't want to sound an alarm, but it seems to me that this could be dangerous. You wouldn't want to be racing with this condition.

Facts: Sizes should be the same. No pattern with regard to staggering of bolts to offset the air stem and any other unbalanced parts. Each wheel with many undersized bolts needed more weights to balance the wheel. Wheels with 12 - 17 undersized needed 5oz of weights, another with 4 - 8 undersized needed only 2oz.

Any comments?

I am in contact with the factory. I will let you know.

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VWA2MKII

· #5 · May 30, 2007 (Edited)

Hey SI Lambo, I have a simular O.Z. wheel for my coffee table and I need the outter 25 'exterior' bolts. Do you know what size the bolts are supposed to be? And where can I get some.. possibly score me a deal?

I know how to take apart the wheel however. There are three peices... the barrel, the lip and the center. You can take the wheel apart from the inside or "behind" the wheel. If you have the neccesary tools you can take out the center part (50 bolts) and when you do this the only thing that connects the lip to the barrel is glue. The glue is there so air doesn't leak from your tire.

I would never assemble it myself unless I knew what I was doing because the bolts need to be correctly torqued, the wheel needs to be balanced and aligned with the glue and all that fun stuff... desembling you can do though...

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VWA2MKII

· #9 · May 30, 2007

I need 25 bolts, if you got them and they are in repairable or good condition, please send me an IM.

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VWA2MKII

· #10 · May 30, 2007

detour_racing said:
He was the owner of the site and passed away recently....

That sucks.

I looked at his profile and read this... "Last Activity: 09-01-2006 07:31 PM"

Sigh...

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