 Max runout on pedrinis?, How to tell if too bent? |
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| BK911 |
 Jan 26 2017, 07:28 AM
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#1
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Senior Member  Group: Members Posts: 672 Joined: 19-February 04 From: Rocky Top, TN Member No.: 1,674 Region Association: None  |
Lots of numbers out there.
Most common seems to be 0.03" of runout for alloy wheels. Anybody have any real world experience on what's too much? And is it peak to leak, or from centerline? Measured a couple and most are about 0.07" peak to peak. |
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| Tbrown4x4 |
Jan 26 2017, 07:43 AM
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#2
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Senior Member Group: Members Posts: 703 Joined: 13-May 14 From: Port Orchard, WA Member No.: 17,338 Region Association: None 
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0.07" doesn't sound like very much to me. Your tires will probably have a lot more runout than that. Do you have a vibration or balancing problem?
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| VaccaRabite |
Jan 26 2017, 08:11 AM
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#3
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En Garde! Group: Admin Posts: 13,443 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
same as above - whats the actual issue? Do they vibrate? Will they not balance? Or are you just being overly anal and trying to find the "perfect" wheels?
How many have you measured? 2? 4? 20? Zach |
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| BK911 |
Jan 26 2017, 08:28 AM
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#4
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Senior Member Group: Members Posts: 672 Joined: 19-February 04 From: Rocky Top, TN Member No.: 1,674 Region Association: None |
Trying to find my best wheels to have refinished.
Don't want to pay to refinish a bent wheel. Also don't want to pay to straighten a wheel that's not too bad. |
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| Krieger |
Jan 26 2017, 09:31 AM
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#5
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Advanced Member Group: Members Posts: 4,707 Joined: 24-May 04 From: Santa Rosa CA Member No.: 2,104 Region Association: None
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Why don't you try to give Al Reed or Harvey Weideman a call and find out what is acceptable? They are the wheel gurus.
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| 914Sixer |
Jan 26 2017, 07:45 PM
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#6
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914 Guru Group: Members Posts: 8,882 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Take them to the local tire shop and spin them. Most of the new equipment is digital and can measure the run out.
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| mb911 |
Jan 27 2017, 06:45 AM
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#7
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914 Guru Group: Members Posts: 6,850 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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That seems like allot. My buddy owns a wheel manufacturing company and I know for there wheel they sell to the cup series there is max run out of .007 though those wheels maybe going a touch faster.
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| mb911 |
Jan 28 2017, 09:12 AM
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#8
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914 Guru Group: Members Posts: 6,850 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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So I talked to my buddy yesterday when we met for a fish fry. He said .030-.060 Is an industry standard for road vehicles. He builds racing wheels and then the standard shrinks to as little as .007.
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| bdstone914 |
Jan 28 2017, 09:21 AM
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#9
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bdstone914 Group: Members Posts: 4,520 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
QUOTE(Krieger @ Jan 26 2017, 09:31 AM)  Why don't you try to give Al Reed or Harvey Weideman a call and find out what is acceptable? They are the wheel gurus. (IMG:style_emoticons/default/agree.gif) Or ask the place that is refinishing the wheels. They should know. Pedrini wheels are soft and are easy to bend. I think I would get the worst wheel to be no more than the runout of the best wheel before you refinish. |
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