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Old 05-28-2014, 03:29 PM   #1
Theoriginalsilverado
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Bolt Pattern?

VERY QUICK QUESTION!

I've got a 1975 C20 Camper Special, with the 4:10 gear ratio. 8 Lug bolt pattern.

But what is the exact pattern, 8x____?

Thanks
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Old 05-28-2014, 05:00 PM   #2
geezer#99
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Re: Bolt Pattern?

6.5
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Old 05-28-2014, 05:01 PM   #3
csdineley
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Re: Bolt Pattern?

8x6.5" I think
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Old 05-28-2014, 09:06 PM   #4
Theoriginalsilverado
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Re: Bolt Pattern?

Thanks guys. So wheels from a 2013 Silverado 2500 with the same bolt pattern will fit?
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Old 05-28-2014, 10:47 PM   #5
95 S_Trucker
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Re: Bolt Pattern?

No, anything 2010 and older would fit. The suspension and brakes were redesigned for 2011 and a different wheel pattern was used.
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Old 05-29-2014, 02:58 AM   #6
BLE 'BURBAN
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Re: Bolt Pattern?

MEASURING BOLT PATTERNS.
4,6 & 8 LUG PATTERNS;
Measure center to center of two holes directly across from each other

4 LUG


5 LUG PATTERN IS MEASURED DIFFERENTLY THAN THE OTHERS...Measure from the CENTER on one hole to the BACK of the third hole. This is the easiest and most accurate way to "Estimate" a 5-lug bolt circle. You can also measure from the CENTER of one hole to the CENTER of the third hole using 1.05 multiplier to find your bolt circle.

5 LUG


6 LUG


8 LUG
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Old 05-30-2014, 01:57 PM   #7
hatzie
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Re: Bolt Pattern?

For a long time GM, Ford, and Dodge used 8 x 6.5"... i used a set of AL wheels from a T800 chassis and have used the steelies from my 2000 T400 on the 76. You'll need dual thread lug nuts for the center caps.
The GM T900 chassis changed to 8x180mm for MY 2011. Vans lagged...
More in this thread...http://67-72chevytrucks.com/vboard/s...d.php?t=564112
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2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
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