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08-17-2005, 02:21 PM
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#1 |
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Registered User
Join Date: Jan 2000
Location: Michigan
Posts: 312
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bolt pattern for a 72 C-20
Just curious, I never really paid attention to the bolt pattern spec for a C-20, but now I'm looking for new rims, I guess I need to verify this.
Does anyone know for sure what it is? Thanks, -Chuck
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Chuck 1972 C-20 Longhorn 402 BB .030" over (409?), curved HEI, RV cam, quadrajet, dual 3" exhaust, TH 400 ported w/shift kit 1999 K1500 Suburban (old style) 5.7L Vortec 4L60E "No matter where you go, ........ there you are" |
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08-17-2005, 02:23 PM
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#2 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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8 On 6.5"
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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08-17-2005, 02:29 PM
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#3 |
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Registered User
Join Date: Jan 2000
Location: Michigan
Posts: 312
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Thanks, I knew it was 8 bolts, and 6.5"...........is that the width?
The reason I am sasking all of this is to find out if there are any differences between 8-bolt patterns in this model, versus newer Chevy 8-bolt patterns. Also other 8-bolt patterns I may see on e-bay etc., Isn't there a spec in millimeters about how far apart the bolt holes are? Just wondering. Thanks in advance for your assistance -Chuck
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Chuck 1972 C-20 Longhorn 402 BB .030" over (409?), curved HEI, RV cam, quadrajet, dual 3" exhaust, TH 400 ported w/shift kit 1999 K1500 Suburban (old style) 5.7L Vortec 4L60E "No matter where you go, ........ there you are" |
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08-17-2005, 03:10 PM
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#4 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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All 8 lug patterns are the same (8x6.5) EXCEPT for Ford Super Duty's, which have the 8x170mm pattern. The 6.5" does not refer to the rim width, but I am not sure exactly what measurement it is for.
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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08-17-2005, 03:32 PM
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#5 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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the 6.5" is the diameter of the bolt circle.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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