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Author Topic: Bolt Pattern  (Read 11010 times)

Offline Misfit Chevy

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Bolt Pattern
« on: December 04, 2012, 11:07:38 pm »
Had my wife measure the bolt pattern on my 85 C10. She says that both the front and back are 5x5.5, does this sound right? I have no idea what the guy before me did to the truck, but I thought stock it should have been 5x5? Any help greatly appreciated.
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85 Chevy C10 350/350

Offline Captkaos

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Re: Bolt Pattern
« Reply #1 on: December 16, 2012, 02:02:38 pm »
How is it being measured.  You can't measure from one lug center to another. 

All 1/2T 2WD trucks has 5 on 5" bolt circle.
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Offline ehjorten

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Re: Bolt Pattern
« Reply #2 on: December 18, 2012, 01:40:25 pm »
On a 5-lug pattern you typically measure from the outside edge of one stud, across the pattern to the center of one of the studs on the opposite side.  That gets you very close to the bolt circle measurement.  You should be able to get within 1/16th of the actual bolt circle dimension.
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-Erik-
1991 V3500 - Gen V TBI 454, 4L80E, NP205, 14 bolt FF, D60, 8" Lift on 35s
1977 K20 Silverado - 350, THM350, NP203, 14 bolt FF, D44, Stock Lift on 31s
1969 Chevelle Malibu Sport Coupe - EFI350, THM350
1968 Chevrolet Step-side Pickup - 300HP L6
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