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03-16-2024, 11:00 AM
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#1 |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 104
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What is the wheel stud thread size on a 1969 c10 i6?
What is the wheel stud thread size on a 1969 c10 i6?
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03-16-2024, 11:28 AM
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#2 | |
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Active Member
 Join Date: Jan 2015
Location: central oregon
Posts: 138
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
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03-16-2024, 12:08 PM
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#3 |
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All stock and staying that way
Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,285
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Re: What is the wheel stud thread size on a 1969 c10 i6?
7/16 x 20 x 1 1/4 .62 OD fits .47 hole
GM # 3980406
__________________
1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress...  1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...  2017 Sierra 1500 SLT 4WD, Black, 41k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 60k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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03-16-2024, 01:18 PM
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#4 | |
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Senior Member
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,049
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
For '68 all are 7/16-20. And all 2WD and 4WD use 6 lugs at 5. 5" spacing
__________________
Every 25 years I like to rebuild that 292, whether it needs it or not. |
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03-16-2024, 01:22 PM
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#5 |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 104
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Re: What is the wheel stud thread size on a 1969 c10 i6?
So I’m going to pick up some OEM 15x8 truck rallys tomorrow. I’m not sure what year they came off of.
What I’m concerned about is if there is any reason that the hole size in the wheels could differ from what is intended to be 7/16-20? |
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03-16-2024, 02:08 PM
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#6 |
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Senior Member
Join Date: Jun 2022
Location: San Ramon,CA
Posts: 398
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Re: What is the wheel stud thread size on a 1969 c10 i6?
take a 7/16 bolt with you?
__________________
1970 C10 Custom longbed 350/350 |
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03-16-2024, 05:10 PM
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#7 |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 104
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Did those wheels come oem for any other size stud diameter?
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03-16-2024, 06:58 PM
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#8 | |
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Senior Member
Join Date: Mar 2019
Location: Herculaneum MO (20 minutes south of St. Louis
Posts: 588
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
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67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
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03-16-2024, 07:02 PM
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#9 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,564
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Well, the 5 lug hubs have 1/2-20 studs. Do the 6 lug hubs have the same size stud?
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03-16-2024, 07:17 PM
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#10 | |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 104
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
Maybe the 6 lug were all 7/16? |
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03-16-2024, 08:38 PM
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#11 |
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Senior Member
Join Date: Mar 2019
Location: Herculaneum MO (20 minutes south of St. Louis
Posts: 588
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Re: What is the wheel stud thread size on a 1969 c10 i6?
It makes no difference. Bolt them on and quit worrying about it.
__________________
67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
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03-16-2024, 09:39 PM
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#12 | |
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Born Psycho
Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,742
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
__________________
jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
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03-16-2024, 10:38 PM
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#13 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,149
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
4wd squares were all 6 hole 7/16 lugs. 2wd squares were all 5 hole 5" b/c with 1/2" studs. K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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03-17-2024, 12:17 AM
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#14 | |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 104
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Quote:
Thank you all, buying with confidence 😀 |
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03-17-2024, 07:13 AM
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#15 |
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Registered User
Join Date: Nov 2001
Location: Old Bridge,NJ
Posts: 814
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Re: What is the wheel stud thread size on a 1969 c10 i6?
Nice looking wheels you'll have there for on you truck, also IMO the perfect trim ring size on the six lug. Lots of nice looking wheel used on 67-72. For a stock height and stock looks, even though Chevy didn't start making them wheels till ( 73 74? ) I always like the rallies.
NGN Nick |
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