C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Axle yoke u-joint fasteners ?

Thread Tools
 
Search this Thread
 
Old Feb 13, 2005 | 01:51 AM
  #1  
bams12's Avatar
bams12
Thread Starter
Racer
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Sep 2004
Posts: 482
Likes: 1
From: Brandon Manitoba
Default Axle yoke u-joint fasteners ?

Just removed the yokes, and half shafts from my 1980. There was 2 types of u-joint fasteners used. One being the strap style and another being the bolts style. It seems that the bolts style were used consistently on the u-joints at the wheels . However at the axle yokes I have a mixture of both styles. What is this car supposed to have , and if it were a choice between the two types ,which is better ? Thanx Brent
Reply
Old Feb 13, 2005 | 02:51 AM
  #2  
mapman's Avatar
mapman
Melting Slicks
20 Year Member
Active Streak: 30 Days
All Eyes On Me
 
Joined: Aug 2001
Posts: 3,050
Likes: 124
From: Wichita KS
Default

Originally Posted by bams12
Just removed the yokes, and half shafts from my 1980. There was 2 types of u-joint fasteners used. One being the strap style and another being the bolts style. It seems that the bolts style were used consistently on the u-joints at the wheels . However at the axle yokes I have a mixture of both styles. What is this car supposed to have , and if it were a choice between the two types ,which is better ? Thanx Brent
My 1980 originally had the 12 point bolts to hold the u-joint straps on. I replaced them with the 6 point bolts just to reduce the PITA factor.

I got my bolts from Van Steel, they are a good source of information especially when you suspect the car may have been modified.
Reply
Old Feb 13, 2005 | 11:28 AM
  #3  
bams12's Avatar
bams12
Thread Starter
Racer
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Sep 2004
Posts: 482
Likes: 1
From: Brandon Manitoba
Default

Looking at the yokes, it looks like if it were the strap type fasteners the yokes would need to be threaded to recieve the straps and bolts. If it were the bolts style it would not be threaded because the bolts just slid throught the yoke with a nut on the end . I think mine were probably the strap type but bubba stipped the treads and replaced with bolts. Sound right ??? Thanx Brent
Reply
Old Feb 15, 2005 | 10:58 AM
  #4  
mapman's Avatar
mapman
Melting Slicks
20 Year Member
Active Streak: 30 Days
All Eyes On Me
 
Joined: Aug 2001
Posts: 3,050
Likes: 124
From: Wichita KS
Default

Originally Posted by bams12
... . I think mine were probably the strap type but bubba stipped the treads and replaced with bolts. Sound right ??? Thanx Brent
Talk to the folks at Van Steel. FYI all the u-joints on my 1980 automatic L-48 are held by a stamped metal strap fastened by 12 point bolts. (except where bubba replaced a u-joint and used a socket head screw for one of the bolts)

I BELIEVE the automatics used the 12 point bolts and the 4-speed used 6 point bolts. As the 12 points bolt heads are easily rounded off, I replaced them with 6 point bolts (from Van Steel).
Reply
Old Feb 15, 2005 | 11:35 AM
  #5  
vettenoir's Avatar
vettenoir
Racer
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: May 2003
Posts: 375
Likes: 0
From: LaSalle ON
Default

The automatics also use smaller u-joints (1310's) with smaller bolts than the manual cars which use 1350 u-joints. You can't mix & match. I changed the yokes and axles over to 1350's for the extra strength.
Reply
Old Feb 15, 2005 | 11:45 AM
  #6  
Twin_Turbo's Avatar
Twin_Turbo
Race Director
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Dec 1999
Posts: 16,945
Likes: 9
Default

I replaced all the bolts on mine with 12pnt NAS quality bolts.
Reply
Old Feb 15, 2005 | 12:00 PM
  #7  
Van Steel's Avatar
Van Steel
Premium Supporting Vendor
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: May 2000
Posts: 4,312
Likes: 70
From: Clearwater FL
Default

80-82 vettes did not have u-bolts. Only the 63-79 model had either or. You either have 12 point or 6 point bolts. One is a fatter bolt than the other.
Reply
Old Feb 15, 2005 | 12:01 PM
  #8  
Twin_Turbo's Avatar
Twin_Turbo
Race Director
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Dec 1999
Posts: 16,945
Likes: 9
Default

the bolts are unf 5/16 if I'm not mistaking.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Feb 15, 2005 | 02:49 PM
  #9  
vettenoir's Avatar
vettenoir
Racer
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: May 2003
Posts: 375
Likes: 0
From: LaSalle ON
Default

I'm pretty sure the automatic tranny setup with 1310 u-joints uses 12-point 1/4 -28 UNF bolts and the manual tranny setup with 1350 u-joints uses 6 point 5/16-24 UNF bolts.
Reply
Old Feb 15, 2005 | 03:43 PM
  #10  
Twin_Turbo's Avatar
Twin_Turbo
Race Director
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Dec 1999
Posts: 16,945
Likes: 9
Default

yes, the larger ones are definitely the 5/16 24s because that's what I replaced them with, all 80,81 manuals and all 82s (only automatics) had the larger stubs.
Reply

Get notified of new replies

To Axle yoke u-joint fasteners ?





All times are GMT -4. The time now is 08:34 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE