Author Topic: yh axles  (Read 5457 times)

wisemanz28

  • Member
  • ***
  • Posts: 233
    • View Profile
yh axles
« on: May 09, 2014, 02:07:19 AM »
Did GM stamp "YH" axle shafts with the letters "YH"?

69Z28-RS

  • Hero Member
  • *****
  • Posts: 5778
  • owner since 4-Apr-1976
    • View Profile
Re: yh axles
« Reply #1 on: May 09, 2014, 03:33:38 AM »
What is a 'YH' axle shaft????
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

ko-lek-tor

  • Hero Member
  • *****
  • Posts: 1858
  • someday I'll get one finished
    • View Profile
Re: yh axles
« Reply #2 on: May 09, 2014, 03:46:00 AM »
What is a 'YH' axle shaft????
Thanks for asking...I was too embarrassed?
Bentley to friends :1969 SS/RS 396 owned 79
1969 SS 350 (sold)
1969 D.H.COPO replica 4spd. owned since 85
1967 302 4 spd 5.13

69Z28-RS

  • Hero Member
  • *****
  • Posts: 5778
  • owner since 4-Apr-1976
    • View Profile
Re: yh axles
« Reply #3 on: May 09, 2014, 03:47:23 AM »
you're welcome..  we'll all learn together.. :)
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

wisemanz28

  • Member
  • ***
  • Posts: 233
    • View Profile
Re: yh axles
« Reply #4 on: May 11, 2014, 09:33:18 PM »
Maybe I was misinformed, so are you guys suggesting that there is no casting stamp on a 1969 z28 axle shaft ?  ( I was under the assumation that they were stamped "YH" )

ko-lek-tor

  • Hero Member
  • *****
  • Posts: 1858
  • someday I'll get one finished
    • View Profile
Re: yh axles
« Reply #5 on: May 11, 2014, 10:50:53 PM »
Maybe I was misinformed, so are you guys suggesting that there is no casting stamp on a 1969 z28 axle shaft ?  ( I was under the assumation that they were stamped "YH" )
I think you are referring to the wheel used on 69 Zs (late) http://camaros.org/suspen.shtml#Wheels which are stamped YH, not the axle. I'll go further and say (until refuted) that all 12 bolt axle shafts in production 1st gen. Camaros  (excepting perhaps JL8) are the same as far as temper/hardness and quality and interchangeability and there is not a "special" axle shaft in a Z. The 68-72 12 bolt Nova shares same shaft. There are posts regarding 12 bolts that explain better that not all 12 bolts, I.E. BE coded, and some service and low ratio R&Ps have differences in hardness. Never had any of that cool stuff, so will not comment further. Hope this helps. We are all learning.
« Last Edit: May 11, 2014, 11:25:14 PM by ko-lek-tor »
Bentley to friends :1969 SS/RS 396 owned 79
1969 SS 350 (sold)
1969 D.H.COPO replica 4spd. owned since 85
1967 302 4 spd 5.13

68camaroz28

  • Hero Member
  • *****
  • Posts: 2232
    • View Profile
Re: yh axles
« Reply #6 on: May 11, 2014, 11:19:30 PM »
Maybe I was misinformed, so are you guys suggesting that there is no casting stamp on a 1969 z28 axle shaft ?  ( I was under the assumation that they were stamped "YH" )
I never noticed a stamping on axle shafts and checked mine (68Z) before rebuilding the 12 bolt rear. Most likely a mix up as already mentioned with YH rally wheels on 69 Z/28's. Where did you hear about YH axle shafts? And don't feel embarrassed about this as you would not believe how I have gotten some things mixed up over the years. :) And in some cases things were stamped the same like the 69 DZ block and the list 4053 DZ carb. We are ALL constantly learning!
Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

wisemanz28

  • Member
  • ***
  • Posts: 233
    • View Profile
Re: yh axles
« Reply #7 on: May 11, 2014, 11:24:59 PM »
Thanks so much for the info, some years back I thought I saw saw something on the internet that refered to the axle shafts as being stamped YH. Guess my memory isn't what it used to be.

wisemanz28

  • Member
  • ***
  • Posts: 233
    • View Profile
Re: yh axles
« Reply #8 on: May 14, 2014, 02:08:14 AM »
interesting thread i thought I'd share
NCRS Historical Document Services link  

      
      
      
      
 
 

Messages
Edit Profile
Edit Preferences
Watch Lists
View Profile
Posts
Buddies
Subscriptions
Cookies

Welcome wisemanz28. [Log out] The Supercar Registry » Forums » General Discussion » Technical & Restoration » 69 Z28 Rear Axle  
Forum List    My Stuff      User List     Calendar     Active Topics    Search     FAQ  
 
 
Page 1 of 2 1 2 >
New Reply  
 Topic Options  
 Rate This Topic  
 

#452548 - Sun Jun 19 2011 03:34 PM  69 Z28 Rear Axle  
enio45  
 
Pooh-Bah

Registered: Wed Oct 09 2002
Posts: 2042
Loc: Gilbert, AZ  Im working on a friends 69Z and noticed that the rear axle on one side has a casting or part number on the exposed end of the axle. The other axle has no casting numbers on it. The number is 9349 LS

My question is, do the 69 axles have casting numbers and if not, would one of the axles be a replacement?

Appreciate any advise on what is correct etc -

_________________________
Eddie M
MBTMF

68 COPO Camaro 9737 non-converted YENKO
69 YENKO SC Camaro, Hugger Orange - born with engine!
 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452569 - Mon Jun 20 2011 01:25 AM  Re: 69 Z28 Rear Axle [Re: enio45]  
wundercluck  
 
journeyman

Registered: Sun Jul 27 2003
Posts: 83
Loc: Eastern Washington (Richland),...  My JL8 car has 7206 (if memory serves), which were the last four digits of a JL8 axle part number, cast in the area you are referring to. I thought it was on both axles but haven't looked in a while.

_________________________
69 JL8 Z/28

 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452605 - Mon Jun 20 2011 01:52 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
luv2sixty9  
 
member

Registered: Fri Mar 30 2007
Posts: 140
Loc: Pennsylvania  
"My question is, do the 69 axles have casting numbers and if not, would one of the axles be a replacement?"

Yes, Ed they have a casted part # on the ends of the axle.

_________________________
67 Z/28 Butternut Yellow
69 Z/28 Rally Green
69 Z11 Pace Car
(2) 69 RS/Z28 Lemans Blue / Olympic Gold
2010 2SS RS Aqua Blue
 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452611 - Mon Jun 20 2011 03:26 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
enio45  
 
Pooh-Bah

Registered: Wed Oct 09 2002
Posts: 2042
Loc: Gilbert, AZ  OK, from what i have been able to check out so far - the part number for the axle is 3969349 - so the axle would have a cast number of 9349 like the one im looking at. The other side does not have any casting info - so i am assuming its been replaced with a generic brand.

Any idea what the casting letters LS mean?

_________________________
Eddie M
MBTMF

68 COPO Camaro 9737 non-converted YENKO
69 YENKO SC Camaro, Hugger Orange - born with engine!
 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452641 - Mon Jun 20 2011 11:54 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
travlnz28  
 
addict

Registered: Fri May 23 2008
Posts: 493
Loc: Southern Calif.  Ed,

Both of my JL8 axles have 7206 on the end (part # 3947206). I have a few other GM axles laying around and they all have numbers on the end. My guess is the one without numbers would be a replacement.

_________________________
69 RS Z/28
69 JL8 w/Factory A/C
70 SS 396 Conv.
65 Impala 396/425

 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452646 - Tue Jun 21 2011 01:15 AM  Re: 69 Z28 Rear Axle [Re: travlnz28]  
sc69sam@yahoo.co  
 
Carpal Tunnel

Registered: Sat Nov 09 2002
Posts: 7657
Loc: Pennsylvania  doesn't matter, can't see them anyways. slide em back in Ed and go do a burnout. YEAAA!

 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452695 - Tue Jun 21 2011 07:16 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
enio45  
 
Pooh-Bah

Registered: Wed Oct 09 2002
Posts: 2042
Loc: Gilbert, AZ  You got the right idea Sammmmmmmmmyyyyyyyyyyyyyyyy!!

_________________________
Eddie M
MBTMF

68 COPO Camaro 9737 non-converted YENKO
69 YENKO SC Camaro, Hugger Orange - born with engine!
 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452778 - Thu Jun 23 2011 01:53 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
Charley Lillard  
 

Carpal Tunnel

Registered: Mon Apr 10 2000
Posts: 11696
Loc: Woodland, ca. US  Originally Posted By: enio45OK, from what i have been able to check out so far - the part number for the axle is 3969349 - so the axle would have a cast number of 9349 like the one im looking at. The other side does not have any casting info - so i am assuming its been replaced with a generic brand.

Any idea what the casting letters LS mean?

The LS means "left Side" and should only be used on the left side unless you live below the Equator. In that case you will need to move it to the right side or your gas mileage will severely drop. It's just like the direction water swirls in a toilet. It changes depending weather you are above or below the Equator because of the magnetic pull of the North and south poles. If you have the axle on the wrong side it will be just like trying to swim against the swirl in that toilet. Go with the flow. Ta Daaaa..

 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452779 - Thu Jun 23 2011 02:28 PM  Re: 69 Z28 Rear Axle [Re: Charley Lillard]  
SmallHurst  
 
old hand

Registered: Fri Jan 03 2003
Posts: 1130
Loc: Lees Summit, MO  Leave it to Chaz to come up with the answer we all have been looking for!!!!

_________________________
Snarl softly and carry a big stick!
1969 Hurst/Olds
13.26 @ 103.12 Pure Stock

Rusty Small
 
Top   Reply  Quote  Quick Reply  Quick Quote  Notify  Email Post  
 
 
#452780 - Thu Jun 23 2011 02:47 PM  Re: 69 Z28 Rear Axle [Re: enio45]  
enio45  
 
Pooh-Bah

Registered: Wed Oct 09 2002
Posts: 2042
Loc: Gilbert, AZ  What happens if you have one wheel north of the equator and the other south of the equator.....that would be a CF
« Last Edit: May 14, 2014, 02:26:38 AM by wisemanz28 »