The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 05-23-2012, 09:16 PM   #1
Sklptrljay
Registered User
 
Sklptrljay's Avatar
 
Join Date: Apr 2012
Location: Stillwater, Oklahoma
Posts: 874
Can someone ID my axle code?

I have a 71 half ton with a 12 bolt. I looked everywhere but I don't see an answer for my code. It's: THA W153.

Thanks for any help.
Sklptrljay is offline   Reply With Quote
Old 05-24-2012, 01:43 AM   #2
Sklptrljay
Registered User
 
Sklptrljay's Avatar
 
Join Date: Apr 2012
Location: Stillwater, Oklahoma
Posts: 874
Anybody able to ID my rear gear ratio?

Can anyone identify my gear ratio?

It's a 1971 12 bolt.

The code on the rear passenger side tube reads: THA W153
Sklptrljay is offline   Reply With Quote
Old 05-24-2012, 02:37 AM   #3
SS Tim
Registered User
 
SS Tim's Avatar
 
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
Re: Can someone ID my axle code?

T..'71?, HA..3.73 open, W..Warren MI plant, 153..153rd day of the year How does that match up to what you think you have?
SS Tim is offline   Reply With Quote
Old 05-24-2012, 08:55 AM   #4
Sklptrljay
Registered User
 
Sklptrljay's Avatar
 
Join Date: Apr 2012
Location: Stillwater, Oklahoma
Posts: 874
Re: Can someone ID my axle code?

HA = 3.73?

That would be awesome!

I just bought this 71 for a parts truck for $500, and I'm doing a 6 to 5 lug conversion on my 70. I just crossed my fingers when I bought the 71, but 3.73 is exactly what I wanted.

I will open the case when I pull it to confirm.
Sklptrljay is offline   Reply With Quote
Reply

Bookmarks

Tags
12 bolt 5 lug, codes, differential, gear ratio, rear axle


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:36 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com