Go Back   LS1TECH > CHASSIS, SUSPENSION, APPEARANCE > Automatic Transmission
Sign in using an external account
Register Forgot Password?

Automatic Transmission
4L60E | 4L80E | TH350 | TH400 | TH2004R | Powerglide | Converters | Shift Kits
Sponsored by
PerformaBuilt Transmissions

4L80E - 2x4 & 4x4 swap

Thread Tools Search this Thread
Old 08-20-2004, 12:44 AM   #1
Teching In
Garage is empty, add now
Trader Rating: 0
Join Date: Aug 2004
Location: Utah
Posts: 2
Default 4L80E - 2x4 & 4x4 swap

I have a 1999 Vortec 7.4L with HD 4L80E tranny, 2x4 from a motorhome.

I am converting to 4x4 use. I need to swap the tailshaft and tailhousing for a 4x4 tailshaft and housing!

Can anyone help locate the parts? Hopefully a trade! I need a good deal. I have already spoken to Advanced Adapters. They said there are a few shaft lengths and they only support 2 of them. They said they probably don't have the parts for me so, I would need to swap tailshafts.


jeepnaround is offline   Reply With Quote
Old 08-20-2004, 01:48 AM   #2
TECH Fanatic
Garage is empty, add now
James B.'s Avatar
Trader Rating: 1
Join Date: Mar 2003
Location: 33.91 -117.48
Posts: 1,853
Send a message via AIM to James B.

You only need to change the output shaft. Unfortunately to get to it you have to tear down the entire transmission. Might as well replace the consumables inside.

The 4x4 Output Shaft Assembly is part # 24204291 and can be had brand new for about $125.

If this trans is from a Motorhome, it may very well be the HD version. The HD version of the 4L80-E is identifyable internally by straight-cut gears in both rear planetary sets and externally by a 2WD tailshaft housing that has a flange on the output side with a ball-bearing (instead of bushing) for the yoke.

If you have the HD version be glad, they're hard to find and the straight-cut gears reduce wear on the thrust washers at only the expense of a little gear whine. Better power-handling and longevity.
"James B."
1998 C2500 Suburban LT: GM Crate 502/Brodix Heads/234-244cam/4L80-E/3400 TC/Gear Vendors/4.56:1 Eaton/Dual 3" and Ceramic Headers
1999 C1500 Tahoe LT
James B. is offline   Reply With Quote
Old 08-20-2004, 01:48 AM
Pontiac Firebird

Paid Advertisement

Similar Threads
Thread Thread Starter Forum Replies Last Post
Where to find 4l60e tailshaft adapter for c4? The Plastic Lizard Corvette Performance 0 03-18-2014 08:35 PM
Lt1+th400=? IslandParkRacing LT1-LT4 Modifications 13 08-12-2011 08:14 PM
2wd 4L60e tailshaft housing needed Relic8723 Automatic Transmission 6 08-13-2010 08:21 PM
Th400 : short tailshaft...swap it? xssive Automatic Transmission 4 09-19-2005 10:45 PM
Swapping in 700r4, tailshaft issues dhdenney Automatic Transmission 3 08-13-2005 08:08 PM

2003, 2wd, 2x4, 4l80, 4l80e, 4x4, change, conversion, convert, output, shaft, shafts, swap, tailshaft, transmission

Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are Off
Pingbacks are On
Refbacks are Off

Join Ls1Tech

All times are GMT -5. The time now is 08:09 PM.

Powered by vBulletin® Version 3.8.7 AC1
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Advertising - Terms of Service - Privacy Statement - JOBS
Emails & Contact Details