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4l60e transmission

Tiny
JDCHEVYGUY1
  • MEMBER
  • 1993 GMC JIMMY
  • 240,000 MILES
I have a 1993 gmc jimmy 4x4 4.3 w engine code with the 4l60e trans I was looking for a replacement trans and have found out that it is 1993 s series only with two different trans codes TAD and THD can I use a trans out of some thing else or what is the difference between the two trans codes
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Sunday, July 22nd, 2012 AT 11:55 PM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You can use a turbo 350 with the small bellhousing.

Roy
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Monday, July 23rd, 2012 AT 12:30 AM
Tiny
JDCHEVYGUY1
  • MEMBER
  • 3 POSTS
Is there any other 4l60e that I can use or do I have to use the one that is coded the same as the one in my truck
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Monday, July 23rd, 2012 AT 7:24 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You can use another one. It does not have to be the one in the truck. Trans shops swap out units all the time.

Roy
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Monday, July 23rd, 2012 AT 7:30 PM
Tiny
JDCHEVYGUY1
  • MEMBER
  • 3 POSTS
What is the difference between the two trans codes besides TAD being 1st gen and THD being 2nd gen
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Monday, July 23rd, 2012 AT 7:36 PM

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