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Drivetrain applications?

Tiny
NATHANLIND0
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 260 MILES
Hi, I have the truck listed above, 1500 with the 5.3, 4L60E transmission and a 3:73 axle. I'm thinking about rebuilding the 5.3 the same way as was shown on YouTube and I'm wondering if I change the 3:73 to a 4:10, will the stock transmission handle the rebuilt engine and new gear ratio? Or will I have to buy a different transmission?
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Friday, September 30th, 2022 AT 9:30 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Yep, the transmission should be okay, I would change the fluid out and install a new filter, also the 4:10 gears will make it go much better so I would definitely change those out.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Let us know what happens and please upload pictures or videos of the build. We are interested in seeing it.

Here are the LS build videos:

https://www.youtube.com/playlist?list=PLe3kz1i_LrtX5402mzO6ovoz8xeUdwZ8B

Please let us know what happens.
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Friday, September 30th, 2022 AT 11:29 AM

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