4T40E Performance Rebuild (Chains) - Transmission Forum

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4T40E Performance Rebuild (Chains)
Saturday, May 25, 2013 9:16 PM
Hello Everyone,
I am in the process of rebuilding my 4T40E for boost. I have the level 10 rebuild kit with performance Raybestos clutches, Force Motor Solenoid, and a full LSD, (not the insert). My main question is, I was told the chain can be upgraded from a 3/4in to a 7/8 chain and sprockets from the 4T45E transmission. Has anyone ever done this, and will it make that big of a difference?
Thanks in advance for the input.



XtremE2200CaV: The Build has Begun
http://www.cardomain.com/ride/3864109/2001-chevrolet-cavalier-sedan-4d

Re: 4T40E Performance Rebuild (Chains)
Monday, June 03, 2013 12:12 PM
*Bump for answer?

My auto trans may be on its way out so a rebuild may be in my future as well.
Re: 4T40E Performance Rebuild (Chains)
Tuesday, June 11, 2013 8:01 AM
I think a few people modified the chains & sprockets from a 4T65E, but I was told the 4t45e chains and sprockets should swap over.





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