2008-9 Impala 5.3

[SSDiv6]

Originally Posted by brian schuetta

So they all have 4T65s? Adger I did finally clear my e-mail. Thanks for your replies.

They are supposed to have a 4T65E-HD.
There are lots of racing components for those transmissions and there is even a racing guidebook that was published by GM Racing.

You can download the manual from the link shown below.

https://docs.google.com/file/d/0B2Tw...ZIZ25BUmM/edit