Originally Posted By: TheSilverBuick
I have a set of 4.56 gears I may be installing in the rear.

Running gears like 4.56 will make the boost come in even latter in the RPM range.
The sunshell is a weak link on the 4L60E need to get "The Beast" sunshell my Silverado was loose and needed replacement & my truck is just a daily driver.


12 port SDS EFI