2004 Silverado Ecm

[5.3silverado]

I just sent my ecm off to black bear to have them calibrate it some more power and firm up shifts and change shift points. Can't wait to get it back!!

Sent from my XT901 using Tapatalk 2

 

[Texas Jim]

You will like it....

 

[Zembonez]

Very pleased with my BB tuned truck.

 

[txab]