Needing a stock 2005 5.3 calibration

[timmay81]

Anyone help me find a stock calibration for my 05 5.3

12591723 with os 12592618, the read i have was with a bullydog programmer on it and id like to find a 100% stock one

Thanks in advance

[Taz]

There are 4 of these in the repository at www.tunefiledepot.com

2005 Silverado tunes are 5.3L L59 (Flex Fuel) and L33 (it is marked L81). 2005 Sierra tunes are 5.3L LM7 and L33.

[timmay81]

Thanks a ton!!