What can I realistically expect from a tune? Buddy has a lap top tuner, and wants to tune my '03 4.8. I plan on getting a CAI, and then a tune. I already have a Flowmaster si/do 40. Thanks!
What can I realistically expect from a tune? Buddy has a lap top tuner, and wants to tune my '03 4.8. I plan on getting a CAI, and then a tune. I already have a Flowmaster si/do 40. Thanks!
Depends on how good your buddy is at tuning
Slowest in Oklahoma...
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A tune from someone who really knows what there doing maybe 20-30hp 1-3 mpg and better driveability.
A tune from someone who doesn't know what they are doing could result in a blown up drivetrain and 100% loss in power.
ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06
waiting to go in... 3.90s, 214/220cam
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