tuner for sub or not
2001,2500 suburban with 8.1 engine and 4:10 gears. My camper is 8000 pounds and 36 footer. Does anyone really think a tuner such as flashpaq with no other mods would be worth it? Im not complaining ab...
Forum Discussion
The 2001 Suburban 8.1 has the 4L80-E transmission. GM beefed it up to the 4L85-E in 2002. Increasing power and torque with a tuner may affect drive train reliability. My 8.1 with 3.73axle pulls 7500# with very little effort and I'm happy with the performance and mileage.
