8.1 with allison in RV
I have a 40ft workhorse RV with a 8.1 and allison in it. I read the tune with EFI Live and realized I could tune it. The draw back, its a 20k pound RV and drinks gas and is a pain to get out just to tune. Has anyone tuned these and got any results. All I want is more mpg, but I think the RV is under powered thats why it drinks so much fuel.
there is a good posibilty that you can get some better fuel milage
but don't forget you pushing a brick down the road
look at pe and maybe auto ve just to get you're trims in line
97 2500 ecsb 5.7l/4l80e/4x4 411 pcm /thorley tri-y's/dual super 40's with x (catless)/aem cai/msd 6a and coil/zz4 cam/beehive spring/lm-1
stock sucks
What year is it? Can you post your tune? I'm starting on an 03 8.1 avalanche and would like something to compare. The ave is getting a stellar 9mpg now...
2001 Camaro SS
EFILive Custom OS3
check out the section on "tunning for economy" theres lots of little things you can change for a little better economy
dont expect to be a econo box though
97 2500 ecsb 5.7l/4l80e/4x4 411 pcm /thorley tri-y's/dual super 40's with x (catless)/aem cai/msd 6a and coil/zz4 cam/beehive spring/lm-1
stock sucks
30mpg pulling 9500lbs or BUST!
2001 Camaro SS
EFILive Custom OS3
Well I have tuned several hundred ls motors, just dont know about the rv being so heavy. Thats why I asked if anyone done one before and saw gains.
I'm interested to see your tune because mine has a 120sec PE delay and lots of traction control. I've never done an auto trans or DBW for that matter. would like to see the differences, if any, with a tune for a camper like yours...
2001 Camaro SS
EFILive Custom OS3
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