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Old 04-29-2021, 03:20 PM   #1
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06 Super C Kodiak Chevy C5500

Does anyone have installed any of the hand held programmers like Super chips, Edge or. Diablo on a chevy kodiak 5500 gas chassis RV ?
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Old 05-05-2021, 06:12 PM   #2
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I installed a Brazels tuned ECM on my '05 Kodiak C5500. It is quite noticable when towing 10,000 lbs. in the hills, holds 4th and 5th gear much better than before and now the rig can run at 70-75 while towing 10,000 lbs. Downside is you have to feed the horses, so to make more power it costs you in less mpg.
Have not tried it yet not towing, but going next week to FL with just the RV, so at 62-65 it should actually get better mileage.
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Old 06-01-2021, 07:40 AM   #3
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Wow!, Can't believe no one else chimed in, usually fuel mileage posts get a lot of opinions.
Wanted to update my actual findings, just returned from a 2755 mile trip running just the RV, no trailer thru 7 states with various mountain grades. I hand calculate every tank. I usually run 400+ miles between fill up. I don't like to run much under a half tank, and when I took this trip it was during the east coast fuel shortage so I didn't want to go too low.
I averaged 65-70 with a fully loaded coach, full fuel and full water, this was a 3 week vacation, worst tank was 7.5 mpg, best was 10, over the entire trip actual fuel mileage was 9.0. I ran 75+ down in FL and on flat highway's. Power in the hills was noticable and downshifting was greatly reduced.
Having owned 44 motorhomes over the last 35 years, I am extremely pleased with this ECM update, and every tank was with 87 octane fuel, I told them when I purchased it that I did NOT want to have to run premium fuel.
It definitely makes a difference.
My coach is a 2005 Gulfstream Endura model 6316, started the trip with 44,000 actual miles, new tires, fresh tune-up, minimal generator operation while traveling.
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