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Old 06-01-2013, 07:02 AM   #1
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Location: Tucson, AZ
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Lov'n my exhaust brake

New to me in my 2013 is the exhaust brake feature. Got to test it out and I'm impressed. My previous Duramax had only the Allison tranny brake, which was great but going down hill it wouldn't hold the speed I set with my 5er in tow. My 2013 now holds whatever speed I set while decending a 5 mile long 6% grade and no braking by me is required.

2009 Chevy 2500HD Duramax
2008 Everest 305T
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Old 06-01-2013, 11:59 AM   #2
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Wouldn't have a diesel RV or tow vehicle without one.

99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 06-01-2013, 03:37 PM   #3
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You'll be really impressed when you discover that it works just as well on a 10% grade.

Retired electronics engineer. Avid paddler & birder.
2011 Silverado 2500HD, diesel, 4x4,crew cab, 8' bed
Palomino Puma 253FBS (27' 5er) & '94 19' Class B
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Old 06-01-2013, 07:24 PM   #4
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Actually your previous Dmax/A had the VVT (variable vane technology) turbo. It was a mild program. Banks Speed Brake and KillerBee can reprogram the VVT for more aggressive exhaust braking on the older Dmax/A.

Your new Dmax/A has the same VVT turbo technology but is much more aggressive turbo vane closing program which gives much more exhaust braking.
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'98 3500 DRW 454 4x4 4.10 crew cab
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