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Old 11-22-2015, 08:59 PM   #1
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Bully Dog 40420

How many of you are using the Bully Dog 40420 tuner? I am considering a purchase but would like real world input from those that are currently using this product or have used this product.

All input is appreciated and am really interested in those with results being used on a 2007-2012 Ram 6.7 Cummins tow vehicle.

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Old 11-23-2015, 11:27 AM   #2
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Used bullydog tuner in my 7.3 powerstrokes. They were a good canned tune and safe.

Don't know what your funds look like, nor exacts for your yr model cummins, but there are much better custom tuners available.

I reccomended you go to Dodge Cummins Diesel Forum and read up.

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Old 11-24-2015, 01:37 AM   #3
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I run a TS Performance on my Ford. I don't know any folks running Bully Dog, but, several of my co-workers have the Edge w/Attitude on their 6.7 and 5.9 Dodges towing dump trailers, horse trailers, and gooseneck trailers with tractors and rock crawlers. Pricey, but, I haven't heard any negatives from any of them about the Edge.

There's a Cummins forum on here, you could ask there.
Rich & Patricia
00 F350 7.3L___89 Terry Resort 25.5
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Old 12-27-2015, 08:31 AM   #4
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bought one about 2 months ago, a BullyDog for a 5.9l 2003 3500 RAM. Have not really towed with it, but it does give you more get-up and go. fuel mileage about the same, but I'm using the go pedal more...like the power, even at the low setting.
You need to connect the tuner to the internet via PC for downloading the lastest software. satisfied with the unit? I'd say yes! anyother questions, let me know.
5.9l Cummins 03 RAM 3500 DRW (IM FRED), Haul'en a 07 Jayco Designer 34RLQS (OH ETHEL)...3 yrs snowbirding in FL, with my sweetie...and man's best friend, our stubby-tailed (no tail at all) Australian cattle & Boxer mix rescue dog!
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Old 12-27-2015, 03:50 PM   #5
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Why use one? Never seen the benefit.
2003 Teton Grand Freedom. 2006 Freightliner Century 120 with Detroit 14L and Ultrashift.2015 Smartcar carry on deck. Full time going from job to job. Building and maintaining plants across the USA. Sold 2006 Mobile Suites 32TK3
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Old 12-27-2015, 05:48 PM   #6
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Been towing with a Hypertech for 8 years. Trailer is 15k with Ford 6.0L.
Will tow for the next 10 years because I feel it's protection for my engine. I trust Hypertech more then Ford to program my truck for power. Fuel consumption is fantastic towing or not and exhaust temperatures are great. Best protection for turbo and injectors.
Barbara and Laurent, Hartland Big Country 3500RL. 39 ft long and 15500 GVW.
2005 Ford F250 SD, XL F250 4x4, Long Box, 6.0L Diesel, 6 Speed Stick, Hypertech Max Energy for Fuel mileage of 21 MPusG empty, 12.6 MPusG pulling the BC. ScangaugeII for display..
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Old 12-27-2015, 06:38 PM   #7
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Edge has a better setup that is safer on your injectors.

Alie & Jim 2017 DRV Memphis
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