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jpeto4755

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  1. Update on my quest for more power. Took RV to Cummins and they said after computer hookup that they could increase the horsepower by 25 hp but that there would not be any gain in torque. If they would have done this the charge would be $285 however they said that it in conclusion they would be glad to do it but I probably wouldn't make a difference that I would notice. So I thanked them for their time and wheeled away. Should I have done this anyways? EGT probe & gauge seems like something I might want to do.
  2. Thanks for the link. It seems that the newest 400 hp version is meant for pickup. Heavier vehicles seem to have lower hp ratings on a particular engine probably because of heat, etc issues. Famous quote: People buy horsepower and then drive torque\ on heavy vehicles.
  3. This has the ISB for sure but in order to determine more info I would need to get the engine serial # and then look it up with Cummins. Unfortunately I won't be able to get that for at least a week as I am 200 miles away and won't be back for at least a week. Thank you for following up on this and I will post again as soon as I have the info. If anyone has used the Bullydog medium duty programmer please feel free to comment.
  4. Not sure about the horsepower and torque. The engine was built in July 2007 and I don't have any more info The transmission is Allison 3000.
  5. In doing more inquiries on this ECM programming I have contacted a Freightliner franchises which has a location one in Tucson and another in Phoenix area. Tucson said they would reflash for about one hour labor ($155) and the service manager in Phoenix said he would not do it because of problems they had. Contacted Cummins Rocky Mountain in Tucson and was told that if I bring it in they will check to see and if not already done will charge $299 which is about double what Freightliner would charge.(No charge if already done) Seems like a safer alternative to Bullydog but I don't know how much of a change this would make unless someone has configuration similar to my coach and has done this. With Bullydog you get a monitor which makes it easier to see readouts versus little scrolling menu in dash which is hard to operate while your driving. Of course I can get separate gauges but I don't know how to hook them up. Life is chock full of mysteries, eh?
  6. I have a 2008 Fleetwood Bounder 38V (gvw 31k) with a 6.7 ISB motor that has the particulate filter but doesn't use DEF. What I want is more torque for the mountains here in Arizona as I have a 4100 lb toad. Have been considering a Bully Dog RV & Medium Duty Gauge Tuner (MDGT) for Cummins 2008-2018 6.7L ISB 46502 and would like to know if anyone has experience with this unit. If you have another brand please write on that. Thanks.
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