Erratic shifts with Bully Dog
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New User
Joined: Sep 2007
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Erratic shifts with Bully Dog
Hey all,
Ive got a 06 250 Stroker FX4 Super Cab Short Bed. I tow a 12000 lb 5th wheel. I put on a 4" turbo back exhaust, Bully Dog filter and a Bully Dog 3Dog / Crazy Larry with Outlook monitor. When I accelerate even moderately (with or without the camper), it will often "hang" in 2nd (or maybe its 3rd) and then slam into the next gear. The tranny is a 5r100. When I set the Outlook back to stock, The problem seems to be better, but stock obviously doesn't lean as hard on the trans.
I used to have a Bully Dog Power Pup that I could set to run stock shifting only, but when I try that with the 3Dog, it still seems to run their "firm" shift program.
Thoughts or ideas?
Ive got a 06 250 Stroker FX4 Super Cab Short Bed. I tow a 12000 lb 5th wheel. I put on a 4" turbo back exhaust, Bully Dog filter and a Bully Dog 3Dog / Crazy Larry with Outlook monitor. When I accelerate even moderately (with or without the camper), it will often "hang" in 2nd (or maybe its 3rd) and then slam into the next gear. The tranny is a 5r100. When I set the Outlook back to stock, The problem seems to be better, but stock obviously doesn't lean as hard on the trans.
I used to have a Bully Dog Power Pup that I could set to run stock shifting only, but when I try that with the 3Dog, it still seems to run their "firm" shift program.
Thoughts or ideas?
Senior User
Joined: Aug 2007
Posts: 469
Likes: 1
From: lake park, MN
One word, BULLYDOG. If you do some searching on this forum youll find these have been tearing up these trannys and motors like candy. My advise, SELL IT! put it on ebay and give matt at spartan a call. This is the only proven and safe tuner for these trucks and from what I understand, Matt it the guru on the programing on these motors. It is 100% worth it and im sure almost anyone on this forum will tell you the same. Good luck!
Id check into changing back to the stock filter too, they filter better than most aftermarkets and are good for about 500 ponies
Id check into changing back to the stock filter too, they filter better than most aftermarkets and are good for about 500 ponies
Last edited by denman81; Sep 27, 2007 at 11:04 PM.
Posting Guru
Joined: Jul 2005
Posts: 1,617
Likes: 4
From: Denver, Co
Many of the aftermarket performance chips & tuners are almost famous for being more detrimental then beneficial in how they control the 6.0L and TorqShift. Spend some time, do some research, and look through the many, many, many threads here in the 6.0L forum and up in the more general Super Duty forum.
