Taming a Stage IV
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Grand HDF Member
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From: Toledo ohio
Taming a Stage IV
My boss has an 06 Ultra bought used. Supposedly a dealer installed stage IV, the original owner don't remember much about it and doesn't have the orange key for the SERT. It buck and stumbles at low RPM but has a lot of power on the top end. He hates the low end. The current dealer said without the orange key he can't get into the SERT and make changes so they recommend a FP3.
I think he should find an Indy and change out the cams to something more streetable, then he can recommend a tuner that he is familiar with. What are any thoughts for anyone that went through this scenerio.
I think he should find an Indy and change out the cams to something more streetable, then he can recommend a tuner that he is familiar with. What are any thoughts for anyone that went through this scenerio.
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From: OH
The stumbling definitely points to the tune but the lack of low end could very well be a screwed up build with the wrong cam. Without pulling it apart it's a crap shoot.
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From: Lake, Ms
Originally Posted by todd-67
I agree but without knowing what was in the build cam and other components you are somewhat shooting in the dark on what base map to even start from.
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From: Lake, Ms
Originally Posted by Magnut1
He has had it to the dealer 3 times and they said without the orange key or whatever, they can't retune it for some reason.
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Grand HDF Member
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From: Toledo ohio
The dealer thought it was the O2 sensor port, not close enough to the head, they welded new bungs in and didn't fix it and they threw their hands in the air and said if you can get the orange key, we can do something, then never pulled the top cover to check the cams. Records from original Owner are lost.
so the conseses looks like try the FP3 .. let it auto tune and see what happens, then if still not happy.. put in milder set of cams and try that. or buy a new bike and forget about the headache.
so the conseses looks like try the FP3 .. let it auto tune and see what happens, then if still not happy.. put in milder set of cams and try that. or buy a new bike and forget about the headache.
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From: OH
Are you 100% on that. I know our dealers here don't have databases that cross into the other dealers. If this was work done under the guise that the moco was picking up the warranty than maybe but up until recently an HD dealer, at least the ones I am privy to would install anything you wanted and a lot of them recommended going with non-HD cams. Not saying your wrong at all. It's just a question.
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Joined: Mar 2017
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From: Jarrettsville, MD
Thinking that autotune is going to fix the problem is wishful thinking. My experience with the FP3 is unless your base tune is awful close, autotune is worthless. I'm pretty sure your experience with any auto tuner using the narrow band O2 sensors will be the same.