Decel Popping - PC III USB or Fuelpak or? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 13 (permalink) Old 09-25-2011, 07:27 PM Thread Starter
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Decel Popping - PC III USB or Fuelpak or?

I've got a 2005 Road King with stage I A/C and V&H turndowns that gives a lot of popping on deceleration. Most of my riding is at 7,500 to 8,500 ft elevation. I'd like to see if I can minimize the lean condition without a long trip to the dealer.
Checking the forums it seems like real good reviews of the TTS Mastertune but I can't swing the price. If you had to stay under a total of $300 what would your experience recommend for a tuner?
Thanks.
Ed
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post #2 of 13 (permalink) Old 10-04-2011, 03:58 AM
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Dynotek Power Commander III USB, Vance & Hines Power Pack, Cobra Fi2000R Digital Fuel Processor, Arlen Ness Big Shot II, Daytona Twin Tec, and the list goes on. They all adjust AFR and cost under $300 if you shop around. I have the Power Commander and it works real well on my 2008 Softail Custom with Stage 1 air cleaner and Cobra 2:1 exhaust. I ride over the Cascades and Rockies every summer without a pop!
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post #3 of 13 (permalink) Old 10-04-2011, 12:46 PM
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You can also use the PC V. I was told by Dynojet it alls will work on the 05's, they just don't advertise that. It is smaller than the PC III. I got mine for less than 3 bills.

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post #4 of 13 (permalink) Old 10-08-2012, 05:36 PM
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Are Cobra Fi2000 for a 2005 ultra classic any good?
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post #5 of 13 (permalink) Old 11-28-2012, 10:26 AM
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Cobra are a different type of system. While the others run off the bikes ECM the cobra connects to the fuel injectors and monitors the injectors with its own computer You have to get in under the tank to install.


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post #6 of 13 (permalink) Old 11-28-2012, 10:49 AM
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Have you checked for exhaust leaks?

While adding pipes and an open air filter, it will in fact cause a lean issue, but I'd imagine that being at your elevation, may make up for it a little, as the air is less dense, and the bike would run richer.

I'm a huge fan of the TTS system, but it will require the addition of bungs for the O2 sensors.

Dobeck makes a simple tuner that adds fuel in the idle, mid and top end ranges, that although isn't as accurate or precise as the TTS or other units, it's also not as expensive.

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post #7 of 13 (permalink) Old 11-28-2012, 02:00 PM
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Power vision tuner from dyno jet. will auto tune bike
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post #8 of 13 (permalink) Old 11-28-2012, 02:05 PM
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Quote:
Originally Posted by phrogchief View Post
Power vision tuner from dyno jet. will auto tune bike
Agreed. Powervision, ThunderMax, and the PCV with the add-on will all do that.....

$$$$$ though.

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post #9 of 13 (permalink) Old 11-28-2012, 02:43 PM
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Quote:
Originally Posted by Dave63 View Post
Have you checked for exhaust leaks?
exhast leak is the only time ive had any decel poppin
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post #10 of 13 (permalink) Old 11-28-2012, 02:45 PM
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Quote:
Originally Posted by HopperHB View Post
exhast leak is the only time ive had any decel poppin
Well.....with the pre-2009 models, the rear cylinder is the usual suspect for leaks. Difficult to hear due to location and for some reason, I find more there, than the front.

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