EFI mapping

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Vance and Hines FuelPak3

Q: My question is about the Vance and Hines FuelPak3. I own a few bikes, but my question is does the FULPAK3 work on a 2013 CVO Breakout? I have spoken to more than one HD shop and they said it would. I have also seen on websites maps and installs on 2012’s and 2014’s…

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Harley Davidson EFI Fuel Leak

Q:Howdy,I was coming back from the mountains Sunday on my 2003 Ultra Classic when all the sudden she died. I got her home, flatbed, got her in the garage and took the air filter off, turned the switch on and fuel started rennin out of the throttle body, which would have run into the air…

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EFI Mapping

I want to know about EFI Mapping. I have a V and H fuel pack right now, should I get a Power Commander or Race tuner, or keep what I have? I have V and H true duel exhaust on a 2006 eglde classic. The fuel pack is actually a pretty decent basic system that…

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Remap My EFI After New Exhaust?

Do I remap my EFI after new Exhaust? Via Email From Our Friends at DynoJet: One big question is about re-mapping after changing the exhaust. Some say do it, other’s say it’s not necessary. More does than do not. Do I need to remap if I change aftermarket exhaust for another aftermarket exhaust? The work…

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Two Ways to Map an EFI?

I have been told that there are two ways to map an EFI. One being to actually change the mapping of the ECU by getting a flash download. The other way is to use a piggy-back modem type device that allegedly alters the signals that are being received by the actual ECU. Provided that this…

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Power Commander III Ratio

I have a Power Commander III that I map using the data output from a Twin Scan+. Should I be trying for a 13.2 A/F ratio in every cell, or are there ranges that should be richer or leaner than that?   Our Friends at DynoJet had this to say: If you are looking for…

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EFI Mapping and New Exhaust?

I had pretty much given up on buying a new HD and decided to keep my 02 Road Glide and 05 Road King Classic forever but the new 2007 HDs are pretty nice. My question has to deal with EFI mapping and new exhaust systems. I have Reinhart Exhausts systems on both of my bikes.…

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