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I was at my HD dealer today and just mentioned about thinking of putting a Stage 1 kit with a power commander on. He told me not to do it. He said it only fools the onboard computer and is not good for the system plus there is alot of things to try and stuff under the seat. He said that I should put on race tuner with the stage one because it works with the computer. I am comfused on what to do because of all the good things I read on hear about fuelmoto products. The price of theirs is more than twice of the fuelmoto setup.I am wondering if it is just HD policy to say this since it is an aftermarket product. Any thought on this would be appreciated
Your dealer is full of sh*t. \\; Thousands of riders have a PC111 and are perfectly happy with it. \\; Race tuner is fine too if you want to pay twice the price. The advantage of the race tuner is a good dyno man can \\;fine tune \\;the settings for your type of riding. \\;Don't forget with the race tuner you're gonna need some dyno time to get it right.
The SERT, or SEST now, I guess, will directly program the stock computer. That would be the absolute best thing to do if you can get someone to properly do the programming. The PC-III only fools the computer into thinking the target Air/Fuel calculations are always correct, but in the process throws away a good feature of the computer - Adaptive Fueling. But that is okay since that is the way the factory computers all ran until 2007. The PC-III will then alter the computer outputs to the fuel injectors to do exactly what you want them to do and when to do it. It will also allow you to modify the ignition timing, as well raise the rev-limiter, which most every (all?) other piggyback units cannot do.
It is the next best thing to reprogamming the stock computer. At half the cost. Everything else the stock computer can do it will still do just the way it always did.
Since the SERT is a competitive product to PCIII you're rarely going to find a HD dealer who will recommend PCIII. As stated, many thousands of bikes running PCIII and I've yet to hear of a problem caused by it. My local dealer told me it's a potential point of failure as compared to the SERT which reprograms the stock EFI tables. Can PCIII fail? Possibly, but so can your stock EFI module. In case PCIII fails just unplug it and you're back to stock.
Just installing slip-ons, and not re-mapping the ECU in some fashion, works better on the current-generation EFI than on the previous versions, but it is still not ideal. I would not recommend doing it, based on experience of having done it.
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