Download???
Seasoned HDF Member
Joined: Dec 2004
Posts: 7,934
Likes: 43
From: Bloomfield, NM
If you increase air flow with free flowing exhaust and free flowing intake, You are going to go lean unless you add fuel. That is just a fact of life.
I had pipes and intake and depended on the factory ECM to adjust fuel enough. It did not, based on the increased engine heat, detonation and engine going into heat management mode on occasion.
Whether or not there was enough increased heat to cause valve or piston top damage or burn plugs I don't know, but it was certainly enough to making riding uncomfortable.
Power Commander V added fuel, and the heat went down, pinging stopped and bike is much smoother. Don't know if that is proof or not, but I'm convienced that it was 300.00 well spent.
Bill
I had pipes and intake and depended on the factory ECM to adjust fuel enough. It did not, based on the increased engine heat, detonation and engine going into heat management mode on occasion.
Whether or not there was enough increased heat to cause valve or piston top damage or burn plugs I don't know, but it was certainly enough to making riding uncomfortable.
Power Commander V added fuel, and the heat went down, pinging stopped and bike is much smoother. Don't know if that is proof or not, but I'm convienced that it was 300.00 well spent.
Bill
Last edited by billnourse; Oct 24, 2012 at 07:20 AM.
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Joined: Oct 2007
Posts: 4,108
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From: New England
There's a HUGE difference between a fuel management system and tuning system. Most fuel mgt systems do nothing to address any changes in VE's, enleanments, enrichments, timing, temp corrections, and EGR tables to name a few.
Hey, it's your bike and only you can determine how well you want it to perform or last even in a completely (or nearly so) stock configuration.
Seasoned HDF Member
Joined: Jan 2011
Posts: 157,551
Likes: 57,095
From: Michigan 15 Minutes East Of Hell
Hey "Heo" ... as stated earlier, there are more "Expert Opinions" ( mine included ) on this subject than you can shake a stick at ... However, I would guess that before you're through "modding" your new scooter you'll probably do something else that will affect it's tune ... You've got a $20,000.00 scooter, don't cut a corner on getting your AFR ( Air Fuel Ratio number ) where it should be ... The HD Download is a "compromise" between the stock settings ( which can be adjusted minimally through the ECM by means of voltage readings from the O2 Sensors ) and "almost" perfect ratios when tuned by a competent tuner who uses an EGA ( Exhaust Gas Analyzer ) . I have an 09 FLHTCU which had the HD Download ( @ $150.00 ) and wish that I would have spent the extra dollars for a ( my choice now ) Power Commander V in the beginning ... Hope this helps ... Good Luck Brother!
Last edited by Uncle Larry; Oct 24, 2012 at 04:27 PM.
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Joined: Oct 2012
Posts: 15
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From: Texas
After doing some research and taking some advice from UNCLE LARRY and others, I have decided to go with the Power Commander V.
I bought it today from FuelMoto...great service!!!
Thanks everyone!
I bought it today from FuelMoto...great service!!!
Thanks everyone!
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