fp3 setting???
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Tourer
Joined: Apr 2008
Posts: 439
Likes: 3
fp3 setting???
Its a balmy 59° in Buffalo today so I washed my Limited for the first time and realized there's a lot more to dry than a lowrider or springer softail. But back to my post. I played around with my fp3 afterwards because I got a new phone and wanted to try it out on this phone. I looked at the fuel Afr tables. Has anyone changed these? I think mine were set to 14.5 but thought 13.8 was ideal. Should I change and outo tune or leave alone. Bone stock right now but I have a screamen eagle air filter and a Vance and Hines's pro pipe waiting to be installed.
Outstanding HDF Member
Joined: Mar 2014
Posts: 2,452
Likes: 23
From: Michigan
Entirely up to you, but personally if your getting ready to make some changes I would wait and run auto tune. Unless you want to just play around with it, but you will be making changes anyways.
Road Captain
Joined: Apr 2011
Posts: 612
Likes: 0
From: kansas
AF (air fuel ratio) is constantly changing all the time. Rarely is the bike at a set AF ratio unless its in "closed loop" o2 sensors are heated up and switching back and forth past .500 mv and you are at a set cruise speed with the cruise control set for instance. And even then its changing in small increments.
Having said that you cant really exactly change AF ratio at any given point/parameter you can only hope to get it to its best point based off you bike weight, riding style, elevation, engine temp ambient temp, throttle aggressiveness etc... that's what's cool about the autotune and that's what it's best at. YOU and YOUR bike it watches the o2 sensors and tweaks things according to you your style, weight, temp, elevation etc...
For example you could autotune your bike with a 300 lb guy on it in florida and Nebraska with a 200lb guy on it its not tuned right (still gonna be in the ballpark but you know what I mean)
In your case I would call vance and hines FP3 department an tell them what you have currently and what you are going to have later and they will get you 2 tunes one for each. Hope that wasn't all over the place,,,,,,, I feel like a drunk guy telling stories about the first P.O.A when I get into tech stuff. take care, paul
Having said that you cant really exactly change AF ratio at any given point/parameter you can only hope to get it to its best point based off you bike weight, riding style, elevation, engine temp ambient temp, throttle aggressiveness etc... that's what's cool about the autotune and that's what it's best at. YOU and YOUR bike it watches the o2 sensors and tweaks things according to you your style, weight, temp, elevation etc...
For example you could autotune your bike with a 300 lb guy on it in florida and Nebraska with a 200lb guy on it its not tuned right (still gonna be in the ballpark but you know what I mean)
In your case I would call vance and hines FP3 department an tell them what you have currently and what you are going to have later and they will get you 2 tunes one for each. Hope that wasn't all over the place,,,,,,, I feel like a drunk guy telling stories about the first P.O.A when I get into tech stuff. take care, paul
Tourer
Joined: Sep 2011
Posts: 290
Likes: 5
From: Rosenberg
There is a canned tune for the stock bike on the FP3. I'd start off with that, and then run autotune if you feel you need it. I used the tune for stock pipes and a high flow AC for a while before I got my Rush exhaust installed, and I was very happy with it.
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