Tuning with an AFR gauge
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6th Gear
Joined: Feb 2009
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Tuning with an AFR gauge
So, has anyone out ther built their own map with an AFR gauge. I use an Innovative Motorsports gauge, It rocks.I run at 13.2 at idle for cool engine in traffic. I cruise at 14.7 2000-2500 rpm and when I jump on her she runs at 13.6 for peak power. I have a 103" w/Andrews 37's and my own ported heads,and believe it or not I get about 50 mpg with 100hp and 100tp, if I drive somewhat sane. Just wondered if anyone else has used this method and tired of the 2 bills for a dyno tune. I use an powercommander so its pretty easy to tinker with.
Cruiser
Joined: Jun 2008
Posts: 223
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From: NORCAL CENTRAL VALLEY
Yes, just not on my Harley. I have a tacoma that i turbo charged and used the wide band 02 connected to my laptop to tune. worked real well, but i don't have anywhere to put my laptop on my bike....?
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
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From: Baton Rouge, LA
So, has anyone out ther built their own map with an AFR gauge. I use an Innovative Motorsports gauge, It rocks.I run at 13.2 at idle for cool engine in traffic. I cruise at 14.7 2000-2500 rpm and when I jump on her she runs at 13.6 for peak power. I have a 103" w/Andrews 37's and my own ported heads,and believe it or not I get about 50 mpg with 100hp and 100tp, if I drive somewhat sane. Just wondered if anyone else has used this method and tired of the 2 bills for a dyno tune. I use an powercommander so its pretty easy to tinker with.
I've recently gone to a PCV with Auto-Tune which does the same thing and more, allowing me to specify target AFR's. I have 14.7:1 for cruise, down to 13.0 at WOT--mostly transitional values in between. Idle is set to open-loop and runs about 14.0. Mileage is like yours, up to 50mpg at sane speeds and light on the throttle.
Last edited by iclick; Feb 11, 2009 at 10:24 PM.
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Feb 11, 2009 08:41 PM
