Question for all the tuners out there. - Road Glide Forums
ECM/Fuel Management systems ECM/Fuel Management systems For Road Glides

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post #1 of 3 (permalink) Old 07-04-2017, 02:54 PM Thread Starter
Cat Mech's Avatar
Join Date: Jul 2013
Location: Magna Utah
Posts: 114
Question for all the tuners out there.

I have a 2013 RGU. Fullsac head pipe, CFR Mufflers, Screaming Eagle Big Sucker intake, Andrews 57H cams, And Thundermax tuner.
I am trying to find a good Air Fuel Ratio target number for a good all around set up. I would like good power and decent fuel mileage. All ideas will be appreciated.

Thanks in advance

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post #2 of 3 (permalink) Old 07-04-2017, 08:38 PM
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Location: New York
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Cat Mech, I have a 2012 Roadglide Custom with similar upgrades as yours and I contacted Thundermax and was advised to try Map 333 for a base map.
Send Thundermax a email or give them a call. They're very helpful.
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post #3 of 3 (permalink) Old 07-05-2017, 11:24 AM
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When I used a Thundermax I believe all the base maps had the afr set around 12. I bumped it up to around 13.5, it increased the mpg and the bike still ran good. HD sets the afr around 14.7 so you can go as high as 14 if you want.

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