AFR Table questions
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Seasoned HDF Member
Joined: Sep 2008
Posts: 14,160
Likes: 11,249
From: San Diego, CA
AFR Table questions
I'm no expert, but I'm learning. I have a Powervision and have used it on 3 bikes: '03 Softail, '12 Limited, '15 Street Glide.
I've got tune flashing and basic auto tuning down, and I am getting ready to step up to the Auto Tune Pro. I've read about how to dial in the VE tables and then the spark tables with the Auto Tune Pro.
I will be updating the '03... new exhaust (w/ 18mm O2 bungs), new cam. Although the cams are close, I'm pretty sure they would have a different AFR table.
I know that pro & basic dial in the VE tables, which affects the accuracy of the commanded AFR from the tables....... But unless I've missed it, I don't remember seeing anything about how/if Auto Tune Pro actually changes the AFR table?
My questions: How to I get a proper AFR table for my new cam profile? Does/can the Auto Tune Pro change the AFR table itself during the tuning process or do I need to start with a MAP for my engine/mods, before tuning it to my specific engine.
Thanks for any guidance.....
I've got tune flashing and basic auto tuning down, and I am getting ready to step up to the Auto Tune Pro. I've read about how to dial in the VE tables and then the spark tables with the Auto Tune Pro.
I will be updating the '03... new exhaust (w/ 18mm O2 bungs), new cam. Although the cams are close, I'm pretty sure they would have a different AFR table.
I know that pro & basic dial in the VE tables, which affects the accuracy of the commanded AFR from the tables....... But unless I've missed it, I don't remember seeing anything about how/if Auto Tune Pro actually changes the AFR table?
My questions: How to I get a proper AFR table for my new cam profile? Does/can the Auto Tune Pro change the AFR table itself during the tuning process or do I need to start with a MAP for my engine/mods, before tuning it to my specific engine.
Thanks for any guidance.....
Last edited by hattitude; Oct 15, 2015 at 11:32 AM.
Road Warrior
Joined: Jul 2012
Posts: 1,566
Likes: 55
From: Londonderry, NH
I'm no expert, but I'm learning. I have a Powervision and have used it on 3 bikes: '03 Softail, '12 Limited, '15 Street Glide.
I've got tune flashing and basic auto tuning down, and I am getting ready to step up to the Auto Tune Pro. I've read about how to dial in the VE tables and then the spark tables with the Auto Tune Pro.
I will be updating the '03... new exhaust (w/ 18mm O2 bungs), new cam. Although the cams are close, I'm pretty sure they would have a different AFR table.
I know that pro & basic dial in the VE tables, which affects the accuracy of the commanded AFR from the tables....... But unless I've missed it, I don't remember seeing anything about how/if Auto Tune Pro actually changes the AFR table?
My questions: How to I get a proper AFR table for my new cam profile? Does/can the Auto Tune Pro change the AFR table itself during the tuning process or do I need to start with a MAP for my engine/mods, before tuning it to my specific engine.
Thanks for any guidance.....
I've got tune flashing and basic auto tuning down, and I am getting ready to step up to the Auto Tune Pro. I've read about how to dial in the VE tables and then the spark tables with the Auto Tune Pro.
I will be updating the '03... new exhaust (w/ 18mm O2 bungs), new cam. Although the cams are close, I'm pretty sure they would have a different AFR table.
I know that pro & basic dial in the VE tables, which affects the accuracy of the commanded AFR from the tables....... But unless I've missed it, I don't remember seeing anything about how/if Auto Tune Pro actually changes the AFR table?
My questions: How to I get a proper AFR table for my new cam profile? Does/can the Auto Tune Pro change the AFR table itself during the tuning process or do I need to start with a MAP for my engine/mods, before tuning it to my specific engine.
Thanks for any guidance.....
If you have access to a map for your configuration, then use it. It's the best way to tune.
You can adjust AFR's manually if you have a feel for what you're doing. It works like carb tuning. Make changes and go for a test run to verify results. I've done it and it's tedious because you have so many cells to adjust, but it can be done. I worked with blocks of cells for various ranges and the results were pretty good, but it takes a lot of test rides and lots of changes.
Fuel Moto supplies the best base maps. DynoJet is also pretty good about supplying base maps. Give them a try if you're not a Fuel Moto customer.
Thread Starter
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Seasoned HDF Member
Joined: Sep 2008
Posts: 14,160
Likes: 11,249
From: San Diego, CA
Auto Tune Pro works with VE's and timing, but it will not adjust AFR's.
If you have access to a map for your configuration, then use it. It's the best way to tune.
You can adjust AFR's manually if you have a feel for what you're doing. It works like carb tuning. Make changes and go for a test run to verify results. I've done it and it's tedious because you have so many cells to adjust, but it can be done. I worked with blocks of cells for various ranges and the results were pretty good, but it takes a lot of test rides and lots of changes.
Fuel Moto supplies the best base maps. DynoJet is also pretty good about supplying base maps. Give them a try if you're not a Fuel Moto customer.
If you have access to a map for your configuration, then use it. It's the best way to tune.
You can adjust AFR's manually if you have a feel for what you're doing. It works like carb tuning. Make changes and go for a test run to verify results. I've done it and it's tedious because you have so many cells to adjust, but it can be done. I worked with blocks of cells for various ranges and the results were pretty good, but it takes a lot of test rides and lots of changes.
Fuel Moto supplies the best base maps. DynoJet is also pretty good about supplying base maps. Give them a try if you're not a Fuel Moto customer.
I got my powervision and will get my auto tune pro from Fuelmoto, just to have access to their maps....... but they admit that they don't have a lot of maps on combinations for early twin cams.....
Road Master
Joined: Aug 2014
Posts: 1,035
Likes: 39
From: Olive & Oak
After you get your TT installed, with a TT enabled map, runs some Autotune TT sessions. Send the logs to FuelMoto and they will be able to tell if and where the AFR table needs to be adjusted.
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