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Discussion on AFR tables
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Take_Time
Posted 2011-06-14 12:19 PM (#88832)
Subject: Discussion on AFR tables


Puddle Jumper

Posts: 10
Finally got the PCV and Autotune installed and working. I've downloaded from Dynojet the map that corresponds to my setup (CFR pipes, stock air filter). One thing I noticed is that the AFR tables are the same regardless of which map I look at(i.e. other bike setups included in my download).

I understand the basic premise regarding autotune trim levels and matching the settings in the AFR table. My questions are:

1) are we sure that the values in the dynojet provided tables are the best values to use?
2) if we wanted to change certain cells or range of cells in the AFR tables, how do we determine what those
values should be?

I haven't been able to take the bike out yet(damn rain) but can anyone tell me if there is any type of graphing provided by the PCV that shows before/after tuning graphs?

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ScoreBo
Posted 2011-06-14 2:35 PM (#88852 - in reply to #88832)
Subject: Re: Discussion on AFR tables


Iron Butt

Posts: 1117
Northeast Ohio
Take Time, I am going to watch your thread closely. PCV and AutoTune will be my next mod. I would love to know ideal AFR values too. My tuning is limited to turbocharged car applications and the loaded AFR values are lower than that of a naturally aspirated vehicle, let alone a air-cooled motor.
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Webhair
Posted 2011-06-15 2:42 PM (#88919 - in reply to #88832)
Subject: Re: Discussion on AFR tables


Iron Butt

Posts: 669
Peachtree City, GA
When I was running the PCV and the Autotune... Range was from 13.0 to 13.5 that I was using... Now I have the unit sitting in a drawer... I should sell it...

I have been very happy with my VFC-III and the current combination that I am running.

I too am interested to see where this thread goes. Thanks for starting it.


Edited by Webhair 2011-06-15 2:43 PM
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4speed
Posted 2011-09-06 10:06 PM (#95911 - in reply to #88852)
Subject: Re: Discussion on AFR tables


Puddle Jumper

Posts: 16
Regina Sask. Canada
Hi all so lets start this one,this is how I set My BIC. the first3 sells and at -5 to lean out the idle and start up at lower rpm and throttle is set to 13.5arf and in the middle 13.8 and at cruising speeds 14.00
and hire rpm 13.8 and 13.9
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paulhu
Posted 2011-09-07 3:02 AM (#95915 - in reply to #88919)
Subject: Re: Discussion on AFR tables


Cruiser

Posts: 132
Durango, Colorado

Webhair - 2011-06-15 1:42 PM When I was running the PCV and the Autotune... Range was from 13.0 to 13.5 that I was using... Now I have the unit sitting in a drawer... I should sell it... I have been very happy with my VFC-III and the current combination that I am running. I too am interested to see where this thread goes. Thanks for starting it.

     Weblocks, Do you remember your VFC-III settings? I'd be curious to know as

i have the same mods as you and have not yet had an opportunity to dyno. (local

HD hog pen refused to allow the bike in the shop) THX! paulhu

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Webhair
Posted 2011-09-07 6:40 AM (#95918 - in reply to #95915)
Subject: Re: Discussion on AFR tables


Iron Butt

Posts: 669
Peachtree City, GA
paulhu - 2011-09-07 4:02 AM

Webhair - 2011-06-15 1:42 PM When I was running the PCV and the Autotune... Range was from 13.0 to 13.5 that I was using... Now I have the unit sitting in a drawer... I should sell it... I have been very happy with my VFC-III and the current combination that I am running. I too am interested to see where this thread goes. Thanks for starting it.

???? Weblocks, Do you remember your VFC-III settings? I'd be curious to know as

i have the same mods as you and have not yet had an opportunity to dyno. (local

HD?hog pen?refused to allow the bike in the shop) THX! paulhu



Unfortunately I do not off hand I am laid up for a few weeks and can not take a look...

I did install the masters rev extend ECU and had him tune it so unless you have that in yours it may not be the same...

Yes I still have the PCV and Autotune set up sitting in a drawer... every once in while I think about reinstalling it and seeing what else I can do with it... But then again why mess with something that is running really well???

So I guest the question comes back to should I sell it?
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MaddMAx2u
Posted 2011-09-07 7:45 AM (#95927 - in reply to #88832)
Subject: Re: Discussion on AFR tables


Iron Butt

Posts: 880
Orlando, FL
Amazing how quickly we get off topic. Ok, PC-V and Autotune. I have the PC-V, CFR and stock air filter. Will be adding Autotune and Big air kit soon, and I may pull the cats (yes, I know about the loss of low end torque...happens with all true duals). I too would be very curious to understand the in's and out's of changing the AFR for best performance.
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