N54 Stock DME Flex Fuel
- Thread starter Jake@MHD
- Start date
Yes, i know this, supid laws.
And you have a message.
It´s nice to hear that this system works so good.
But it`s a pity, that in europe not many people use this option.
I don't think you need to buy the ethanol map packs. You need the flex fuel maps which are different. They have the ethanol and normal gas tables mixed together. The ethanol maps are only for ethanol and if you use them you cannot use gasoline. Contact jyamona on spoolstreet to get instructions on v8 maps which are true flex fuel maps.
They are talking about "+ the ethnaol mix pack".
But I will get more information.
https://www.facebook.com/MHDtuning/...oud-to-announce-the-next-le/2110988995829753/
But I will get more information.
https://www.facebook.com/MHDtuning/...oud-to-announce-the-next-le/2110988995829753/
Hello. I'm sorry to jump in the middle.. no joke. First time posting to a forum. Long time reader. How do you enable flex fuel in mhd. .... Is v8 beta... Do you select a regular pump map on your stage? I was told to enable flex fuel... I don't see fired fuel anywhere.. again I apologize for jumping in threads.. New to forums. Thanks!
To use OTS flex fuel maps in MHD you need to have a v8 pump gas map pack, the v8 ethanol map pack, flasher license (obviously), and the flex fuel module.
Then simply flash a v8 pump gas map, and it will be converted to a flex fuel map automatically.
Then simply flash a v8 pump gas map, and it will be converted to a flex fuel map automatically.
I still wanted to say thank you for the great help.
You are great guys.
You are great guys.
Yeah I asked but just in case they don't get to me before the morning when I drive to work. If I have the PI and FF controllers hooked up. Can I just remove the ground from the AIC and unplug the FF module and run a 93 only flash if I wanted? Didn't know if I had to completely unhook everything.
if you don't want the PI on running 93. just unplug the ground. As far as the FF woking with the PI, it was said before that it would work with PI, however (Jake you can correct me if im wrong), the FF module only sends the boost pressure reading to the AIC. The AIC1 and AIC6 do not have provisions for and input to reduce PI dynamically. SO if your 93oct map is running only a couple PSI less than your Ethanol map, chances are the PI will still fire. Unless i missed a connection or feature of the FF that would reduce the PI.
Alternatively, you can just run map B at ZERO. but that would require a connection to switch maps.
The above is why i only sell AIC2 PI controllers. the AIC1 and AIC6 are outdated with minimal fetures. I tune them if clients have them, but i do not recommend them when they dont have it already. AIC2 has ethanol compenation so all you need to do is feed the Ethanol output wire to the AIC2 and set the tune up properly. and the PI will adjust dynamically with E-content.
However, if im wrong about what i said above about the FF with PI functionality, Jake, please do correct me.
EDIT: if you have the FF module, why would you unplug it to run 93oct? just unplug PI ground and it wont turn on.
The Motiv ECA will appropriately scale the boost signal sent to the AIC based on your ethanol percentage. This requires that you hooking those ECA wires obviously. And unless you are doing something really bone-headed in your AIC map, it should work fine.
I may have not explained what i was saying properly. So your saying the FF module Artificially lowers the boost reading sent to the AIC? For instance, hypothetically speaking.
-Full E85 tune at 20psi across the board for 13deg timing to take advantage of the timing
-93oct side of the FF tune still 20psi with less timing due to the octane reduction
Boost is the same on both ends. Does the FF module auto reduce boost voltage sent to the boost feed of the AIC to reduce PI injection based on E content, or is it just sending the boost pressure reading to the AIC. The AIC1 and AIC6 only works off of RPM and Boost. so obviously, less fuel is needed for 20psi on 93oct than full E85.
Just want to make sure im explaining what im asking appropriately. and understand what you are saying.
If you are running 20psi in your E85 tune and 20psi in your 93oct tune, and using the "Boost" wires on the Motiv ECA (hooking this up to AIC), yes it will send a lower psi to the AIC when running 93oct.
The actual scaling is something proprietary I came up with during testing, but the goal was to get it down low enough where it should fall into an AIC column where little to no PI will be needed at very low E percents like you find in normal 91/93 oct. It also handles all blends in between.
The actual scaling is something proprietary I came up with during testing, but the goal was to get it down low enough where it should fall into an AIC column where little to no PI will be needed at very low E percents like you find in normal 91/93 oct. It also handles all blends in between.
