Flex Fuel testing in TephraXMOD V3
Feb 9, 2016, 04:44 PM
#126
That kit looks awesome and easy to install. I went the DIY route. I'll have to splice all the wiring and fuel lines myself. I bought this ECA:
http://www.n54tech.com/forums/showthread.php?t=32356
It should arrive tomorrow. I got package B: $70.
I bought a 13577429 Continental fuel composition sensor off ebay: $49.75
Dorman 800-085 Fuel Line Quick Connector - 2 Piece off Amazon: $7.57
Tephra e-mailed V3 to me 3 days ago for my 2010 USDM SE.
http://www.n54tech.com/forums/showthread.php?t=32356
It should arrive tomorrow. I got package B: $70.
I bought a 13577429 Continental fuel composition sensor off ebay: $49.75
Dorman 800-085 Fuel Line Quick Connector - 2 Piece off Amazon: $7.57
Tephra e-mailed V3 to me 3 days ago for my 2010 USDM SE.
Feb 9, 2016, 05:38 PM
#127
yeah there are some nice kits coming out...
keep in mind you have a number of connection options:
- Rear02 - 5v analog (for USDM guys that want to keep the EVAP system untouched
- Fuel Tank Pressure - 5v analog (for guys that want to use the Rear02 for logging AFR, and either dont have EVAP (AUDM) or dont mind splicing in (USDM)
- CANBUS - digital (in the final stages of being developed by our Finnish friends)
keep in mind you have a number of connection options:
- Rear02 - 5v analog (for USDM guys that want to keep the EVAP system untouched
- Fuel Tank Pressure - 5v analog (for guys that want to use the Rear02 for logging AFR, and either dont have EVAP (AUDM) or dont mind splicing in (USDM)
- CANBUS - digital (in the final stages of being developed by our Finnish friends)
Feb 9, 2016, 08:03 PM
#130
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Hey guys, I run FlexConverter.com. Im excited to finally have a full kit available and I think I was able to keep the price fairly reasonable as well!
As a rom developer myself (subaru), I realize how much work goes into adding features like this to the stock ecu code. Big thanks to David for making flex fuel possible on the EVO X! Im hoping my kit can make it that much easier to make the switch to flex fuel. Ive tuned a fair amount of cars on flex this past year and its a pretty amazing concept. Its awesome to simply drive up to a gas pump, pump a different fuel in, and drive away with 100+ more horsepower.
One snag that I did come across is that the AUDM EVO X doesn't have the fuel tank pressure connection like USDM cars. Because of this, my kit is USDM only right now. Im working on a simple solution for AUDM guys though so hopefully I can get that figured out soon.
@razorlab, I was able to tap into the evap purge valve 12v source for the plug-and-play. This worked out perfectly as this is an MFI relay switched 12v and its fairly close to the fuel pump sender. I use the fuel tank pressure sensor ground so as to have a clean sensor ground which reduces the possibility for voltage offset from the module to the ECU.
Thanks!
Jason
As a rom developer myself (subaru), I realize how much work goes into adding features like this to the stock ecu code. Big thanks to David for making flex fuel possible on the EVO X! Im hoping my kit can make it that much easier to make the switch to flex fuel. Ive tuned a fair amount of cars on flex this past year and its a pretty amazing concept. Its awesome to simply drive up to a gas pump, pump a different fuel in, and drive away with 100+ more horsepower.
One snag that I did come across is that the AUDM EVO X doesn't have the fuel tank pressure connection like USDM cars. Because of this, my kit is USDM only right now. Im working on a simple solution for AUDM guys though so hopefully I can get that figured out soon.
@razorlab, I was able to tap into the evap purge valve 12v source for the plug-and-play. This worked out perfectly as this is an MFI relay switched 12v and its fairly close to the fuel pump sender. I use the fuel tank pressure sensor ground so as to have a clean sensor ground which reduces the possibility for voltage offset from the module to the ECU.
Thanks!
Jason
Feb 10, 2016, 02:24 AM
#131
^ RE AUDM FTP... the wiring isn't there obviously, but the PIN is free on the ECU... so its easy to wire in, AND you dont need to disable evap at all, because AUDM doesn't have any 
also guys - im processing requests as fast as possible, so dont get worried if I dont reply to you in a couple of days
also guys - im processing requests as fast as possible, so dont get worried if I dont reply to you in a couple of days
Feb 12, 2016, 08:30 PM
#135
^ soon ... actually can you email a stock version of 56920008?
I just sent the first 53050012 (2008-2010 EDM/AUDM MR) out, so hopefully that will be ready for primetime soon
edit - I just sent out the first 56890013 (2011 USDM GSR) out as well...
so, need to work out whats next, i am actually thinking a RA rom... keep our cousins happy (A bit :P)
... actually can you email a stock version of 56920008?I just sent the first 53050012 (2008-2010 EDM/AUDM MR) out, so hopefully that will be ready for primetime soon
edit - I just sent out the first 56890013 (2011 USDM GSR) out as well...
so, need to work out whats next, i am actually thinking a RA rom... keep our cousins happy (A bit :P)
Last edited by tephra; Feb 13, 2016 at 12:02 AM.