Can't post tune right now, will do later.
I added flex fuel to my G8. I set the stoich table appropriately, and did the transient fueling blend modes. I also copied the fuel density table from 2009.5 G8 to account for the alcohol content.
I am running an E50 blend and I am seeing 20+ mpg on my DIC (no way this is correct, best I get on gas is about 14 to 15 and it was dead nuts accurate)
Is there another table I am not seeing?
Did you change injectors? And if so, do you have accurate data for them?
No, injectors are stock.
I only changed the transient blend mode tables and the fuel density in addition to the basic flex fuel enable bits. It works great, I just find it hard to believe I am getting above 20 mpg in city now lol.
What'd you set fuel density as?
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g8-flex-fuel.hpt
Attached tune.
Fuel density is 730,000.000 744,705.875 759,411.750 774,117.625 788,823.500
I noticed my gas gauge is not going down very quickly, almost like the MPG is legit. Does fuel density control the gas gauge as well?
Last edited by BigMike42; 05-24-2016 at 06:44 PM.
People on here are going to say no, but I swear all I did on the last one I worked on was to correctly input the fuel density for the scaling I had done and the gauge went back to reading correctly - before that it was empty and said it had a 1/4 tank.....
2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80
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Scaling for what? I wonder if maybe I need to do a write entire and not just a calibration. I'll try that tomorrow.Originally Posted by GHuggins
Fuel density is only used for the volumetric fuel consumption rate calculation. Seems like your fuel density is correct. Post a log perhaps.
DSX Tuning - Authorized HP Tuners Dealer
http://www.dsxtuning.com
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Just say no to bull s***.
IF YOU WANT HELP, POST A FILE!
flex-fuel-scan.hpl
main.cfg
Using older scanner/editor 2.24.1166
Only reason I am not using the latest beta was because for some reason, it was missing a few flex fuel parameters. 3.0 was missing the same params as well, so I defaulted back to my old non beta version.
Engine diag -> airflow -> Flex Fuel params were the ones missing
Last edited by BigMike42; 05-24-2016 at 07:39 PM.
Found a link for 2.24.1170, going to write entire with that and see.
Care to share the link? I just realized I never turned those on in mine either because they weren't there in 3.0.
I have it in my dropbox which I can't access at work, I'll link it once I can. The site I got it from is a paid site that requires login (6l80etuning.com)
Anyway, my MPG problem resolved today after the write entire. Got a cool 9.8 mpg coming to work today.
Last edited by BigMike42; 05-25-2016 at 08:47 AM.
Thanks and glad it got sorted.
Avg speed 30.7. Mpg 15.1.
Not completely horrendous. I think it's worth it.
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