E-85 - Page 3 - Hyundai Genesis Forum
Technical Tuning of EMS/EFI This section is reserved for discussion about the electronic tuning specifics for the Genesis vehicles.

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post #21 of 43 Old 02-17-2009, 03:31 AM
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^^ I'm not saying there are not ways around getting repair work done. Also the TSB i posted was for E85, not E10 or E15. I'm just posting info regarding Hyundai's policy of running E85 as their cars are not designed to run it. People can run Jack Daniels in their car if they want to makes no difference to me.
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post #22 of 43 Old 02-17-2009, 05:38 AM
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Quote:
Originally Posted by Sabbasaun View Post
^^ I'm not saying there are not ways around getting repair work done. Also the TSB i posted was for E85, not E10 or E15. I'm just posting info regarding Hyundai's policy of running E85 as their cars are not designed to run it. People can run Jack Daniels in their car if they want to makes no difference to me.
+1......sabba, it's your car do what you want with it. I don't want to assume anything about any other dealerships, but the techs I got are pretty damn good. So, if anybody ever plans on doing any kind of coverup, make it a good one. Because, these guys are like forensic scientists.

..delete the above post, good idea bam, so if anything does happen........

I personally will not expect too much from my engine warranty once I slam the bigger turbo on. Because, that'll be about the time I do all the major power mods. But, I'm anal about details & not wanting to cause damage. I won't take any shortcuts that'll have ill effects & I won't be pushing the limits on the engine's parameters. Most anything I decide to do will probably already be done by someone else (tuner shop, etc) & I'll know the results before hand. Most importantly I'll do the needed safe guards prior to major mods, like head bolts & gasket at the very minimum.

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post #23 of 43 Old 02-17-2009, 12:02 PM
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Quote:
Originally Posted by Tufast View Post
+1......sabba, it's your car do what you want with it. I don't want to assume anything about any other dealerships, but the techs I got are pretty damn good. So, if anybody ever plans on doing any kind of coverup, make it a good one. Because, these guys are like forensic scientists.

..delete the above post, good idea bam, so if anything does happen........

I personally will not expect too much from my engine warranty once I slam the bigger turbo on. Because, that'll be about the time I do all the major power mods. But, I'm anal about details & not wanting to cause damage. I won't take any shortcuts that'll have ill effects & I won't be pushing the limits on the engine's parameters. Most anything I decide to do will probably already be done by someone else (tuner shop, etc) & I'll know the results before hand. Most importantly I'll do the needed safe guards prior to major mods, like head bolts & gasket at the very minimum.

ya it doesnt take alot too tell that youve ran e85

i think the biggest give away woudl be how freakin clean ur engine is.

with 91 you get all that blackness going on from the carbon deposite of running a little rich as most cars do form the factory.

with e85 everythine is magically clean looking and there isnt to much of any carbon deposites left behind.

but im thinking if you told the tech that you just kept adding cleaning additives to your fuel you should be ok.

essentually they do the same thing at the end of the day
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post #24 of 43 Old 02-17-2009, 02:10 PM
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Quote:
Originally Posted by cky_bam_marg View Post
ya it doesnt take alot too tell that youve ran e85

i think the biggest give away woudl be how freakin clean ur engine is.

with 91 you get all that blackness going on from the carbon deposite of running a little rich as most cars do form the factory.

with e85 everythine is magically clean looking and there isnt to much of any carbon deposites left behind.

but im thinking if you told the tech that you just kept adding cleaning additives to your fuel you should be ok.

essentually they do the same thing at the end of the day
I'll have to post the actual TSB but one thing it mentioned was that a fuel test should be conducted to measure the alcohol content.. Anything over 10-15% means Hyundai will not honor the warranty work.
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post #25 of 43 Old 02-17-2009, 03:05 PM
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Originally Posted by Sabbasaun View Post
I'll have to post the actual TSB but one thing it mentioned was that a fuel test should be conducted to measure the alcohol content.. Anything over 10-15% means Hyundai will not honor the warranty work.
thats y i sated earlier to disconnect the fuel rail line and aim it into a bucket and turn the key in the on position because this will cause the fuel pump to activate to pressurize ur fuel system. which means its gonna empty your tank into where ever u have that fuel hose pointed at and then fill up with 91octant or watever. redo the key thing and get the 91 flowing threw the lines. then stop reconnect the fuel line and crank the blown engine a few times if it can crank to ge the rest of the e85 out of the fuel rail and injectors.

**in the event that your car wont even crank period......then just take out the injectors and empty the injectors and fuel rail dip them in 91oct then clean them off and re-install them and then repressurize your fuel system with the key in the on position. to get 91 octane in there.

everything can be covered up it just matteres on how much you think your effort would be worth in conjunction with getting a free engine installed and keeping your warrenty

also i know me and a few other evo's out there have slapped flexfuel badges on your cars......i would really avoid this practice on a car that still has a warrenty lol....kind of a give away
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post #26 of 43 Old 02-18-2009, 10:05 PM
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Quote:
Originally Posted by cky_bam_marg View Post
thats y i sated earlier to disconnect the fuel rail line and aim it into a bucket and turn the key in the on position because this will cause the fuel pump to activate to pressurize ur fuel system. which means its gonna empty your tank into where ever u have that fuel hose pointed at and then fill up with 91octant or watever. redo the key thing and get the 91 flowing threw the lines. then stop reconnect the fuel line and crank the blown engine a few times if it can crank to ge the rest of the e85 out of the fuel rail and injectors.

**in the event that your car wont even crank period......then just take out the injectors and empty the injectors and fuel rail dip them in 91oct then clean them off and re-install them and then repressurize your fuel system with the key in the on position. to get 91 octane in there.

everything can be covered up it just matteres on how much you think your effort would be worth in conjunction with getting a free engine installed and keeping your warrenty

also i know me and a few other evo's out there have slapped flexfuel badges on your cars......i would really avoid this practice on a car that still has a warrenty lol....kind of a give away
Yeah I agree with you I was just stating this so that anyone doing this "mod" would know what exactly a dealership would do to check.
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post #27 of 43 Old 03-30-2009, 12:43 AM
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A few quick pointers on E-85

1 - Any cars manufactured after 1990 dont suffer from corrosion problems due to ethanol use.
2 - E-85 produces an octane rating of approximately 105
3 - E-85 runs on a significantly lower A/F ratio (9.76:1) this means
a) You need higher capacity injectors and pump
b) You require a proper reflash to accomidate the increase in fuel flow
3 - Ethanol can be stubborn to start up at colder temperatures, canadian consumers beware!

The good thing is that ethanol initiates a cooler intake charge, which allows for increased boost levels. Ethanol also less volatile than gasoline, which can allow for more aggressive timing which achieves more complete combustion and results in more power.

Import tuner recently did a tune on an Evo XIII that resulted in a gain of 67 WHP and 73 lb-ft of torque.

I hope some of that was usefull


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Originally Posted by Kevin DSM guy View Post
E-85 is something I might consider when I wanna start making big power, but until then, I plan on running 92.
Considering that the stock fuel system on the Gcoupe may be one of the first items that should be upgraded to do a proper tune, switching to E-85 might give you the biggest bang for your buck performance-wise.

If you are lucky enough to have E-85 readilly available, I would make it one of my first considerations.
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post #28 of 43 Old 03-30-2009, 08:31 AM
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i think the only problem in swithcing to e85 on a gen coupe so far is the tuning/reflash software and hardware.

the evo 10 came out in the U.S officially in the second week of jan. 2008 when the first consumer one was sold at south coast mitsubishi here in socal. well 1 year later in the second-third week of jan. 2009 some nifty mitsu loving software engineers officially cracked enough of the ecu to release the first version of the evo 10's reflash/tuning software.

now i know the evo has a much larger and dedicated following but im expecting a 1.5- 2 years for someone to do the same to this car.

until then e85 is limited to some crazy 5k flashing adventure, or a piggie back, or an aem stand alone either way $$$$$
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post #29 of 43 Old 03-30-2009, 08:48 AM
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Thanks for the input New2RWD. I've been following this thread & the meth injection thread closely, since I know very little about either. I'm almost absolutely sure I'm doing this mod because of what you mentioned above. I'm planning on replacing the injectors & fuel pump, along with installing a fuel pressure regulator & return liine anyway. I may also upgrade the fuel rail, just have to wait & see. But, since I'm planning on replacing all this stuff anyway, I figured it would be a good time to just move up to the bigger stuff.

From what I can tell a double pumper fuel pump & 1200cc injectors are going to be necessary, can anyone confirm this for me. Also let me know if you think replacing the fuel rail will be mandatory? If it matters, I will be running the the factory turbo w/boost turned all the way up w/every accomodating mod available except exaust tubular header, w/a custom tune. Then lastly I will replace the turbo & manifold w/a HTA30R kit most likely if available.

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post #30 of 43 Old 03-30-2009, 09:03 AM
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Quote:
Originally Posted by Tufast View Post
Thanks for the input New2RWD. I've been following this thread & the meth injection thread closely, since I know very little about either. I'm almost absolutely sure I'm doing this mod because of what you mentioned above. I'm planning on replacing the injectors & fuel pump, along with installing a fuel pressure regulator & return liine anyway. I may also upgrade the fuel rail, just have to wait & see. But, since I'm planning on replacing all this stuff anyway, I figured it would be a good time to just move up to the bigger stuff.

From what I can tell a double pumper fuel pump & 1200cc injectors are going to be necessary, can anyone confirm this for me. Also let me know if you think replacing the fuel rail will be mandatory? If it matters, I will be running the the factory turbo w/boost turned all the way up w/every accomodating mod available except exaust tubular header, w/a custom tune. Then lastly I will replace the turbo & manifold w/a HTA30R kit most likely if available.
for anything 30r or similar type turbo ya ull need 1200cc's and dual fuel pump set up.

but for the stock turbo hmm you might actually be cool with 550-660cc injectors and a single fuel pump for e85
like stock evo turbo's barely max out 720-750cc injectors with a single walbro. so the gen coupe turbo should be cool with the above
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