GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Am I the worlds FIRST E85 powered Lexus, or just on CL?

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Old 05-28-08, 12:23 AM
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JeffTsai
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Wink Am I the worlds FIRST E85 powered Lexus, or just on CL?

Ok, so after talking about it so long...I finally made the switch today. Luckily I have an E85 filling station about 3-4miles from my house.

This stuff is great, I don't know where to start:
My garage no longer stinks of gasoline, I can sit in traffic now without smelling like crap, the car idles and runs SO much smoother, oh yeah the fact that it's basically a 105-106octane race fuel that costs less than regular

From the butt dyno...I'd wager I gained about 30-40hp at the same boost level without even touching the timing. Reason being is that ethanol can pack in more energy for the same amount of air. I can stand behind my car and I can't smell any fumes at all! This stuff is awesome
Old 05-28-08, 12:26 AM
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cliffud
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wth? are you serious dude?

Please keep us posted with updates... can this be done on NA cars?
Old 05-28-08, 12:29 AM
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JeffTsai
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Originally Posted by cliffud
wth? are you serious dude?

Please keep us posted with updates... can this be done on NA cars?
Yes 100% serious. You should of seen the look on some peoples faces when I was pumping. I bet 90% of them were thinking "lol...what a dumbass he got the wrong fuel". Then the best part was when I jumped in the car, fired it up and drove off!

Oh yeah, I also encountered a Lamborghini Gallardo on the highway tonight. I bet he was wondering why no gas fumes/smell when I was keeping ahead of him

And yes this can be done on NA cars. But I'm not sure how it would be done with the factory Lexus ECU. If you ran a standalone, it would be a piece of cake
Old 05-28-08, 12:31 AM
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swat1727
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what do u have to do? and where are the E85 stations?
Old 05-28-08, 12:34 AM
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lexusondubs
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good find jeff !!
Old 05-28-08, 01:40 AM
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Seize
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Wow! That's awesome, sounds like you're pleased with the results so far
Old 05-28-08, 04:14 AM
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wowitztai
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nice..i use to run that gas on my rsx with a tune... for e85
Old 05-28-08, 04:47 AM
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99GS4
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What changes did you have to make to your vehicle so you can run E85?
Old 05-28-08, 05:39 AM
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TruPlaya26
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Originally Posted by JeffTsai
And yes this can be done on NA cars. But I'm not sure how it would be done with the factory Lexus ECU. If you ran a standalone, it would be a piece of cake
So can it be done if we have the SRT piggy back ECU? Do you think we'd see any benefit in our NA cars besides no smell ?
Old 05-28-08, 05:52 AM
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plex
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Good stuff a buddy of mine just tuned his Supra TT using E85 and did 652rwhp@21psi with 77% duty cycle. This was on a GT4274, AEM,1000cc,etc..... I was amazed I could barely smell the E85 lol during the dyno. I plan on running E85 also when I go single. You have to run 30% more fuel if I remember correct. I'm not sure how a NA would react to E85 with the stock ECU like you mentioned.
Old 05-28-08, 05:55 AM
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LEXUS_KID
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Now you can save a few of these $$$$$$$
Old 05-28-08, 06:02 AM
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KiPod
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E85 does have higher octane rating and cost way less than race fuel but I believe it will burn faster because like Cherp said you have to use more fuel. Also, did you switch all your rubber fuel lines? I read a while back (in my turbo mustang days) an article titled something like "1000hp with E85?" in a Mustang Mag. In the article it said you needed to swap every piece of rubber (all fuel lines, injector o-rings, etc.) that come in contact with fuel to silicone because something in E85 breaks down the rubber.

Last edited by KiPod; 05-28-08 at 06:06 AM.
Old 05-28-08, 06:58 AM
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sinistervr
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Originally Posted by swat1727
what do u have to do? and where are the E85 stations?
you basically have to have a over powered fuel set up.. what i mean is if your turbo lets just say you need 1 walbro 255 to support 400 whp, now with e85 you would need 2 walbro 255s plus bigger injectors etc..because you need to add like 30% more fuel..its not hard if you have standalone, but if your on a factory ecu its a pita
Old 05-28-08, 07:17 AM
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Ay-nako
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jeff are you serious bro!? I WILL fly you out here :P help me do it to my daily!! come here help me do it to my car then go out at night and have some fun !! im hoping ill get it soon its going to be an 03 SD gs300!!! wow e85 man thats nuts!!
Old 05-28-08, 08:58 AM
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THE_CEO
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Jeff, its funny you said this "Car mechanics seeing more problems caused by ethanol gas" http://gmy.news.yahoo.com/v/8005145

CEO


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