My E85 experience - BASE LS3 MNL
I have just successfully installed E85 tune and I'm excited to start sharing my experience with the forum (MPG, drive-ability, Power,....) I am glad to say that so far I'm in love with the new found power. The car drives exactly the same as stock aside for when I get on the throttle
. I did find that with my last detail I didn't need to clean the tail pipes very much compared to when I was on 93 pump gas... which is normally black after a full tank of gas. Another thing that I find really amusing is the looks I get when filling up with E85
I have yet to get any comments but, I'm sure that will come sooner than later.Drive ability - Same
Highway MPG - 22 to 23 when going 65mph in cruse.
Smell - AWESOME
Power - very noticiable gain
As time goes on I will report any details. I'm going to take point on gas milage moving forward. On my next fill up I will record how long I can go from Full to Empty.
** Picuture of first fill up**
**Picture of dyno graph of HP gain**
Stock run on mild tune Vs. Stock E85 run
Last edited by LT1_E85_Corvette; Jul 29, 2011 at 03:14 PM.
this is a good option for people who don't want bolt ons, but want more power.
what was the duty cycle of your injectors anyway, on e85?
I'm glad someone did it though and glad you posted.
Last edited by MikeSVT04; Jun 13, 2011 at 12:14 PM.
this is a good option for people who don't want bolt ons, but want more power.
what was the duty cycle of your injectors anyway, on e85?
I'm glad someone did it though and glad you posted.
However, you're making AWESOME power for bone stock other than E85 + tune, those are typical numbers from an intake/ and full exhaust, dyno tuned LS3.
my tuner has been wanting to try E85 on mine and I'd love to see the results, maybe I'll have to call him up soon.
Very impressive gains.
this is a good option for people who don't want bolt ons, but want more power.
what was the duty cycle of your injectors anyway, on e85?
I'm glad someone did it though and glad you posted.
Last edited by FloydSummerOf68; Jun 13, 2011 at 12:54 PM.
idk man my car was sooooooooo pig rich that 20rwhp may have been possible.
Either way, im curious to see the results with bolt ons.
Are there downsides to E85?
If I got the same gains, Id be at 470/477! Who needs a cam
Last edited by tomiboy; Jun 13, 2011 at 01:24 PM.
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I never go on road trips though, I already have full exhaust/intake, it would be so sick to make like 440rwhp just going to E85, I make around 425rwhp/415rwtq now. But, it's already 100 degrees here so the heat is going to make it tough with IAT's going through the roof.
The only down side I have found are bellow.
1. Finding E85 within a reasonable distance
2. Burns about 25% faster however, is normally offset by cost being cheaper.
To the post above - The car on the first run was on a very mild 93 octane tune so it wasn't completely baseline stock tune although, very close.
My car is 100% stock with no fuel system upgrades. It really is remarkable how the car drives... I cant tell any difference at all with drive-ability other than WOT. The entire RPM range is much stronger and can be felt dramatically. If anyone is interested please feel free to PM me.
I will update how the car runs next Friday.
Last edited by LT1_E85_Corvette; Jun 13, 2011 at 01:27 PM.
i have just successfully installed e85 tune and i'm excited to start sharing my experience with the forum (mpg, drive-ability, power,....) i am glad to say that so far i'm in love with the new found power. The car drives exactly the same as stock aside for when i get on the throttle
. I did find that with my last detail i didn't need to clean the tail pipes very much compared to when i was on 93 pump gas... Which is normally black after a full tank of gas. Another thing that i find really amusing is the looks i get when filling up with e85
I have yet to get any comments but, i'm sure that will come sooner than later.Drive ability - same
highway mpg - 26 to 28 when going 65mph in cruse.
Smell - awesome
power - very noticiable gain
as time goes on i will report any details. I'm going to take point on gas milage moving forward. On my next fill up i will record how long i can go from full to empty.
** picuture of first fill up**

**picture of dyno graph of hp gain**
stock run on mild tune vs. Stock e85 run

Although boosted, the GTR guys are lovin' E85. I've heard in those applications they spool much faster and the tq gains are nuts.
For now I'm stuck with little ole 93 and envious of you MW folks in this regard.

I already have 57lb injectors and a z06 pump assembly since the previous owner was going to switch to E85, it's readily available in MN and IA, I doubt I'll ever take the car on a trip where I absolutely can't get e85 so I'm still considering this mod. It's essentially free horsepower for me at this point, just a quick tune up for the new fuel.










