Switching to E85
Thread Starter
Instructor
Joined: Sep 2019
Posts: 244
Likes: 39
From: Metro Detroit
Switching to E85
So I have been doing bunch of mods here and there to the vett over the winter.
i just ordered a e85 kit and will install before she goes on a Dyno this spring.
also check out my Instagram channel at lastcorvette
and my YouTube channel with the same name!
Since I have no idea If it’s tuned it will be a good baseline for me and tuned to run on E.
i have CAI, headers and straight piped with cat deletes into a Corsa axle back exhaust.
plan is to add cam and heads this year and finish her off with a east coast supercharger.
thats why I am going to setup E now and also when I do my cam I will replace and pin my pulley.
that way steering rack only comes out once lol.
what do you guys think current mod on E will make?
i will post results in April.
i just ordered a e85 kit and will install before she goes on a Dyno this spring.
also check out my Instagram channel at lastcorvette
and my YouTube channel with the same name!
Since I have no idea If it’s tuned it will be a good baseline for me and tuned to run on E.
i have CAI, headers and straight piped with cat deletes into a Corsa axle back exhaust.
plan is to add cam and heads this year and finish her off with a east coast supercharger.
thats why I am going to setup E now and also when I do my cam I will replace and pin my pulley.
that way steering rack only comes out once lol.
what do you guys think current mod on E will make?
i will post results in April.
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Racer
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From: El Dorado AR
Burning Brakes
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From: Kearney Missouri
My 5.0 F-150 is naturally aspired / non-boosted. I don't believe you need a boosted vehicle to get benefits - but mine is flex fuel from the factory. I wouldn't have switched otherwise. The tune definitely helped also with power, though I don't have a dyno to back that up with numbers. The lower MPG is offset by the lower cost per gallon - and I'm fortunate to have a flex fuel station in my tiny town fairly close to the house.
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Racer
Joined: Sep 2019
Posts: 477
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From: El Dorado AR
My 5.0 F-150 is naturally aspired / non-boosted. I don't believe you need a boosted vehicle to get benefits - but mine is flex fuel from the factory. I wouldn't have switched otherwise. The tune definitely helped also with power, though I don't have a dyno to back that up with numbers. The lower MPG is offset by the lower cost per gallon - and I'm fortunate to have a flex fuel station in my tiny town fairly close to the house.
With numbers like I saw I hate to imagine what E85 does.
Racer
Joined: Sep 2019
Posts: 477
Likes: 130
From: El Dorado AR
If the MPG trend from 10% ethanol continues with E85 I'm pretty sure the driver of anything would be concerned.
That said, I didn't know it was that much higher octane and while the increased boost from a blower would certainly increase HP the higher octane alone is not going to increase HP.
That said, I didn't know it was that much higher octane and while the increased boost from a blower would certainly increase HP the higher octane alone is not going to increase HP.
Racer
Joined: Jun 2019
Posts: 381
Likes: 58
From: Pittsburgh PA
If the MPG trend from 10% ethanol continues with E85 I'm pretty sure the driver of anything would be concerned.
That said, I didn't know it was that much higher octane and while the increased boost from a blower would certainly increase HP the higher octane alone is not going to increase HP.
That said, I didn't know it was that much higher octane and while the increased boost from a blower would certainly increase HP the higher octane alone is not going to increase HP.
that's kinda wrong... the lower ignition temp is what allows us to maintain and exercise the boost we are making without knock. you get elevated octane at a lower ignition point, which is why you use more and why MPG is down. I use the same boost levels on pump and e, i just make more power with increased ignition timing at the same heat range as pump. Just putting e85 in a car and tuning for it will increase HP if only slightly, but provides cooler intake charge for the same power and is cheaper at the pump by a lot.
Personally, I love the smell of corn in the morning and using pump once a year to store my car reminds me how much it stinks and sucks *** for power (no cats).
Last edited by sonnysucks; Feb 11, 2020 at 04:15 PM.
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Correct me if I'm wrong but stock LS3 injectors and factory pump should cover you on Flex if your just mild bolt ons right?
Thread Starter
Instructor
Joined: Sep 2019
Posts: 244
Likes: 39
From: Metro Detroit
If you are just adding e85 kit there is no need to replace injectors or the fuel pump.
get it tuned and fuel table blend unlocked and setup.
if you plan on boosting your car the answer is yes.
when I do my heads/cam/fast Intake I will also upgrade injectors and pin the pulley. That way once charger is installed I am half way there.
get it tuned and fuel table blend unlocked and setup.
if you plan on boosting your car the answer is yes.
when I do my heads/cam/fast Intake I will also upgrade injectors and pin the pulley. That way once charger is installed I am half way there.
Racer
Joined: Sep 2019
Posts: 477
Likes: 130
From: El Dorado AR
ive seen friends cars pick up 20-30rwhp from doing the flex fuel kits so in todays world getting any extra HP without getting into a bank loan or using your house equity is probably common or just easier to do plus you can run both 93 pump or the E85 so IMO a win win and im sure there are some other little benefits to running the E
Thread Starter
Instructor
Joined: Sep 2019
Posts: 244
Likes: 39
From: Metro Detroit
You need to understand the basics first. You run cooler, you also run much higher octane which allows for a much extreme fuel and timing tables compared to pump gas. This hp increase doubles or triples when vehicle is super charged.
tune needs to be done regardless in both cases.
tune needs to be done regardless in both cases.