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E85 tune on g37

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Old 04-27-2016, 09:46 AM
  #31  
Rybitron
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Originally Posted by Synolimit
I've done it. Only needed injectors and I lost power. GL
Naturally aspirated?
Old 04-27-2016, 06:56 PM
  #32  
PongSanity
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Get 1000cc injectors as well as the s1-S FRS from CJM. And yes. An ethanol content gauge/flex fuel setup would be wise. You'll be north of 600hp with the A2A setup.
Old 04-28-2016, 05:07 PM
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Kris9884
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Originally Posted by jfisher
Made more power and torque across the entire band. People spend $500 on cold air intakes and $1400 on exhaust. I'd say it's worth it:

Gains from E85 (ethanol) on an N/A bolt on 370Z - Nissan 370Z Forum
Exactly, and sometimes they see no results so why not lol
Old 05-01-2016, 12:44 AM
  #34  
Synolimit
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Originally Posted by Rybitron
Naturally aspirated?
Of course
Old 12-18-2017, 08:54 AM
  #35  
Mattlorentzoe
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Very interested to see if this will work as planned (not changing pump just injectors) then retuning for e85. Can anybody point me in the direction of a diy for injectors?

So I’m hoping for a easy 10whp on a fbo car? Is that crazy to think? Interested in how far I can go on a fill up on e85. Usually get 250-400 per tank on 93 depending on driving.
It’s my impression you will have to burn 30% more fuel on e85 because it has less energy? So maybe 100 less miles per tank, also e85 is $1.99/gallon vs 93 is $3.xx/gallon here in Georgia. E85 is at least $1 less a gallon, so $18 less a tank. We will see I guess what the real world mileage will be.
Old 12-18-2017, 02:21 PM
  #36  
zer099
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I've been running E85 for over a year and a half now on the stock pump. No issues. I have GTR injectors and a ECUTek tune. Clear 5% increase in power on the dyno and felt on the road when you go from 9ish-10% ethanol to 60%+ ethanol. I get around 20.2mpg on 93O and around 15.7mpg on E85. I've actually kept hand written records of the fuel, mileage, and cost since I went flex-fuel. E85 to date might give me less distance but is slightly cheaper still and gives me better power. I drive with a heavy foot and am pretty much full bolt-on N/A.
Old 05-17-2018, 11:46 PM
  #37  
Stachuu
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I want to confirm, these injectors https://www.ebay.com/itm/6-x-550cc-O...-/172633851424 and tune and thats all I need?
Old 05-18-2018, 04:18 PM
  #38  
slartibartfast
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Who do you want to confirm that?
Old 05-18-2018, 04:22 PM
  #39  
Stachuu
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Anyone whos already done it.
Old 05-22-2018, 02:01 PM
  #40  
Surfnazi
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You want to upgrade the fuel line as well since e85 can break down OEM fuel line that isn't designed to run e85 it's cheap insurance
Old 06-13-2018, 02:05 PM
  #41  
sicKzofivE
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i plan on running an E85 tune, only thing needed is the upgraded injectors. you dont need a pump or upgraded hoses.

Stock pump handles fine and my buddy running e85 on his coupe has used stock hoses for 2 years and no issues so get some 550's and go from there.

IF you plan on running FI or SC get larger ones at least 1k cc's tobe able to handle everything.

I'm FBO and dont plan on SC or turbo for another few years so 550's are more than enough to handle what I have.
Old 12-27-2018, 12:07 PM
  #42  
Saltman
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I can't make up my mind on if I want to go ahead and do this... so much info and differing opinions
Old 01-30-2019, 06:11 PM
  #43  
Marco Figueroa
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Originally Posted by chuckie311
If you want a set of injectors I have some ill sell you for 200 shipped.. I'm not planning to run E85 for a few more years now.. Doing it all at once when I build my engine..
what up bro still have those injectors available?
Old 04-02-2019, 11:56 PM
  #44  
Rene Salazar
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do you know how many WHP i can get on a 370Z on stock engine.
Thank you in advance for you response
Old 04-26-2019, 12:43 PM
  #45  
InfinitiG-Steve
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Originally Posted by Rene Salazar
do you know how many WHP i can get on a 370Z on stock engine.
Thank you in advance for you response
@Rene Salazar You can expect up to 10 WHP on the stock block. You can keep the stock fuel pump, just get the GTR injectors. I know a guy smarter than any one of these "behind the keyboard genius'" and he has done it to multiple cars and quoted me $220 out the door.

What they do is put a map for e85 and 93 that you will have to empty out your tank almost completely before switching fuel types.
for me when I am in park when I hold the cancel on the cruise control my maps show on my RPM's, RPM 1 is map 1 (93) and RPM 2 is my e85 map.

IMHO worth it when we spend over $2000 on our cars for minimal gains all together.

However, you will definitely need a tune.


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