E-85 consumption - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Lunatic · 01-13-2016, 03:27 PM

I will soon be supercharged and e-85. I will have to carry e-85 to the track with me. Anyone have any idea how many Gallons of e-85 I'll go through in a 20 minute session?

CSG Mike · 01-13-2016, 03:46 PM

It's completely dependent on you, and the track.

Take your fuel consumption, and divide by 0.7, and you'll have a ballpark figure of how much ethanol you'll need.

Lunatic · 01-13-2016, 03:49 PM

Thanks Mike, I'm hoping a can do a whole day on 30 gallons.

Deep Six · 01-13-2016, 05:30 PM

Based on what I use na I would expect about half a tank for a 25-30 minute session.

Lunatic · 01-13-2016, 05:34 PM

Quote:

Originally Posted by Deep Six

Based on what I use na I would expect about half a tank for a 25-30 minute session.

Thank you.

Deep Six · 01-13-2016, 05:39 PM

My JR kit is being installed at this moment. With the fuel pump and injector upgrades I imagine it's going to suck down the corn juice pretty quickly. However the only track time I have scheduled is with our Chump car.

Lunatic · 01-13-2016, 07:33 PM

Quote:

Originally Posted by Deep Six

My JR kit is being installed at this moment. With the fuel pump and injector upgrades I imagine it's going to suck down the corn juice pretty quickly. However the only track time I have scheduled is with our Chump car.

I'm getting the Eldebrock Kit, injectors, fuel pump, and E-85 flex fuel all installed the end of the month. But E-85 is not available at my track so I will have to bring it with me.

pgranberg11 · 01-13-2016, 08:09 PM

I run about e77ish with a c38 kw kit on the track. in about 20 minutes i'm down a whole entire quarter tank. :'( so much ethanol. lol. It probably also depends on how rich your tune is running too.

CSG Mike · 01-13-2016, 08:25 PM

Quote:

Originally Posted by Lunatic

Thanks Mike, I'm hoping a can do a whole day on 30 gallons.

30 should be plenty. I'd be surprised if you went through more than 5 gallons per 20 minute session (it would be an indicator that you're getting pretty quick).

Remember, with the FF, you can drive to the track on 91, and fill up with E85 at the track.

If you do this, try to gauge your fuel so that your fuel light is on when you're pulling in.

Worst case, you can fill up on the side of the road since you have fuel with you. It's not ideal, but I've had it happen to me before.

Lunatic · 01-14-2016, 12:22 AM

Quote:

Originally Posted by CSG Mike

Remember, with the FF, you can drive to the track on 91, and fill up with E85 at the track.

If you do this, try to gauge your fuel so that your fuel light is on when you're pulling in.

Worst case, you can fill up on the side of the road since you have fuel with you. It's not ideal, but I've had it happen to me before.

This is what I'm planing on doing Mike.

Lunatic · 01-14-2016, 12:23 AM

Quote:

Originally Posted by new2subaru

Do they have any fuel at your track?

Gasoline yes, E-85 no.

OkieSnuffBox · 01-14-2016, 08:03 PM

Quote:

Originally Posted by Lunatic

I'm getting the Eldebrock Kit, injectors, fuel pump, and E-85 flex fuel all installed the end of the month. But E-85 is not available at my track so I will have to bring it with me.

Talk to your track.

My local track doesn't keep E85 on hand, but they will order a barrel of race grade E85 and keep it in one of the garages for you.

EDIT: I think when I asked last year, it was $325 for a 55-gal barrel of E85. My original guess was an NA Twin, would end up burning around 40 gal over 10 20 minute sessions at my local track.

Deep Six · 01-14-2016, 09:25 PM

Drove my car boosted for the first time last night. Might have to re-evaluate my estimate !!!

Lunatic · 01-15-2016, 03:10 AM

Quote:

Originally Posted by Deep Six

Drove my car boosted for the first time last night. Might have to re-evaluate my estimate !!!

Do I detect a big SMILE?

01-13-2016, 03:27 PM	#1
Lunatic Senior Member Join Date: Jan 2014 Drives: 2015 Raven FRS Location: Indio, CA. Just an Old Fart in a Automatic!. Posts: 1,614 Thanks: 7 Thanked 1,057 Times in 488 Posts Mentioned: 40 Post(s) Tagged: 2 Thread(s)	E-85 consumption I will soon be supercharged and e-85. I will have to carry e-85 to the track with me. Anyone have any idea how many Gallons of e-85 I'll go through in a 20 minute session?

01-13-2016, 05:30 PM	#4
Deep Six Senior Member Join Date: May 2013 Drives: 2013 FRS / 2013 427 Vert Location: Orlando Posts: 611 Thanks: 212 Thanked 328 Times in 197 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Based on what I use na I would expect about half a tank for a 25-30 minute session. __________________ [SIGPIC][/SIGPIC] 2013 FR-S Asphalt BC Coils/Rev Works UEL header/HKS Front Pipe/Racing Brake BBK/Shorai LW Battery/ACT 6 Puck Clutch/FBM Radiator & Oil Pan/JR Oil Cooler/Jackson Racing High Boost C30/Rev Works Built Motor 2016 Audi TTS APR Tuned

01-13-2016, 05:39 PM	#6
Deep Six Senior Member Join Date: May 2013 Drives: 2013 FRS / 2013 427 Vert Location: Orlando Posts: 611 Thanks: 212 Thanked 328 Times in 197 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	My JR kit is being installed at this moment. With the fuel pump and injector upgrades I imagine it's going to suck down the corn juice pretty quickly. However the only track time I have scheduled is with our Chump car. __________________ [SIGPIC][/SIGPIC] 2013 FR-S Asphalt BC Coils/Rev Works UEL header/HKS Front Pipe/Racing Brake BBK/Shorai LW Battery/ACT 6 Puck Clutch/FBM Radiator & Oil Pan/JR Oil Cooler/Jackson Racing High Boost C30/Rev Works Built Motor 2016 Audi TTS APR Tuned

01-14-2016, 09:25 PM	#13
Deep Six Senior Member Join Date: May 2013 Drives: 2013 FRS / 2013 427 Vert Location: Orlando Posts: 611 Thanks: 212 Thanked 328 Times in 197 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Drove my car boosted for the first time last night. Might have to re-evaluate my estimate !!! __________________ [SIGPIC][/SIGPIC] 2013 FR-S Asphalt BC Coils/Rev Works UEL header/HKS Front Pipe/Racing Brake BBK/Shorai LW Battery/ACT 6 Puck Clutch/FBM Radiator & Oil Pan/JR Oil Cooler/Jackson Racing High Boost C30/Rev Works Built Motor 2016 Audi TTS APR Tuned

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01-13-2016, 03:46 PM	#2
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,562 Thanks: 8,942 Thanked 14,211 Times in 6,854 Posts Mentioned: 970 Post(s) Tagged: 14 Thread(s)	It's completely dependent on you, and the track. Take your fuel consumption, and divide by 0.7, and you'll have a ballpark figure of how much ethanol you'll need.

01-13-2016, 03:49 PM	#3
Lunatic Senior Member Join Date: Jan 2014 Drives: 2015 Raven FRS Location: Indio, CA. Just an Old Fart in a Automatic!. Posts: 1,614 Thanks: 7 Thanked 1,057 Times in 488 Posts Mentioned: 40 Post(s) Tagged: 2 Thread(s)	Thanks Mike, I'm hoping a can do a whole day on 30 gallons.

01-13-2016, 08:09 PM	#8
pgranberg11 BoostedBRZ Join Date: Mar 2014 Drives: Turbo BRZ Location: IL Posts: 689 Thanks: 171 Thanked 259 Times in 191 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I run about e77ish with a c38 kw kit on the track. in about 20 minutes i'm down a whole entire quarter tank. :'( so much ethanol. lol. It probably also depends on how rich your tune is running too.

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