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Who is running e85 on road course?


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#1 sjj31 Posted 15 July 2012 - 04:30 AM

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Just curious, found out my local track has an e85 station right down the road. Any downside? I would use a medium boost tune like I do for 93 ... Say 13-14 psi.


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Engine:
Jack’s Transmissions Engine Refresh (Forged Manley Rods & Pistons,Gaskets, Bearings, Seals etc.) + Heat Shielded Engine Bay

Turbo’s:GTC Stock Frame Spec V Turbos,Ported Upper/Lower Manifold,GTC 60mm Inlets,AMS 4Bar MAP Sensor
Tune:EcuTek – Ben Linney SD Flex Fuel Tune using Gotboost SD Kit and Visconti Flex Fuel Kit
Fuel/Injectors:Walbro 485 Pumps with AMS Hobbs Switch & Hardwired and Jack’s Seals,SIR 1150cc Injectors
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Tranny:Built Stage 2+ - Billet Dodson Baskets A&B+PPG 1st Gear,Jack's 16 plate Clutch & Bell Housing Upgrade (drives like stock)

Cooling: ETS Intercooler/GotBoost IC Piping,SSP Tranny Cooler,Dodson Oil Thermo, AAM Oil Catch Can
Brakes: Alcon HD 396mm/JHook Rotors,Forged SS Lines,Hawk DTC 70/60 Pads,Upgraded OEM Painted Calipers (RB Stainless pistons/blue melt-proof seals/boots)
Fluids:Shell Rotella T 15w40 Engine (Jack's recommended), Castrol Diff, Jack’s Special Tranny Mix, Castrol SRF Brake
Wheels:Yokohama AVS F7 20x10+30,20x11+25,TSM Track Spacers (10/15mm),Toyo R888 285/35/20,315/30/20
Suspension:Full Penske 2 Way Coilovers with Eibach GTR Sway Bar Front and Rear, Corner Balanced, Track Aligned
Track:SFS Strut Bar,APR100-7718 Studs 12x1.5,Muteki Lugs,Sparco Harness Bar,Shroth 4PT,Difflow 5E Diffuser,Forged SW Lock
Look:DF CF Side Sills,Spats,ExShrouds,Rexpeed CF-M Splitter,OEM DRL's,SP LED Kit,GTMotoring Tow Hook
Extras:Hushmat Ultra (rear&trunk),Front Clear Bra,Full Tint,Clear JDM markers,Escort 9500ci Custom,VBOX

#2 mr chaz tsai Posted 16 July 2012 - 01:36 PM

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I use E85 exclusively on track. Only downside is the consumption. I usually blow through at least 1/4 tank each session. Car feels great though, much better response and just feels like it's breathing "cooler." Can't really explain why or how but just feels that way compared to using 91-93 lol


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#3 icarus Posted 16 July 2012 - 01:49 PM

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View Postmr chaz tsai, on 16 July 2012 - 01:36 PM, said:

I use E85 exclusively on track. Only downside is the consumption. I usually blow through at least 1/4 tank each session. Car feels great though, much better response and just feels like it's breathing "cooler." Can't really explain why or how but just feels that way compared to using 91-93 lol

Only a 1/4 tank!  I would love to get that kind of gas mileage per track session!  I have no tune, and run through 3/8 a tank in a 25-minute session.  Looks like I need a SPE650 kit to reduce my fuel costs  ;-)


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#4 Scuba_Steve Posted 16 July 2012 - 04:14 PM

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I do.  The car seems to run cooler and the torque out of the corners rocks.

Car is defiantly an alcoholic though :thumbsup:

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#5 mr chaz tsai Posted 16 July 2012 - 04:20 PM

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View Posticarus, on 16 July 2012 - 01:49 PM, said:

Only a 1/4 tank!  I would love to get that kind of gas mileage per track session!  I have no tune, and run through 3/8 a tank in a 25-minute session.  Looks like I need a SPE650 kit to reduce my fuel costs  ;-)

SPE650 would be a great idea :thumbsup:  you probably get worse mileage than me because I'm slow and don't go as balls-out as I should LOL :banghead:


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2012 GTR SPE650-E85 - 595HP 588TQ // Tuned by SP Engineering, and now SOLD to SP Engineering :)

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#6 sjj31 Posted 17 July 2012 - 05:31 AM

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i

View PostScuba_Steve, on 16 July 2012 - 04:14 PM, said:

I do.  The car seems to run cooler and the torque out of the corners rocks.

Car is defiantly an alcoholic though :thumbsup:

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i'm thinking 2.8 is correct, last time i measured 93 octane was 4.3 so the math makes sense :-)


2010 Nissan Super Silver GTR – New Build April, 2014 @ 32,000 Miles (After 3 years of Bolt-On Fun!)
Engine:
Jack’s Transmissions Engine Refresh (Forged Manley Rods & Pistons,Gaskets, Bearings, Seals etc.) + Heat Shielded Engine Bay

Turbo’s:GTC Stock Frame Spec V Turbos,Ported Upper/Lower Manifold,GTC 60mm Inlets,AMS 4Bar MAP Sensor
Tune:EcuTek – Ben Linney SD Flex Fuel Tune using Gotboost SD Kit and Visconti Flex Fuel Kit
Fuel/Injectors:Walbro 485 Pumps with AMS Hobbs Switch & Hardwired and Jack’s Seals,SIR 1150cc Injectors
Bolt-Ons:HKS Legamax Catback,HKS Non-Res Midpipe,GTC 90mm DP’s,Gotboost 3" Intakes w/Green Filters
Tranny:Built Stage 2+ - Billet Dodson Baskets A&B+PPG 1st Gear,Jack's 16 plate Clutch & Bell Housing Upgrade (drives like stock)

Cooling: ETS Intercooler/GotBoost IC Piping,SSP Tranny Cooler,Dodson Oil Thermo, AAM Oil Catch Can
Brakes: Alcon HD 396mm/JHook Rotors,Forged SS Lines,Hawk DTC 70/60 Pads,Upgraded OEM Painted Calipers (RB Stainless pistons/blue melt-proof seals/boots)
Fluids:Shell Rotella T 15w40 Engine (Jack's recommended), Castrol Diff, Jack’s Special Tranny Mix, Castrol SRF Brake
Wheels:Yokohama AVS F7 20x10+30,20x11+25,TSM Track Spacers (10/15mm),Toyo R888 285/35/20,315/30/20
Suspension:Full Penske 2 Way Coilovers with Eibach GTR Sway Bar Front and Rear, Corner Balanced, Track Aligned
Track:SFS Strut Bar,APR100-7718 Studs 12x1.5,Muteki Lugs,Sparco Harness Bar,Shroth 4PT,Difflow 5E Diffuser,Forged SW Lock
Look:DF CF Side Sills,Spats,ExShrouds,Rexpeed CF-M Splitter,OEM DRL's,SP LED Kit,GTMotoring Tow Hook
Extras:Hushmat Ultra (rear&trunk),Front Clear Bra,Full Tint,Clear JDM markers,Escort 9500ci Custom,VBOX

#7 Jooyoung99 Posted 17 July 2012 - 06:26 PM

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Is that 6 x 4 gallon tanks?  That would last two 30 minute sessions.  Even on 100 oct, I burn through more than third of the tank on a full 30 minute session.

I wish they sell E85 at the track.  It's too much hassle to carry that much fuel in the trunk.  And the smell gets me high.



#8 Scuba_Steve Posted 17 July 2012 - 07:51 PM

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View PostJooyoung99, on 17 July 2012 - 06:26 PM, said:

Is that 6 x 4 gallon tanks?  That would last two 30 minute sessions.  Even on 100 oct, I burn through more than third of the tank on a full 30 minute session.

I wish they sell E85 at the track.  It's too much hassle to carry that much fuel in the trunk.  And the smell gets me high.

6 x 5 gallon jugs.  I showed up with 50 miles on a full tank, I did 3 20 minute sessions, drove home 100 miles and still had 2 x 5 gallon jugs left over.  I didn't smell a thing.



#9 Jooyoung99 Posted 17 July 2012 - 09:09 PM

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What injectors are you running?  Do you always wrap the jugs with trash bags?  I should try that.



#10 Scuba_Steve Posted 17 July 2012 - 09:10 PM

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ID1000's.  This was my first time, seemed to work well, they were sealed tight.



#11 RPM Posted 23 April 2013 - 09:34 AM

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Anybody else have experience running E85 on a roadcourse? Is it safe or not?



#12 m3sparky Posted 23 April 2013 - 04:15 PM

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I'm sure there are many running it on road courses including me.  just turn  down the boost to 15 or 16 so the torque won't kill your stock trans.

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#13 Sharif@Forged Posted 25 April 2013 - 03:25 PM

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View PostRPM, on 23 April 2013 - 09:34 AM, said:

Anybody else have experience running E85 on a roadcourse? Is it safe or not?
I've run many of our cars on E85 on track. If I have a particular car that is tuned for E85 for road use, I have no problem whatsoever recommending E85 for track use. You do need specific calibrations that are optimized for safe track operation.  Overall, I prefer E85 over 93 octane pump for track use.  Unfortunately, using E85 on track is very much a "bring your own" type of fuel.


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#14 RPM Posted 26 April 2013 - 12:20 PM

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Thank you for your input Sharif.



#15 mbrownew Posted 27 April 2013 - 07:55 AM

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View PostSharif@Forged, on 25 April 2013 - 03:25 PM, said:

I've run many of our cars on E85 on track. If I have a particular car that is tuned for E85 for road use, I have no problem whatsoever recommending E85 for track use. You do need specific calibrations that are optimized for safe track operation.  Overall, I prefer E85 over 93 octane pump for track use.  Unfortunately, using E85 on track is very much a "bring your own" type of fuel.
  Sharif...are any of the tunes on my car able to run E85? I picked up a new 38' trailer so I have a little more room to carry things.



#16 RPM Posted 15 May 2013 - 07:41 AM

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Reporting back from the track day. The car ran flawlessly on E85. There was a few problems not related to E85:
  • I think I melted my AAM cats (sound of exhaust is cut in half, car is slower (boost comes on slower), and the inside of my exhaust tips are coated white and shiney material)
  • I overheated my tranny fluid
  • I blew threw my stock brake rotors
I did have a roadrace speciific tune and it never missed a beat. Aside from the brakes he above problems are related to extreme heat and inadequate cooling. If I was running on 91 I would imagine the heat issues would be even worse as I would not have the cooling benefits of E85. Very happy with the results.

Edited by RPM, 15 May 2013 - 07:48 AM.




#17 Mad_Mike Posted 15 May 2013 - 11:44 AM

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What's the difference between a road race E85 map and a Road or drag E85 map please......? I guess road race map will put more stress on the car / components.



#18 RPM Posted 20 May 2013 - 11:33 AM

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Road race E85 map would be more conservative. Necessary as tracking is very hard on  the engine, you want to ensure you have some breathing room with your tune.



#19 davidm_sh Posted 20 May 2013 - 06:56 PM

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View PostRPM, on 20 May 2013 - 11:33 AM, said:

Road race E85 map would be more conservative. Necessary as tracking is very hard on  the engine, you want to ensure you have some breathing room with your tune.

To even take that a step further I recently had my car tuned on E85 for road course work. And I requested the tuner tune a map with lower than stock boost to achieve my baseline dyno #s. I am hoping between the claimed 'runs cooler with E85' AND running a couple of lbs less boost will result in lower oil and coolant and overall engine operating temps on the road course for me =).

Hopefully will see how it works out this coming Friday



#20 RPM Posted 20 May 2013 - 07:04 PM

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Good luck. Let us know how it goes!




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