follow ft86club on our blog, twitter or facebook.
FT86CLUB
Ft86Club
Speed By Design
Register Garage Members List Calendar Search Today's Posts Mark Forums Read

Go Back   Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission

Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


User Tag List

Reply
 
Thread Tools Search this Thread
Old 02-05-2021, 12:34 PM   #29
DarkSunrise
Senior Member
 
DarkSunrise's Avatar
 
Join Date: Apr 2012
Drives: 22 BRZ (Previously 13 FR-S)
Location: USA
Posts: 5,794
Thanks: 2,164
Thanked 4,242 Times in 2,220 Posts
Mentioned: 48 Post(s)
Tagged: 2 Thread(s)
Quote:
Originally Posted by bfrank1972 View Post
Yeah that's a good point - cumulatively it'll make a significant difference, just not so much with the butt dyno In the end it wasn't worth it because I live in CT, I think there are maybe 2 or 3 E85 stations in the WHOLE STATE. One happens to be 'close' in Greenwich, but that's still 1/2 hour drive for me :/
I'm lucky that I've got an e85 station 2 min from me. If my closest was 30 min away though I'd definitely pass on it haha.
__________________
"Never run out of real estate, traction, and ideas at the same time."

2022 BRZ Build
2013 FR-S Build
DarkSunrise is offline   Reply With Quote
Old 02-05-2021, 12:35 PM   #30
NoHaveMSG
Senior Member
 
NoHaveMSG's Avatar
 
Join Date: Jan 2018
Drives: Crapcan
Location: Oregon
Posts: 11,119
Thanks: 18,091
Thanked 16,254 Times in 7,347 Posts
Mentioned: 106 Post(s)
Tagged: 0 Thread(s)
Garage
Quote:
Originally Posted by bfrank1972 View Post
Yeah that's a good point - cumulatively it'll make a significant difference, just not so much with the butt dyno In the end it wasn't worth it because I live in CT, I think there are maybe 2 or 3 E85 stations in the WHOLE STATE. One happens to be 'close' in Greenwich, but that's still 1/2 hour drive for me :/
You have got to remember there is a pretty significant difference in pump E85 blends, they can run anywhere from 51%-85% ethanol. Here is a chart I found and saved a link to a while back on the octane ratings of different blends. The more octane you run, the more timing you can run(albeit with diminishing returns on the upper end). This is why flex fuel and a proper tune can make a big difference. An OTS E85 tune is going to be pretty significantly compromised to stay on the safe side.

https://www.n54tech.com/forums/showthread.php?t=22328
__________________
"Experience is the hardest kind of teacher. It gives you the test first and the lesson afterward." -Oscar Wilde.
NoHaveMSG is online now   Reply With Quote
The Following User Says Thank You to NoHaveMSG For This Useful Post:
gen3v8 (02-05-2021)
Old 02-05-2021, 02:36 PM   #31
Lantanafrs2
Senior Member
 
Join Date: Jan 2018
Drives: 2013 frs red
Location: South Florida
Posts: 3,517
Thanks: 2,520
Thanked 3,088 Times in 1,654 Posts
Mentioned: 6 Post(s)
Tagged: 1 Thread(s)
Check out Lincoln logs video on e85 dyno results
Lantanafrs2 is offline   Reply With Quote
Old 02-05-2021, 04:16 PM   #32
gen3v8
Barred
 
gen3v8's Avatar
 
Join Date: Oct 2020
Drives: My18 wrxsti My19 brzts
Location: Botany Bay
Posts: 1,139
Thanks: 726
Thanked 1,178 Times in 607 Posts
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by NoHaveMSG View Post
You have got to remember there is a pretty significant difference in pump E85 blends, they can run anywhere from 51%-85% ethanol. Here is a chart I found and saved a link to a while back on the octane ratings of different blends. The more octane you run, the more timing you can run(albeit with diminishing returns on the upper end). This is why flex fuel and a proper tune can make a big difference. An OTS E85 tune is going to be pretty significantly compromised to stay on the safe side.

https://www.n54tech.com/forums/showthread.php?t=22328
This makes total sense
__________________
Wait until my Flex capacitor hits 88
gen3v8 is offline   Reply With Quote
Old 02-05-2021, 04:23 PM   #33
Purist
Senior Member
 
Purist's Avatar
 
Join Date: May 2017
Drives: Subaru BRZ
Location: Australia
Posts: 349
Thanks: 125
Thanked 261 Times in 145 Posts
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Meanwhile in Australia...

Sent from my SM-G973F using Tapatalk
__________________
Less More
Purist is offline   Reply With Quote
The Following User Says Thank You to Purist For This Useful Post:
JesseG (02-05-2021)
Old 02-05-2021, 04:51 PM   #34
bfrank1972
Senior Member
 
Join Date: Jul 2013
Drives: 2013 FR-S Argento
Location: Westport,CT
Posts: 1,855
Thanks: 517
Thanked 1,039 Times in 616 Posts
Mentioned: 7 Post(s)
Tagged: 1 Thread(s)
Quote:
Originally Posted by NoHaveMSG View Post
You have got to remember there is a pretty significant difference in pump E85 blends, they can run anywhere from 51%-85% ethanol. Here is a chart I found and saved a link to a while back on the octane ratings of different blends. The more octane you run, the more timing you can run(albeit with diminishing returns on the upper end). This is why flex fuel and a proper tune can make a big difference. An OTS E85 tune is going to be pretty significantly compromised to stay on the safe side.

https://www.n54tech.com/forums/showthread.php?t=22328



Agree - I remember Shiv saying that something like E60 or E65 is all you need to fully optimize timing advance on our cars (i.e. knock resistance), but I believe the tunes are optimized for otherwise stock cars. I had a P&L 4-1 header which *did* actually make a noticable seat-of-the-pants difference on 93, so maybe it's a case if you go from stock/pump to stock/e85 you'll feel a bigger difference with the OTS tunes. I was too cheap to worry about custom tunes st that point
bfrank1972 is offline   Reply With Quote
Old 02-05-2021, 05:02 PM   #35
DarkSunrise
Senior Member
 
DarkSunrise's Avatar
 
Join Date: Apr 2012
Drives: 22 BRZ (Previously 13 FR-S)
Location: USA
Posts: 5,794
Thanks: 2,164
Thanked 4,242 Times in 2,220 Posts
Mentioned: 48 Post(s)
Tagged: 2 Thread(s)
Quote:
Originally Posted by NoHaveMSG View Post
You have got to remember there is a pretty significant difference in pump E85 blends, they can run anywhere from 51%-85% ethanol. Here is a chart I found and saved a link to a while back on the octane ratings of different blends. The more octane you run, the more timing you can run(albeit with diminishing returns on the upper end). This is why flex fuel and a proper tune can make a big difference. An OTS E85 tune is going to be pretty significantly compromised to stay on the safe side.

https://www.n54tech.com/forums/showthread.php?t=22328
Do you have any data logs with your flex fuel setup? Just want to see how much timing you’re running on the top end under open loop. On my OFT non-flex e85 tune I’m hitting 34-35 degrees timing advance with local e85. I’d be surprised if MBT was beyond that, but your post is making me curious what flex fuel tunes are aiming for.
__________________
"Never run out of real estate, traction, and ideas at the same time."

2022 BRZ Build
2013 FR-S Build
DarkSunrise is offline   Reply With Quote
Old 02-05-2021, 05:12 PM   #36
ermax
Senior Member
 
ermax's Avatar
 
Join Date: Sep 2017
Drives: 2022 BRZ Limited Silver
Location: Jacksonville, FL
Posts: 2,532
Thanks: 882
Thanked 2,045 Times in 1,188 Posts
Mentioned: 68 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by bfrank1972 View Post
Mmmm maybe, didn't really feel that significant to me, I was disappointed. Also a pain in the butt with the cold start thing, didn't like the backfires in the intake manifold. I'm wondering if part of it is the perceived difference from the available local pump (not referring to you specifically) - i.e. going from California 91 to E85 probably feels better than going from east coast 93. Or maybe a tune vs. setup thing. I just went FI - now that is a difference
I solved the cold start issues on mine just this week. In Florida we don't have cold weather long enough to push me to mess with it but this year it's been cold way more often than normal so I finally got around to fixing it. I am able to start right up on the first attempt down to 34F now. Wayne's E86 tune has the cold start fixes built in.
ermax is offline   Reply With Quote
The Following User Says Thank You to ermax For This Useful Post:
bfrank1972 (02-08-2021)
Old 02-05-2021, 07:49 PM   #37
czellers
Senior Member
 
czellers's Avatar
 
Join Date: Dec 2020
Drives: 2K19 GT86
Location: Raleigh NC
Posts: 178
Thanks: 83
Thanked 39 Times in 31 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by ermax View Post
I solved the cold start issues on mine just this week. In Florida we don't have cold weather long enough to push me to mess with it but this year it's been cold way more often than normal so I finally got around to fixing it. I am able to start right up on the first attempt down to 34F now. Wayne's E86 tune has the cold start fixes built in.
I'm in NC but its always in the garage where I doubt it gets below 40.. I grew up in Jacksonville FL though!
czellers is offline   Reply With Quote
The Following User Says Thank You to czellers For This Useful Post:
ermax (02-06-2021)
Old 02-05-2021, 09:18 PM   #38
Lantanafrs2
Senior Member
 
Join Date: Jan 2018
Drives: 2013 frs red
Location: South Florida
Posts: 3,517
Thanks: 2,520
Thanked 3,088 Times in 1,654 Posts
Mentioned: 6 Post(s)
Tagged: 1 Thread(s)
South Florida has e85 all over the place
Lantanafrs2 is offline   Reply With Quote
Old 02-06-2021, 06:40 AM   #39
ermax
Senior Member
 
ermax's Avatar
 
Join Date: Sep 2017
Drives: 2022 BRZ Limited Silver
Location: Jacksonville, FL
Posts: 2,532
Thanks: 882
Thanked 2,045 Times in 1,188 Posts
Mentioned: 68 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by Lantanafrs2 View Post
South Florida has e85 all over the place

Same in Jax, FL.
ermax is offline   Reply With Quote
Old 02-06-2021, 07:23 AM   #40
bfrank1972
Senior Member
 
Join Date: Jul 2013
Drives: 2013 FR-S Argento
Location: Westport,CT
Posts: 1,855
Thanks: 517
Thanked 1,039 Times in 616 Posts
Mentioned: 7 Post(s)
Tagged: 1 Thread(s)
Yeah it is a CT thing.

Sent from my SM-G965U using Tapatalk
bfrank1972 is offline   Reply With Quote
Old 02-06-2021, 01:43 PM   #41
Lantanafrs2
Senior Member
 
Join Date: Jan 2018
Drives: 2013 frs red
Location: South Florida
Posts: 3,517
Thanks: 2,520
Thanked 3,088 Times in 1,654 Posts
Mentioned: 6 Post(s)
Tagged: 1 Thread(s)
Quote:
Originally Posted by bfrank1972 View Post
Yeah it is a CT thing.

Sent from my SM-G965U using Tapatalk
I'm from new haven originally so I get it lol
Lantanafrs2 is offline   Reply With Quote
The Following User Says Thank You to Lantanafrs2 For This Useful Post:
bfrank1972 (02-06-2021)
Old 02-08-2021, 03:21 PM   #42
vin08
275/1000
 
Join Date: Jul 2016
Drives: 2016 RS2 auto
Location: socal
Posts: 38
Thanks: 6
Thanked 5 Times in 4 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
gas is reaching $4 here in SoCal and E85 near my house that i just moved into 2 months ago is at 2.59. So i finally ordered a Flex fuel kit.
__________________
275/1000
vin08 is offline   Reply With Quote
 
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Looking to get new wheels - please advise ThaDonJsuan Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 14 01-20-2021 01:51 PM
Advise Please ricky rod Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) 37 06-19-2015 04:10 PM
New to rim fitment; someone please advise REAV3R Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 24 03-02-2015 08:02 PM
Looking for advise on buying the frs Antairez Scion FR-S / Toyota 86 GT86 General Forum 71 02-11-2015 05:33 PM
FT86 advise please eddiev116 Scion FR-S / Toyota 86 GT86 General Forum 7 02-01-2015 03:13 PM


All times are GMT -4. The time now is 09:53 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
User Alert System provided by Advanced User Tagging v3.3.0 (Lite) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.

Garage vBulletin Plugins by Drive Thru Online, Inc.