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42 minutes ago, boon said:

Corn juice makes everything better. Except your fuel economy.

 

Seriously mulling a flex fuel sensor for my next bit of fun.

 

Are there any separation issues with mixing e85 and normal petrol? As in, is there some form of blending agent that’ll be in an incorrect quantity if more petrol is added, or do you purely rely on the pump and return line mixing things enough to negate the difference in their specific gravities? Although the difference is rather small, it is a difference nonetheless

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Are there any separation issues with mixing e85 and normal petrol? As in, is there some form of blending agent that’ll be in an incorrect quantity if more petrol is added, or do you purely rely on the pump and return line mixing things enough to negate the difference in their specific gravities? Although the difference is rather small, it is a difference nonetheless
That, my friend, is exactly why you'll use a flex fuel sensor for.

There's no issues with mixing e85 and normal petrol, you just mix and go.

Thing about flex fuel, is that it scales on the fly what percentage or what map it'll use VS a table it has stored on the ecu for its ethanol content targets.

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12 minutes ago, Dairusire said:

That, my friend, is exactly why you'll use a flex fuel sensor for.

There's no issues with mixing e85 and normal petrol, you just mix and go.

Thing about flex fuel, is that it scales on the fly what percentage or what map it'll use VS a table it has stored on the ecu for its ethanol content targets.

Sent from my TA-1012 using Tapatalk
 

 

Yea I get that side of it.

Just wondering in cases where the car hardly gets driven whether the mix will separate considerably while not being driven and need activity to re-blend. Obviously it’s not an engine safety thing with the flex sensor in place but would be annoying to have it sucking mostly petrol until it’s been adequately agitated

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5 minutes ago, Andy_Mac said:

 

Yea I get that side of it.

Just wondering in cases where the car hardly gets driven whether the mix will separate considerably while not being driven and need activity to re-blend. Obviously it’s not an engine safety thing with the flex sensor in place but would be annoying to have it sucking mostly petrol until it’s been adequately agitated

If that happens then perhaps you could consider that a plus. The car sits in the driveway warming up while drinking petrol. Then when you head out and start throwing the car around, your fuel mixes and you get all that sweet ethanol.

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New list is up :D If you're not in there, it's because you've not included a a Dyno sheet! Please post em up :D I'll be adding links into the list in the future so you don't have to go trawling through the posts to find them.

Post up the following:

 

Example:

 

Model: V6 STI

Displacement: 2l

Mods: 272 cams, GT3582, ID1000's

Fuel: E85

Tuner/dyno: PBMS

 

Full graph showing correction, torque and power.

 

Standard rules apply as per previous years. Must own the car still and be in same guise as power run.

 

Copypasta as follows:

 

Model: 

Displacement: 

Mods:

Fuel:

Tuner/dyno:

 

------------------------------------------------------------------

 
#1
Gotasuby - 393.4wkw
Model: 2002 V7 STI GDB
Displacement: 2.35l
Mods: S300 Turbo, ID1700@50psi base. ported heads, cams, fmic, 3" exhaust, DW300 FP, G4+, Twin scroll legacy headers. 
Fuel: E85
Tuner: Me/SAS
https://i.imgur.com/XMcznmY.jpg
 

Update to this car. We built a new engine for this year rally sprints. Wanted to max out turbo and header setup. Think the small legacy headers are at there limit. All at 25psi
 
 
#2

Username - 390wkw

Model: 00 V6 STI (GC8) - 390KW 30 PSI, (253 kw is at 13 psi).
Displacement: 2L 
Mods: GTX3071R twisted gen 1, Link G4+ wire in, black ops1400cc Injectors, 30 PSI, lots modified,  (1000HP capable block, Doweled, cdb, oil gallery mods, ARP headstud conversion).
Fuel: E75 ( read from dash EtOH sensor)
Tuner/Dyno: D TECH

 

#3 

shadywrx - 323.5wkw 535.8Nm e85/just under 280wkw on 98

Model: V7 STI
Displacement: 2l
Mods: Tomei Arms M8625 turbo etc etc etc

 

#4

YoungOne

Model: 99 V5 Type R - 312kw @ 22psi
Displacement: 2.35L
Mods: EJ22T, Syvecs S6 GP, 850cc Injectors, AVCS Heads, L19 studs, Mahle 2618 Pistons, Pauter Rods, 79mm Crank + more
Turbo/Boost: GT3076R gen 1 and 22 PSI

Fuel: BP 98

ECU: Syvecs S6 GP
Tuner/Dyno: Raijin Performance

 

#5

Furze - 302.08wkw

Model:  1996 Subaru WRX STi
Displacement: 2L
Mods: Custom exhaust, 4 Bar map sensor, Turbosmart 44mm wastegate, Flipped V8 STi Spec C manifold, FMIC, 1000cc Bosch injectors, Aeromotive FPR, Aeroflow Fuel rails, complete teflon braided fuel lines, stock Version 7 STi Longblock w/ Supertech Dual Springs
Turbo/Boost: Steve Murch Motorsport Holset HRC35/2
Fuel: Flex Fuel BP 98 (275kw), e85 w/ 3.5bar base pressure (302.08kw)
ECU: Link G4+ Plug in
Tuner/dyno: @gotasuby aka @SAS

 

#6

Marcas1234 - 301.19wkw

Model: 99 V5 STI (GC8) - 301.19KW ATW
Displacement: 2L 
Mods: GT3582R twisted, Link G4+, Five0 1000cc Injectors, Kelfords, Custom Everything, - (26PSi)
Fuel: BP 98
Tuner/Dyno: Glen Suckling (GDS Automotive) - (Hubs)

 

#7

Boon – 268wkw

Model: V7 STI
Displacement: 2L 
Mods: Holset WH1C twisted, Link G4, 1600cc Injectors, Process West TMIC, Llama Engineering custom all sorts of stuff
Fuel: BP 98 Octane
Tuner/dyno: Chris Wall, STM Dynapack

#8

Niran - 254wkw

Model: 2011 WRX STI Sedan
Displacement: 2500cc
Mods: Forged rebuild, Invidia TBE, DW65c, ID1000s, AEM CAI, AEM water/meth injection, Perrin FPR, Turbosmart IWG75 (17psi spring) and GFB Mach 2 
Turbo/Boost: Stock / 22psi
Fuel: Gull force 10
ECU: Stock
Tuner/dyno: Possum Bourne / rolling road
Power: 254kw and ~520nm 
 

#9

Hurrie/Niran - 244.46wkw

Model: 2011 Subaru STi Sedan
Displacement: 2.5L
Mods: 3" Catless downpipe with stock catback, DW65c fuel pump, Injector Dynamics 1000cc injectors, Perrin Fuel Pressure regulator, Grimmspeed 3port boost solenoid, AEM cold air intake and AEM Methanol injection running 50% water/meth mixture. Engine rebuilt using Mahle 4032 pistons, Eagle rods, ACL bearings/Headstud kit etc. Stock turbo & intercooler.
Fuel: 98
Tuner/dyno: Built and dyno'd by SAS, tuned by GK EuroTuning 


#10

Batbaruman - 241.4wkw

Model: WRX STI V7 - GDB
Displacement: 2.0L
Mods: Decapped STI Pink injectors, 3" TBE, 4" intake with poddy, bigger (unknown brand) top mount, Manifold spacers, oil cooler, larger throttle body, Murch TD05 in twisted turbo setup, bosch 044 pump, Tial wastegate, Tomei fuel reg, unknown BOV, Link ECU
Fuel: BP98
Tuner/dyno:  PBMS/ Rollling road (Dyno Torque is the dyno brand?)

#11

McMasterJamie - 223.3wkw

Model: Subaru Legacy 2002 STI V7 engine
Displacement: 2L
Mods: VF34 Turbo, silicone intake, 3inch from turbo back, SSI headers, Process West TMIC, 3 port mac solenoid, kinugawa wastegate actuator, dw65c fuel pump
Fuel: 98 BP
Tuner/dyno: Chris - Prestige Tuning and Motorsport / Dynapack

 

#11

94 Leone - 220.7wkw

Model:  04 V9 STi -220.7kW ATW 
Displacement: 2L
Mods: Full silicone intake w/ CAB & Blitz LM filter, 3mm thermal mani spacers, 3" RAGE exhaust, DW300 fuel pump, Link 3 port BCS.
Fuel: BP 98 
Tuner/dyno: Chris@ Prestige Tuning, Dynapack

 

#12

Niran – 220wkw

Model: V8 STI
Displacement: 2L 
Mods: Custom 3 inch exahust, Walbro feul pump, 3 port solenoid
Fuel: Gull Force 10
Tuner/dyno: Chris - Dtech (at the time)

 

#13

A_J_T - 213.6wkw

Model: 2001 BE5D Legacy B4
Mods: ST Conversion, VF34P20, 3" TB Exhaust, FMIC
Fuel: BP 98
Tuner/dyno: Dtech/Dave, Dynapack
 
#14
Johnnynz - 201.6wkw

Model: 1998 WRX
Displacement: 2l
Mods: VF22, V8 STI TMIC, TBE, Link G4
Fuel: BP 98
Tuner/dyno: Keith Stewart, Dyno pro

 

#15

Pedro - 201wkw

Model..  V4 sti Type R coupe
Displacement..2 litre
Mods..vf22 20psi, flipped and twisted, front mount, link G4,yellows
Fuel..BP98
Tuner..Keith Stewart Dynapack..

 

#16

Runrabbit - 197wkw

Model: V4 GC8
Displacement: 2l
Mods: Link G4, Process West TMIC, 3" TB Exhaust. Walbro, VF22
Fuel: BP 98
Tuner/Dyno: Mark/Dtech, Dynapack

 

#17

Kiwiflyboy - 193.3wkw

Model: SF5 Forester ST/b
Displacement: 2L
Mods: Link G4, VF30, 550cc Injectors, 3 inch from after downpipe
Fuel: 98
Tuner/dyno: NZEFI

 

#18-tied

Dairusire - 192.2wkw

Model: 1999 WRX STi Type RA Version 5
Displacement: 2.0L
Mods: VF36 Twin scroll conversion,17PSI boost, rage downpipe and ZeroSports exhaust, Link G4+ Storm, DW300 Fuel pump, Bosch Motorsports 1000cc injectors, aeromotive FPR
Fuel: 98 Ron
Tuner/dyno: Dave @ D-Tech, hub Dyno

 

#18-tied

Andy_Mac - 192.2wkw

Model: 2006 GT Spec B
Displacement: 2l
Mods: VF45, FMIC, Decatted DP, Aftermarket Catback
Fuel: BP 98
Tuner/Dyno: Dtech
 

#19

Thunda - 187wkw

Model:  92 RS EJ20G - 187kW ATW
Displacement: 2L
Mods: TD05 16g?, Yellows, FMIC, EWG, HKS Downpipe to Zerosports exhaust, Big Fuel pump, V3 Wasted spark setup, Link G4+
Fuel: BP 98 
Tuner/dyno: PBMS

 

#20

Mitch8198 - 179.5awkw @ 15psi

Model: V3 WRX
Displacement: 2L
Mods: VF30, Link G4+, V7 STi top mount, V1 RA cdb, 440's, fpr, Link bcs, Link iat, full catless exhaust & headers.
Fuel: BP 98
Tuner/dyno: Keith Stewart / Dynapack

 

#21

Timmah - 171.3wkw

Model: 2002 Wrx Wagon GGA
Displacement: 2l
Mods: TD05 Turbo, Decatted factory DP, Silicon intake, V7 STI Intercooler, DW200
Fuel: BP 98
Tuner/Dyno: SAS

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10 hours ago, Andy_Mac said:

 

Yea I get that side of it.

Just wondering in cases where the car hardly gets driven whether the mix will separate considerably while not being driven and need activity to re-blend. Obviously it’s not an engine safety thing with the flex sensor in place but would be annoying to have it sucking mostly petrol until it’s been adequately agitated

Second hand info so check it out for yourself but I believe if it sits the ethanol adsorbs water which lowers the octane rating. Unsure how long it takes to be a significant issue.

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18 hours ago, boon said:

 

Your Garrett is pretty small in the grand scheme of things, I predict full boost in the 4's somewhere, if not earlier.

 

My td05 20g didnt fully spool untill 4200 iirc, maybe something to do with my super low compression ratio? 7.8:1 i think, dunno but this time round cam timing is different and different headers and w/g setup so hopefully all goes good :) 

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1 hour ago, THUNDA said:

 

My td05 20g didnt fully spool untill 4200 iirc, maybe something to do with my super low compression ratio? 7.8:1 i think, dunno but this time round cam timing is different and different headers and w/g setup so hopefully all goes good :) 

lol thats quicker spool than my VF30. 22.6psi at 4650.

Was your Td05 Kinugawa stock location and would you recommend one over a vf considering the cost.

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14 minutes ago, Subru said:

lol thats quicker spool than my VF30. 22.6psi at 4650.

Was your Td05 Kinugawa stock location and would you recommend one over a vf considering the cost.

Wow that's slow.

later model stock twinscroll hits ~22psi at 3500rpm, ok so it's down to 20psi by 5500rpm but still that's over 200wkw for 2500rpm. It's 160wkw at that 3500 rpm mark so it feels quick.

 

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58 minutes ago, Subru said:

lol thats quicker spool than my VF30. 22.6psi at 4650.

Was your Td05 Kinugawa stock location and would you recommend one over a vf considering the cost.

 

Different strokes for different folks

however I won't be going back to a vf anythang :) 

 

Yes stock locatipn

 

Cant remember your dyno results but the td05 in my shed would get you to 220kw easy .Good bolt on and tune mod I guess

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29 minutes ago, THUNDA said:

 

Different strokes for different folks

however I won't be going back to a vf anythang :) 

 

Yes stock locatipn

 

Cant remember your dyno results but the td05 in my shed would get you to 220kw easy .Good bolt on and tune mod I guess

190kw

Some people here thinks I should not get a stock location turbo for various reasons but I see lots of people with TD05s that are very happy them and especially as I not looking for huge power right now I dont see why I need to spend 4k on twisted setup. Im listening to both sides so Im still undecided, probably just gonna wait for now and see what happends. Didnt your mate buy that turbo?

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Most people here thinks I should not get a stock location turbo for various reasons but I see lots of people with TD05s that are very happy them and especially as I not looking for huge power right now I dont see why I need to spend 6k on twisted setup. I kinda wanna listen to both sides ofc so Im still undecided, probably just gonna wait for now and see what happends. Didnt your mate buy that turbo?
I'm not saying don't get a new bigger stock location. I'm saying there's another bigger problem for the reason why you're not making power. Case and point above, he made 223kw off the vf34. Or 30. Yes I should know since I edited the list but still. Lol

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2 minutes ago, Subru said:

Most people here thinks I should not get a stock location turbo for various reasons but I see lots of people with TD05s that are very happy them and especially as I not looking for huge power right now I dont see why I need to spend 4k on twisted setup. Im listening to both sides so Im still undecided, probably just gonna wait for now and see what happends. Didnt your mate buy that turbo?

 

Nope, he doesn't have a link and you can't tune the stock bc5 ecu (chips don't count irl imo :P ) so he decided not to, now it just lives in my garage amoungst the other parts, wrapped in gladwrap, sitting, waiting to be installed :) 

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Didnt mean you specifically when I said most people.

Yeah I get that. Prolly just a cylinder/ring thats causing that issue, you said to get it rebuilt/freshened up which is fine but I rather not do that unless it costs nothing or NEEDS a rebuild. Why not just get bigger turbo and and if I make 210 then cool, It would probably die sooner but then do a rebuild and make way more power on new engine. I dont wanna rebuild a 'good' engine. Tuner suggested that to me actually.

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5 hours ago, Subru said:

lol thats quicker spool than my VF30. 22.6psi at 4650.

Was your Td05 Kinugawa stock location and would you recommend one over a vf considering the cost.

 

Something is slightly potato there, that's about the same as my Holset spools and it's way, way bigger than a VF30.

 

I just have this odd feeling that you're going to bolt on turbo xyz and it will make 190kw again.

 

EDIT: Unlesssss your VF30 has a huge crack in the wastegate port that's leaking a whole lot of gas past the turbine. All VF30s crack there, many just have a hairline while others end up with the grand canyon. Worth a look.

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Model:  V7 Sti

Displacement: 2L

Mods: 3 inch catless dp, 2.75 catback, 3 port, fuel pump, tune

Fuel: BP 98 

Tuner/dyno: Chris@ Prestige Tuning, Dynapack

190wkw 364nm 

20180414_163942.jpg

20180414_163948.jpg

@boon you can probably make more sense of these graphs. 

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Model:  V7 Sti

Displacement: 2L

Mods: 3 inch catless dp, 2.75 catback, 3 port, fuel pump, tune

Fuel: BP 98 

Tuner/dyno: Chris@ Prestige Tuning, Dynapack

190wkw 364nm 

Post up your dyno sheet buddy. It's part of the rules

Sent from my TA-1012 using Tapatalk

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4 hours ago, Dairusire said:

I was tempted to remove yah and keep it to top 20 but fk it. It's always cool to know everyone's results.

Sent from my TA-1012 using Tapatalk
 

I agree with keeping the list longer, helps people build up a better idea of what mods get you where.

 

Model: 2002 BE5D Legacy

Displacement: 2l

Mods: ej20 cdb, v7 wrx big port heads with v7 sti cams, wossner 92mm pistons, v7 sti rods, HX35 holset with 56mm inducer, 86 exducer billet compressor 14cm turbine housing. high compression ratio (8.8-9.?), flex fuel tuned to E40, decapped pink injectors, walbro fuel pump, link g4+, FMIC.

Fuel: BP98 (242kW) / E40 (305 kW)

Tuner/dyno: SAS/ @gotasuby Dynapack

 

942e797fac8453d1e7d1034952ce36dc.jpg

 

 

Edited by Jono24
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On 14/04/2018 at 10:49 AM, Subru said:

Model:  V7 Sti

Displacement: 2L

Mods: 3 inch catless dp, 2.75 catback, 3 port, fuel pump, tune

Fuel: BP 98 

Tuner/dyno: Chris@ Prestige Tuning, Dynapack

190wkw 364nm 

 

On 13/04/2018 at 11:33 PM, boon said:

 

EDIT: Unlesssss your VF30 has a huge crack in the wastegate port that's leaking a whole lot of gas past the turbine. All VF30s crack there, many just have a hairline while others end up with the grand canyon. Worth a look.

 

 

@Subru I have very similar mods and my vf30 also spools late (full boost 15psi@4600). The infamous crack doesnt seem to be too bad in mine but can't work out what is up with it.

 

So far my thoughts on contributing factors are the beat up 25year old engine, big volume SS headers, conservative tune and the turbo journal bearings getting tired. 

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8 minutes ago, mitch8198 said:

 

 

 

@Subru I have very similar mods and my vf30 also spools late (full boost 15psi@4600). The infamous crack doesnt seem to be too bad in mine but can't work out what is up with it.

 

So far my thoughts on contributing factors are the beat up 25year old engine, big volume SS headers, conservative tune and the turbo journal bearings getting tired. 

15psi is pretty low for the VF30, Sti's take 18psi stock. I assume its a non sti right?

15psi at 4600 is pretty laggy. After the tune I get 15psi at 3700rpm and keeps going up slowly till 22.6psi.

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