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Old 05-25-2009, 05:36 PM   #1
02wrxdude
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Default Advice needed from E85 guys?

Currently I am running a simple stage 2 set up, TBE, UP, snorkel delete and K&N drop in, but over the summer I am planning on stepping up to a new turbo and running E85. I will be modding my stock injectors, upgrading to a walbro 255 fuel pump, but im not sure which turbo i should run. Ive been searching and it seems that the VF34 or 22 would be right for me to reach my goal of 300 AWHP, but Im wondering if these are my best options? Other suggestions? Ideas?
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Old 05-25-2009, 06:08 PM   #2
juanmedina
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Old 05-25-2009, 06:16 PM   #3
02wrxdude
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Ive read that entire thread, im just wondering if Im on the right path or if there are other turbos I should be considering

Ive also read the entire turbo thread so Im just asking for personal advice
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Old 05-25-2009, 06:21 PM   #4
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just choose which one you think is right.

some ppl are gonna tell you a bunch of different things, then other people are gonna say things which disagree with those.

then you're back to square 1.
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Old 05-25-2009, 07:27 PM   #5
GeneralTJI
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Why not get it switched over to E and get what you can like that. You might be happy with it.. E85 will make more power, and safer... see what you get then upgrade to a larger turbo.
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Old 05-25-2009, 07:56 PM   #6
02wrxdude
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I just figured if I have the funds and Im already upgrading the injectors and pump, i might as well go for a new turbo and IC setup
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Old 05-25-2009, 11:58 PM   #7
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Quote:
Originally Posted by 02wrxdude View Post
I just figured if I have the funds and Im already upgrading the injectors and pump, i might as well go for a new turbo and IC setup
This is definitely a good idea. No point on having to tune it twice. Plus, I'm assuming you are going to do this on your 02 WRX, the td04 just falls flat trying to run E85 with it. No real point, I've tried it, and it feels better than normal, but it just left me thinking of what could have been with a better turbo. So, I got a fp small 16g. Fun, but unfortunately, I wish I would have went larger.

Regardless, any turbo you get you will definitely enjoy, but I'd recommend going larger than than you think you need. Maybe see how this new fp hta68 one works out.
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Old 05-26-2009, 02:30 AM   #8
02wrxdude
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I like the looks of the FP 18g. . . but will I be past the capabilities of modded stock injectors on this turbo?

PS Rexblake, what part of MN are you from? and if youre name is also blake that is a strange coincidence
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Old 05-26-2009, 02:53 AM   #9
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Try the new FP HTA68. For $850 you can't go wrong.
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Old 05-26-2009, 11:18 AM   #10
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Yeah I had an 18g on my 2002 wrx with E and it was tons of fun, I ended up making 360 wtq and 325 whp 21 psi tapering to 14 psi on a conservative tune....and 740cc injectors-lol they were the limiting factor
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Old 05-26-2009, 03:04 PM   #11
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Quote:
Originally Posted by 02wrxdude View Post
I like the looks of the FP 18g. . . but will I be past the capabilities of modded stock injectors on this turbo?

PS Rexblake, what part of MN are you from? and if youre name is also blake that is a strange coincidence
I know it! How ironic indeed. I live in Mankato MN.
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Old 05-26-2009, 04:00 PM   #12
02wrxdude
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im down there all the time, in fact ill probably be down there this weekend, but back on topic, like i said im doing this on a pretty tight budget so a brand new hta86 may be out of the question, but from the discussion on that thread I may go with a used vf39 or 18g
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Old 05-26-2009, 07:39 PM   #13
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You will run out of injectors on E and 18g

<<<<

You will like an 18g but trust you me go with the 8cm2 hotside - I regret not going that route about twice a day.
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Old 05-26-2009, 07:55 PM   #14
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I would personally say 18g, not just bc that's what i'm about to be running The VF's COULD get you there but you'd be pushing them, whereas an 18g would get u there more comfortablly + you'd have room for more later.
I see most 18g setups making atleast 315-320whp, good luck...should have my setup going in about a month.
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Old 05-26-2009, 08:38 PM   #15
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A VF39/43 is a good cheap option for a budget build because they're easy to find/cheap, and they're a good upgrade over the stock TD04.. However IMO it's still a bit too small for a 2L, IMO a 20G/FPGreen is a great sized turbo for the 2L.. You'll see full boost just after 4K rpm and itll hold power all the way to redline, whereas the VF series turbos cant run as much boost and die off up top even on the 2L.. I've never ran this setup personaly but my buddy ran a VF39 on his 02 wrx and it was a very nice setup, especially for the cost.. And on race gas with the 5 speed and a VF39 11's is no problem for the wrx..
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Old 05-26-2009, 09:16 PM   #16
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Quote:
Originally Posted by JSarv View Post
You will run out of injectors on E and 18g

<<<<

You will like an 18g but trust you me go with the 8cm2 hotside - I regret not going that route about twice a day.
Why the regret? And what are the flow differences between the 7cm2 & 8cm2 hotsides, is it that big? i heard the 7cm2 can have boost creep issues on the 2.5 but not much else other than that.
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Old 05-26-2009, 09:20 PM   #17
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Quote:
Originally Posted by JSarv View Post
You will run out of injectors on E and 18g

<<<<

You will like an 18g but trust you me go with the 8cm2 hotside - I regret not going that route about twice a day.
From what i've heard the 8cm hotside doesnt make too much of a difference on the 2L motor. I dont know for sure as i obviously dont have either the 2L or a 8cm2 hotside.. But from what i've read the 2L doesnt suffer from the backpressure issues as much as the 2.5L motor does obviously..
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Old 05-26-2009, 09:22 PM   #18
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Mine does... An 8cm2 hotside would really help out the top end - but again I'm at the end of my heads/cams as well...

I just suggest an 8cm2 hotside for future reasons, I will be running one as soon as I need to rebuild my turbo, but probably be running a td06 8cm2 rather than a td05...

According to airboys spreadsheet I make over 350whp/340wtq which seems to be fairly accurate - this is at 23psi... I'd like to be able to hold my power above 5700 which the only thing I can think of is the hotside and cams/heads..

-Jerod
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Old 05-26-2009, 09:39 PM   #19
Buggn' Out
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Quote:
Originally Posted by JSarv View Post
... I'd like to be able to hold my power above 5700 which the only thing I can think of is the hotside and cams/heads..
-Jerod
uhhhh EWG duude! btw what's ur motor setup?
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Old 05-26-2009, 09:45 PM   #20
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Yea... But currently my mods are my block sitting on an engine stand (did some preventative maintiance) waiting on my V8 6 speed from DS1 which should arrive in two thousand never apparently...

Greddy/MHI TD05-18g 7cm2 3" compressor cover
APS Inlet
TGV/Intake Manifold Port and polished and deleted and stuff by myself
Hondata gaskets
STI Top Mount - Stock scoop and splitter lol
Stock manifold
Perrin Up
Invidia Down
Perrin CBE v1 single tip
Bosch ID1000's
Perrin Fuel rails v1
Perrin Crank Pulley

HAD ACT streetlight flywheel as well

E85

3-6k in 4.2 seconds in 3rd gear... I think 0-60 was around 3.95-4 using launch control but 5mt broke before I made it to the track (not even beating on it haha) and I've been waiting on my 6 speed from DS1 for two weeks (VERY sore subject and I'm NOT happy with them)


-Jerod

I'd really like at least an 8cm2 turbine housing and ewg.. I think with 26-28psi and a front mount I could knock on 400's door
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Old 05-26-2009, 09:50 PM   #21
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^^A EWG would be a much betetr way to go IMO than the 8cm2 hotside.. With the EWG the air will bypass the hotside.. Many reputable tuners have commented on this and say it really helps out alot on the FPReds (a 65lb/min stock location turbo) which is basically the biggest stock location turbo, or any turbo with too small of a hotside (basically the stock location turbos)
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Old 05-26-2009, 09:54 PM   #22
JSarv
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And an 8cm2 hotside would also help- considering I see 22psi by 3300 rpms - I don't think an 8cm2 is going to bother me with loosing 3-500 rpms of spool...

I think both in combination would be perfect for a 2.0 - I think a 2.5l needs 9-12cm2 hotside to perform worth a damn.. But that is rotated territory only..


-Jerod
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