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Old 01-06-2014, 11:01 PM   #7926
lawtonmc
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Quote:
Originally Posted by WRXt4cy View Post
Did you have the same setup on the old (stock I assume?) motor? I'm wondering if you noticed a big difference with the higher compression on the new motor. I've never heard from anyone that went higher compression without changing too many other variables to get a good comparison.
Im not to sure exactly what the specs were on the old motor other than JE pistons because it had been built by the previous owner.
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Old 01-07-2014, 12:04 AM   #7927
amalgrover
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I did a build on my bugeye where only the compression was changed, and it made a decent difference below the power curve but not much above it. It did make more power, but not much. Below peak torque though, it made a pretty good amount more power a pretty good amount sooner.

This was running 9.77:1CR, FP Red 8cm, a 2.5L ej255, stock sti exhaust manifolds and uppipe, and stock ej255 heads with avcs inactive.
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Old 01-12-2014, 12:56 PM   #7928
Zee Biker
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Quote:
Originally Posted by amalgrover View Post
I did a build on my bugeye where only the compression was changed, and it made a decent difference below the power curve but not much above it. It did make more power, but not much. Below peak torque though, it made a pretty good amount more power a pretty good amount sooner. This was running 9.77:1CR, FP Red 8cm, a 2.5L ej255, stock sti exhaust manifolds and uppipe, and stock ej255 heads with avcs inactive.
what happened to your power thread?
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Old 01-12-2014, 02:56 PM   #7929
amalgrover
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I have no idea...did it get deleted?
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Old 01-12-2014, 11:25 PM   #7930
vicious_fishes
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Quote:
Originally Posted by Maxwell Power View Post
You mean the cylinder with more timing, less fuel programmed and poor cooling from the factory?
Quote:
Originally Posted by baseballdbk1 View Post
^^^Winner Winner!
i ran a series setup for quite some time with an "on the limit" tune (too lean) that was inevitably going to kill the engine (albeit slowly) when i had my ej25. eventually we got to a point of bad compression ONLY on cylinder #3, lots of blowby etc etc. pull the engine and yep, it's definitely worse off than the others.

install a new donk and change NOTHING other than convert to parallel setup... still even on the same tune and zero problems. with everyone banging on about cyl#3 being the one to die first for aforementioned reasons, and my tune being too lean, i didn't consider this coincidence.

so in light of all that, can you elaborate on what you said for me?
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Old 01-13-2014, 05:11 PM   #7931
STIinthefe
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DW 850cc should be in the mail today to run e85 on the stock vf39. have people had good luck with romraider for tuning their own cars? my tuner lives 45 minutes away. or would it be better to buy a cobb ap and have him send me a tune to get the car down to him.
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Old 01-13-2014, 05:14 PM   #7932
WRXt4cy
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Quote:
Originally Posted by STIinthefe View Post
DW 850cc should be in the mail today to run e85 on the stock vf39. have people had good luck with romraider for tuning their own cars? my tuner lives 45 minutes away. or would it be better to buy a cobb ap and have him send me a tune to get the car down to him.
Have him send a base map to get you there. 45 minutes is a very short drive for a proper tune.
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Old 01-13-2014, 05:17 PM   #7933
amalgrover
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We have absolutely no way of knowing if you are capable of tuning your own car. Romraider and ecuflash are great tools that many upon many of us have had success using, but if you aren't knowledgeable about what you are doing, you will blow something up. Tuning isn't the most complicated thing in the world to do, but it definitely isn't a cakewalk or something you just pick up in a weekend by reading a DIY and watching a YouTube video.

I am all for people learning to do it on their own, but definitely do your homework, and be smart enough to realize if you are going to be in over your head or not. If you are, turn it over to a professional.
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Old 01-13-2014, 05:42 PM   #7934
STIinthefe
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thanks. i have a little experience with HP tuner i watched/helped a good friend run data logs and was apart of the road tune for a couple mods and pump gas on his 2011 cobra. i am not comfortable making an aggressive tune for my self. i guess the question just should have been whats the best way to get my car 45 miles down the road with the DWs installed. i dont own a cobb ap or wideband or tuner software currently.
also its about 35 minutes of highway and then the rest is residential
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Old 01-13-2014, 05:52 PM   #7935
WRXt4cy
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02 v8 Spec C E85

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Quote:
Originally Posted by STIinthefe View Post
thanks. i have a little experience with HP tuner i watched/helped a good friend run data logs and was apart of the road tune for a couple mods and pump gas on his 2011 cobra. i am not comfortable making an aggressive tune for my self. i guess the question just should have been whats the best way to get my car 45 miles down the road with the DWs installed. i dont own a cobb ap or wideband or tuner software currently.
also its about 35 minutes of highway and then the rest is residential
It partly depends on your tuner. If they tune with open source, you can either buy your own flash cable and have him send a base map to you that you can flash, or you can find someone locally with a flash cable and have them help you flash a base map.

If you tuner only tunes with Cobb, then you'll need to buy an Access Port anyway and then they can send you a base tune for that.
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Old 01-13-2014, 05:56 PM   #7936
STIinthefe
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thanks for the info. he tunes open source. i have been tuned once before for mods and 91. do you have more info on that cable.
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Old 01-13-2014, 06:01 PM   #7937
WRXt4cy
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02 v8 Spec C E85

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Quote:
Originally Posted by STIinthefe View Post
thanks for the info. he tunes open source. i have been tuned once before for mods and 91. do you have more info on that cable.
You can buy one new HERE

Its a really good tool to have in my opinion, even you don't actually tune your own car. You can still check things and run logs for your tuner in the event something seem off. You can also flash base maps or updates to your tune as needed.

If you don't have the budget for one then ask around and see if someone local to you has one and I'm sure they can help you flash a base map.
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Old 01-13-2014, 06:33 PM   #7938
STIinthefe
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thats great info man. really thanks a lot.
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Old 01-14-2014, 09:05 AM   #7939
Icebound
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2006 sti

330hp/385tq (at 20psi)

-stock vf39 turbo
-stock block and heads
-ets 4" titanium fmic
-id 1000s (around 73-75% duty cycle)
-ap fuel rails
-gs 8mm phelonic spacers
-gs 3port ebcs
-topfeed tgv deletes
-forge atmos bov
-ebay gtspec uel replica manifold and uppipe
-invidia v3 downpipe
-invidia n1 exhaust
-full blown 340 fp
-amr 3" turbo inlet
-ks tech 83mm intake
-e85
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Old 01-20-2014, 04:53 AM   #7940
1MOFOSTI
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Does the TurboXS knocklite still work 100% like it should even tho we running on E85 ?
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Old 01-20-2014, 07:52 AM   #7941
amalgrover
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Why wouldn't it? Granted I use the turboxs tuner pro, which is a tiny bit different than their basic knocklite, but it has always worked just fine and actually been more accurate than the stock system for me.
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Old 01-20-2014, 11:30 AM   #7942
kyle1.malerk
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I ran one tank of E-85 before I had to switch over to the 91 Octane map for the duration of the winter .

1) Your injectors size = ID 1000CC
2) Injector duty cycle (if you have it) = not sure but probably not much more than 80-85%
3) Elevation = 6200
4) Turbo = Stock VF-52('13 STI)
5) Dyno(figured I would add this since this makes a big difference in numbers) = DynoDynamics (load bearing, aka lower numbers)

Tuned by Servion/Revolutions Performance. Temperature outside was about 20 degrees so I got slightly higher numbers than most Stage 2 STIs.

91 Ocatane:
255 whp / 295 ftlb

E-85:
275 whp / 343 ftlb

Mods:
AEM CAI
ID 1000s
COBB DP
SPT exhaust
Walbro 255
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Old 01-20-2014, 11:12 PM   #7943
1MOFOSTI
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Quote:
Originally Posted by amalgrover View Post
Why wouldn't it? Granted I use the turboxs tuner pro, which is a tiny bit different than their basic knocklite, but it has always worked just fine and actually been more accurate than the stock system for me.
ok cool , just wanted confirmation.
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Old 01-21-2014, 11:00 AM   #7944
baseballdbk1
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Injector size: FIC 2150cc injectors
Injector duty cycle: 80-85%
Elevation: 1015 feet
Turbo: FP 3794 HTA
Dyno: Mustang 500 AWD
ECU: COBB AP V3
Boost: 37 Psi
790 WHP
698 WTQ

-TPG Tuning "stg 3" shortblock
-TPG Tuning "stg 3" cylinder heads
-Ported Heads by Curt Brown Racing
-Kelford 280 duration camshafts
-FullRace "pro-stock" manifold
-P&L Motorsports T3 up-pipe
-AMS Performance Intercooler
-TPG Tuning custom 3" intercooler piping
-TPG Tuning custom 3" down-pipe
-STM aluminum exhaust
-Radium Engineering Dual Bosch 044 Surgetank
-Cosworth fuel rails (ran in series) w/ -8 lines
-DW 65c in-tank fuel pump
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Old 01-30-2014, 06:56 PM   #7945
alcoolaid
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Just switched to ID1300's. Doing E85 flex fuel. Right now I have a single bosch 044. Will that be enough to max a 68lb/min turbo or do I need another one. Thinking 50-60psi base. 80-90 w/boost. 2.5L, 8.5k limit
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Old 01-30-2014, 07:25 PM   #7946
sackytar
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Quote:
Originally Posted by alcoolaid View Post
Just switched to ID1300's. Doing E85 flex fuel. Right now I have a single bosch 044. Will that be enough to max a 68lb/min turbo or do I need another one. Thinking 50-60psi base. 80-90 w/boost. 2.5L, 8.5k limit
Are you guys on winter E85 in British Columbia right now? Just curious if Canada does that.
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Old 01-30-2014, 07:44 PM   #7947
alcoolaid
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Quote:
Originally Posted by sackytar View Post
Are you guys on winter E85 in British Columbia right now? Just curious if Canada does that.
We don't even have E85 here

Closest station is about 2 hours away from me in Washington. I'll store a drum or 2 at my house but I pass by on the way to the race track so that's the only time I'll really need E85... unless I want to play around on the street
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Old 01-30-2014, 07:49 PM   #7948
Brown Ops
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Quote:
Originally Posted by alcoolaid View Post
We don't even have E85 here Closest station is about 2 hours away from me in Washington. I'll store a drum or 2 at my house but I pass by on the way to the race track so that's the only time I'll really need E85... unless I want to play around on the street
Damn bro!
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Old 01-30-2014, 08:05 PM   #7949
sackytar
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Start making your own!
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Old 01-30-2014, 08:34 PM   #7950
06rexwagon
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Quote:
Originally Posted by alcoolaid View Post
Just switched to ID1300's. Doing E85 flex fuel. Right now I have a single bosch 044. Will that be enough to max a 68lb/min turbo or do I need another one. Thinking 50-60psi base. 80-90 w/boost. 2.5L, 8.5k limit
Single 044 is enough pump to handle about 585whp uncorrected on our dynojet. The 1300's will likely be tapped before that.
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