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Old 02-04-2013, 01:22 AM   #6901
Maxwell Power
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Quote:
Originally Posted by amalgrover View Post
I really liked the Southbend Stage 2 Endurance clutch when I tried it. It held quite a bit of power, and felt the same or maybe slightly softer pedal effort than stock. Most recently I used the ACT XT 6-puck sprung clutch, and I really liked that. The pedal effort is a bit stiffer, but nothing horrible by any means. It held my power without issues. From what I have seen, this clutch and a couple of others rated to about the same is about the highest you can get without going dual or triple disc.
Nice.
I run ACT XTSS on everything. Love that clutch.
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Old 02-06-2013, 11:44 PM   #6902
xluben
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I went from the ACT HD and 4 puck sprung disk on a 5 speed to the ACT XT and solid 6 puck on a 6 speed. I find the unsprung 6 puck to have a lot less chatter. You have to keep the rev's low and let the clutch out quick, but if you do it right it's smooth. The XT has a lot firmer pedal feel.

Anyways, what are the practical power limits for each of these pumps (on E85, Dynojet WHP):

Walbro255
DW300
Aero340
Walbro405
Walbro465

Curious for both stock wiring and hardwired to the battery.

Also wondering if anyone has gotten the Walbro405 or 465 to fit into the 08+ plastic housing?
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Old 02-07-2013, 12:13 AM   #6903
WRXt4cy
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Quote:
Originally Posted by xluben View Post
I went from the ACT HD and 4 puck sprung disk on a 5 speed to the ACT XT and solid 6 puck on a 6 speed. I find the unsprung 6 puck to have a lot less chatter. You have to keep the rev's low and let the clutch out quick, but if you do it right it's smooth. The XT has a lot firmer pedal feel.

Anyways, what are the practical power limits for each of these pumps (on E85, Dynojet WHP):

Walbro255
DW300
Aero340
Walbro405
Walbro465

Curious for both stock wiring and hardwired to the battery.

Also wondering if anyone has gotten the Walbro405 or 465 to fit into the 08+ plastic housing?
I haven't found the limits for the others but I did recently find it with the 465 on an 07 STi running a 35r on E85. The injectors are 1400's and its currently at stock base pressure and not hardwired. It was able to hold 24.5 psi to redline at about 11.9 : 1 AFR. Virtual Dyno in DynoJet mode said 485 whp. Its getting hardwired next to see how much that helps and then bumping up base pressure will be the next thing.

I'm hoping that the 465 can be stuffed into the plastic housing because I want to upgrade to this pump on my 11 STi when I go bigger but I'm afraid it might not be possible without some pretty significant modification to the housing.
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Old 02-07-2013, 01:11 AM   #6904
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Also wondering if anyone has gotten the Walbro405 or 465 to fit into the 08+ plastic housing?[/quote]



Yes... it fits for a fact...

I have a walbro405 installed in stock housing... The only thing I had to do was shave two tabs that I didn't need when I had a 255 in there. It fits just fine with room to play for the slightly wider 465.
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Old 02-12-2013, 11:10 AM   #6905
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Finally on E-85. Its a super soft tune at only 17.8 lbs of boost to clean out the motor and get all the residual 91 craptastic out of the system

Mods are Dom3 xtr 8cm with 2.4 inlet and IWG
ID 1000
Walbro 255
Turbo xs FMIC
hybrid motor with thicker head gasket
cosworth 272 cams

Drive train is a JDLM v7 6 speed with a competition clutches unsprung 6 puck.

I made around 330 hp and 300ft lbs
I will be getting my final tune next monday and will post up the plot.We are going to stay super conservative as I am on a low mile OEM 2.5 ltr hybrid with cosworth 272's
A built long block is in the works.

I will put it all in the proper format just wanted to welcome myself here, and give a little teaser. I think we are on to somthing with those power numbers at such low boost.
Funny how I say we when all I did was spend the money. GST motorsports has done all the wrenching and tuning. I am super happy.
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Old 02-12-2013, 11:14 AM   #6906
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Quote:
Originally Posted by Shayhan27 View Post
Finally on E-85. Its a super soft tune at only 17.8 lbs of boost to clean out the motor and get all the residual 91 craptastic out of the system

Mods are Dom3 xtr 8cm with 2.4 inlet and IWG
ID 1000
Walbro 255
Turbo xs FMIC
hybrid motor with thicker head gasket
cosworth 272 cams

Drive train is a JDLM v7 6 speed with a competition clutches unsprung 6 puck.

I made around 330 hp and 300ft lbs
I will be getting my final tune next monday and will post up the plot.We are going to stay super conservative as I am on a low mile OEM 2.5 ltr hybrid with cosworth 272's
A built long block is in the works.

I will put it all in the proper format just wanted to welcome myself here, and give a little teaser. I think we are on to somthing with those power numbers at such low boost.
Funny how I say we when all I did was spend the money. GST motorsports has done all the wrenching and tuning. I am super happy.
E85, DOM 3, 1000 cc injectors, 255 pump?

Maybe you're power goals are pretty low but I suspect you'll run out of fuel before you get very far.

Good luck with it though and let us know how it goes.
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Old 02-12-2013, 11:47 AM   #6907
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Originally Posted by WRXt4cy View Post
E85, DOM 3, 1000 cc injectors, 255 pump?

Maybe you're power goals are pretty low but I suspect you'll run out of fuel before you get very far.

Good luck with it though and let us know how it goes.
/\ /\ Agreed, your fueling will be your limit. I would upgrade the pump the the Walbro 465, rewire it with the larger gauge wire/ relay, add a FPR if you don't have one and bump the base pressure decided by your tuner. The injectors will flow plenty with the right set up and tune. I'm making 540+ WHP with the ID 1000's, Perrin TF rails, Wally 465/ rewired through the OEM FPC, Aeromotive 1000 FPR set ar 50 psi base and the Blouch 3.5XTR.

I've just scheduled a touch up tune with Jr at PnL for the 26th now that we have the injectors sorted out and have bumped the rev limit to 8K. I ran a quick pump gas log yesterday, not a full pull in any gear but it's feeling very strong. I'm seeing 22 psi in both 3rd and 4th gears by 3600-3800 rpm and that equates to 380-400 WTQ. I may put some E85 in the car this week and see if I can get a good log down and see what the IDC's are!
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Old 02-12-2013, 12:23 PM   #6908
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How much power do you think FiveO 1200's could support with a hardwired 465 and increased fuel pressure?
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Old 02-12-2013, 12:26 PM   #6909
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Originally Posted by xluben View Post
How much power do you think FiveO 1200's could support with a hardwired 465 and increased fuel pressure?
Woah woah your supposed to be staying stage 1.

I'd ask whoever is tuning it to be 100% but I feel like I've seen setups similar hit mid to high 500's depending on the dyno

Last edited by SubieLuvin; 02-12-2013 at 12:55 PM.
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Old 02-12-2013, 01:02 PM   #6910
WRXt4cy
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Originally Posted by xluben View Post
How much power do you think FiveO 1200's could support with a hardwired 465 and increased fuel pressure?
Quote:
Originally Posted by SubieLuvin View Post
Woah woah your supposed to be staying stage 1.

I'd ask whoever is tuning it, but I feel like I've seen setups similar hit mid to high 500's depending on the dyno
You can never have too much fuel for stage 1! He's probably just curious anyway.

I think you'll get a little over 500 whp at base pressure and could get a little more with an adjustable FPR and a bump up towards 50 psi.

If what manitou is saying he can get with 1000's is true then you might be good for more than that but there could be a difference in how you're dyno reads whp vs his.

I'll post up my findings when I'm done with the 35r STi I'm tuning right now. He has 1400 cc injectors and the 465, stock wired. We were out of fuel at 24.5 psi and showing 490 whp on VD. He bumped the base pressure to 47 and we gained some headroom. He is going to hardwire the pump soon to see how much that helps.
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Old 02-12-2013, 01:14 PM   #6911
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I'm just bustin his balls haha he just went back to stage 1 from a much more powerful setup I've followed his build.
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Old 02-12-2013, 01:26 PM   #6912
WRXt4cy
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Originally Posted by SubieLuvin View Post
I'm just bustin his balls haha he just went back to stage 1 from a much more powerful setup I've followed his build.
I know you are. His build thread is one of my favorites. People are seriously emotionally attached to it. Its great.
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Old 02-12-2013, 01:29 PM   #6913
manitou
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Originally Posted by WRXt4cy View Post

You can never have too much fuel for stage 1! He's probably just curious anyway.

I think you'll get a little over 500 whp at base pressure and could get a little more with an adjustable FPR and a bump up towards 50 psi.

If what manitou is saying he can get with 1000's is true then you might be good for more than that but there could be a difference in how you're dyno reads whp vs his.

I'll post up my findings when I'm done with the 35r STi I'm tuning right now. He has 1400 cc injectors and the 465, stock wired. We were out of fuel at 24.5 psi and showing 490 whp on VD. He bumped the base pressure to 47 and we gained some headroom. He is going to hardwire the pump soon to see how much that helps.
Yeah Junior's been putting some time into getting the most out of these ID1ks with his tunes! The big Wally, the big wire and 50 psi base is part of it. The other big factor is the killer b header, they frickin ROCK! I do have very good high flowing cammed D25 heads also! I really need to check the IDCs on E85 with these ID1ks. With the DW 1100s I hade we made 540 WHP at 80% IDC same base and all but just revving to 7k.

He'll be good for plenty of power with the rewire and 59 psi base!
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Old 02-12-2013, 01:37 PM   #6914
WRXt4cy
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Originally Posted by manitou View Post
Yeah Junior's been putting some time into getting the most out of these ID1ks with his tunes! The big Wally, the big wire and 50 psi base is part of it. The other big factor is the killer b header, they frickin ROCK! I do have very good high flowing cammed D25 heads also! I really need to check the IDCs on E85 with these ID1ks. With the DW 1100s I hade we made 540 WHP at 80% IDC same base and all but just revving to 7k.

He'll be good for plenty of power with the rewire and 59 psi base!
Yeah, I'm impressed and happy to see people are finally addressing the real issue with providing fuel when running E85. It drives me nuts when people simply throw huge injectors in instead of just providing enough flow to properly sized injectors. I don't understand why that was so hard to figure out.

Your numbers make a lot more sense seeing that you've opened things up a lot. I've done a couple tunes with the Killer B header and I have to agree, it rocks. I've seen pretty impressive gains even on a stock turbo setup. Its on my personal list of future mods.

Have you noticed any drivability issues with such high base pressure?
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Old 02-12-2013, 02:05 PM   #6915
manitou
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Originally Posted by WRXt4cy View Post

Yeah, I'm impressed and happy to see people are finally addressing the real issue with providing fuel when running E85. It drives me nuts when people simply throw huge injectors in instead of just providing enough flow to properly sized injectors. I don't understand why that was so hard to figure out.

Your numbers make a lot more sense seeing that you've opened things up a lot. I've done a couple tunes with the Killer B header and I have to agree, it rocks. I've seen pretty impressive gains even on a stock turbo setup. Its on my personal list of future mods.

Have you noticed any drivability issues with such high base pressure?
Thanks! And thanks to Jr who has put in the time on my tune! He's now sent me 3 different set of revised maps after the initial tune with the DW injectors. So I thought to be fair I would have him put it back on the dyno and finish her up.

The Killer b HH I believe improves the VE enough to maximize everything. Jr made 360WHP & 450WTQ with a vf48 on e85 with my XTI this past summer.

This car drive great right now on pump, idles perfectly at 800 AFRs at 14.5-6. Pulls smooth, drives like stock.....until ya give'r....then hold on
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Old 02-12-2013, 02:24 PM   #6916
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Thanks! And thanks to Jr who has put in the time on my tune! He's now sent me 3 different set of revised maps after the initial tune with the DW injectors. So I thought to be fair I would have him put it back on the dyno and finish her up.

The Killer b HH I believe improves the VE enough to maximize everything. Jr made 360WHP & 450WTQ with a vf48 on e85 with my XTI this past summer.

This car drive great right now on pump, idles perfectly at 800 AFRs at 14.5-6. Pulls smooth, drives like stock.....until ya give'r....then hold on
Yeah, I'm curious to see what I can get out of it on my stock VF48 before I go bigger. My last VD showed 370 whp / 430 wtq at an ambient temp around 37* F. I think your right that the VF48 has little more in it with some VE improvement.
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Old 02-12-2013, 06:30 PM   #6917
manitou
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Yeah, I'm curious to see what I can get out of it on my stock VF48 before I go bigger. My last VD showed 370 whp / 430 wtq at an ambient temp around 37* F. I think your right that the VF48 has little more in it with some VE improvement.
I made that power with the VF48 at over 90* F in August on my stock EJ255 with 126K on the clock! Yeah I broke ringlands on #2 & 4 but I knew that would eventually happen even thought my CT and LDT's were 150 psi on all 4 and <10% leakdown on all 4. Plus this was on a MAF tune and we all know that the IAT in the MAF sucks ass pre turbo! If I did it again I would relocate the IAT in front of the TB and do a SD tune on the VF.

I like that VF48, too bad the turbine oil seals SUCK ASS. I know there are rebuild kits for VF's but someone should improve the oil seals on the hot side of them!

You sure can make a lot of torque and quickly with E85 and the VF's!
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Old 02-12-2013, 06:39 PM   #6918
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I made that power with the VF48 at over 90* F in August on my stock EJ255 with 126K on the clock! Yeah I broke ringlands on #2 & 4 but I knew that would eventually happen even thought my CT and LDT's were 150 psi on all 4 and <10% leakdown on all 4. Plus this was on a MAF tune and we all know that the IAT in the MAF sucks ass pre turbo! If I did it again I would relocate the IAT in front of the TB and do a SD tune on the VF.

I like that VF48, too bad the turbine oil seals SUCK ASS. I know there are rebuild kits for VF's but someone should improve the oil seals on the hot side of them!

You sure can make a lot of torque and quickly with E85 and the VF's!
How many miles did your engine last before it went? I have about 12,000 on E85 now with plenty of hard driving, track days, and drag strip passes. Its been holding together well so far.

Yeah, I've been following the SD patching work closely and I'm anxious to get my STi switched over to it.

I'm switching my wife's Spec C over to SD as soon as I get an IAT sensor into the intake manifold and wired up.
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Old 02-12-2013, 06:52 PM   #6919
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probably too much timing. People seem to think that e85= 7 more degrees of timing when it only means 2.5 to 5.
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Old 02-12-2013, 07:28 PM   #6920
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Put the IAT in the IC tubing or on the IC right in front of the throttle body. If its in the intake it will most likely be exposed to more heat soak.

It probably lasted 2k miles after that. It was making 300 WTQ by 2800 and 450 WTQ by 3200 rpm. Just too much torque for the 126k miles on the motor. If it was a SD tune and the IAT was near the TB it may have pulled timing because of the more accurate IAT temps and prolonged the motor a bit longer. No worries though it was going to happen sooner or later. I like my build now!
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Old 02-12-2013, 08:24 PM   #6921
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/\ /\ Agreed, your fueling will be your limit. I would upgrade the pump the the Walbro 465, rewire it with the larger gauge wire/ relay, add a FPR if you don't have one and bump the base pressure decided by your tuner. The injectors will flow plenty with the right set up and tune. I'm making 540+ WHP with the ID 1000's, Perrin TF rails, Wally 465/ rewired through the OEM FPC, Aeromotive 1000 FPR set ar 50 psi base and the Blouch 3.5XTR.

I've just scheduled a touch up tune with Jr at PnL for the 26th now that we have the injectors sorted out and have bumped the rev limit to 8K. I ran a quick pump gas log yesterday, not a full pull in any gear but it's feeling very strong. I'm seeing 22 psi in both 3rd and 4th gears by 3600-3800 rpm and that equates to 380-400 WTQ. I may put some E85 in the car this week and see if I can get a good log down and see what the IDC's are!
The end result power goals for this car were around 400 +or- so not trying to be cheap but wanting to do it with minimal mods. I am still using the stock boost sylonoid and fuel rails and MAF. Fuel pumps are pretty cheap so I dont mind using the walbro for now and then changing out later.

On the next motor we will throw more parts at it as the goal then will be high to mid 10 second 1/4th miles in full street trim.

I do alot of research on what I think I want but for the most part I leave part selection in the hands of my tuner.
Thank you guys for your input.

Last edited by Shayhan27; 02-13-2013 at 01:22 PM.
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Old 02-12-2013, 08:40 PM   #6922
manitou
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probably too much timing. People seem to think that e85= 7 more degrees of timing when it only means 2.5 to 5.
I don't think there was that much added timing. It was most likely timing but I really fault the MAF base tune and the IAT location when pushing the stock build that hard and the ECU not seeing the accurate IAT temps. Oh yeah I should have put the IAT in the fender.... That would've been much better!! Haha...yu da man PG!

In hind sight I really should have done a SD tune but the stock motor had 126k on it and 80k at stage 2+
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Old 02-12-2013, 11:48 PM   #6923
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probably too much timing. People seem to think that e85= 7 more degrees of timing when it only means 2.5 to 5.
Probably not ..

But I do agree people go overboard with a lot of things on e85

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Old 02-13-2013, 07:46 PM   #6924
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wait...so you made 450wtq on a stock ej255 with 126k on it, and you blame the IAT compensations?
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Old 02-13-2013, 08:36 PM   #6925
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wait...so you made 450wtq on a stock ej255 with 126k on it, and you blame the IAT compensations?
Look I'm not blaming anyone, got that? **** happens!! Yep, my motor was used but not hung up wet.....I did compression and leak down tests before hand. 150 psi on all and <10% LD on all. Before the tests I was using oil, not excessive mind you but more than I liked. It turns out the VF turbine seals were shot. There is another reason for that but I'm not going to bash a vendor on this thread! So I got another good VF48.

Yes, I blame myself and the location of the IAT on the MAF based tune because it does not read correct IATs for proper compensation of timing! Especially whe you push them hard with fuel like E85! You think that's flawed? I knew pushing the SB and the VF48 on E85 at 126k was a risk but I said let's see what she can do! Maybe I was really wanting the block to go so I could do my built motor???

Last edited by manitou; 02-13-2013 at 08:58 PM.
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