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Old 01-20-2013, 06:02 PM   #426
manitou
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You can also swap an e AVCS head into a AVCS car. You just have to plug the holes in the front of the e cams and divert or block the oiling ports feeding the e AVCS sprockets. It's been done. I had a set of 08 STI heads and did the research on the swap. I decided to sell them for a few reasons and I made some $$ on the heads!
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Old 01-20-2013, 06:05 PM   #427
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Why go through the trouble of putting in e-avcs heads if you're just gonna plug it and not use it? Doesn't make much sense.
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Old 01-20-2013, 06:05 PM   #428
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The d25 head is a hemispherical cumbustion chamber shape. I think dom was talking about it in another thread recently.

If thats what you meant anyway...curious if thats better and if so by how much. I would find it interesting that subaru would take the time to develop dual avcs for the car but put/leave an ineferior cumbustion chamber if they had a better available.
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Old 01-20-2013, 06:08 PM   #429
manitou
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Originally Posted by Phatron View Post
Manitou, you have any proof of that?
I do not personally but according to Dom Acia/ MPS he claims the burn chamber is more efficient in the D25 vs the B25. Would I have made the same power the same way with B25 heads on my XTI? Probably not. The gains from the D25s might be cancelled out by the e AVCS heads but the off boost and quicker response of the higher compression ratio of the D25 is still beneficial!
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Old 01-20-2013, 06:12 PM   #430
manitou
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Quote:
Originally Posted by Phatron View Post
Why go through the trouble of putting in e-avcs heads if you're just gonna plug it and not use it? Doesn't make much sense.
It would be more for possible availability and the possible better condition of the newer heads. That's why I bought the 08s I had and that's the same reason a few others have done the swap.
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Old 01-20-2013, 06:15 PM   #431
manitou
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Quote:
Originally Posted by KurtP View Post
The d25 head is a hemispherical cumbustion chamber shape. I think dom was talking about it in another thread recently.

If thats what you meant anyway...curious if thats better and if so by how much. I would find it interesting that subaru would take the time to develop dual avcs for the car but put/leave an ineferior cumbustion chamber if they had a better available.
I hear ya on this issue but it might have to do with CR and keeping it lower for whatever reasons Subaru determines.

Dom was talking about it in the killer b results thread and he was talking to me about it. I kept my D25s from my EJ255 for the reasons I mentioned above. The results do speak to this!
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Old 01-20-2013, 06:42 PM   #432
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Quote:
Originally Posted by manitou View Post
The motor assembly just before install.

A shot of the Dom 3.5XTR


My sleeper XTI after a bath!

My plan for it this winter is to install a dual HID Morimoto kit and black out the surrounds in the head lamp assembly! I also plan to black out the tail light surrounds and install LED lamps.
She looks great!! I passed mine along finally. Miss her badly but my GC and GTR are getting some nice make overs now.

You have mail BTW

Quote:
Originally Posted by KurtP View Post
I dont think there are d25 davcs heads. How difficult would it be to deacivate exhaust avcs in the ecu to run d25 heads on a sti motor?

Very easy to deactivate.


Quote:
Originally Posted by manitou View Post
Yes there is a reason to swap a non e AVCS head into an e AVCS capable car! It's not so much about the e AVCS, AVCS, non AVCS it's about the combustion chamber and volume of the CC. It would be worth swapping a D25 head into an 08+ STI to get the better shape of the CC and the lower volume!

It sounds like shutting off the e AVCS solenoids is not a problem so I would say its worth it if you wanted the higher compression and more efficient CC! JMHO
Yerp..
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Old 01-20-2013, 06:59 PM   #433
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Originally Posted by Junior2JZ View Post

She looks great!! I passed mine along finally. Miss her badly but my GC and GTR are getting some nice make overs now.

You have mail BTW

Very easy to deactivate.

Yerp..
Thanks buddy!!

Yeah I understand on the XTI! Know that you have a big part in mine and hopefully it won't disappoint anyone except maybe jokers that screw with it

I can't wait to see the ff carbon gc fly and the results from your work on the GTR. you gotta bring them both to The Midwest for some fun!!
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Old 01-20-2013, 07:00 PM   #434
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Junior, Do you think she'd look good with that lip?
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Old 04-24-2013, 07:32 AM   #435
west_minist
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Nice results. I am hoping in the next few months I can post some results on these turbos.

Last edited by west_minist; 04-25-2013 at 07:14 AM.
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Old 04-24-2013, 10:44 PM   #436
manitou
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Originally Posted by west_minist View Post
Nice results. I am hoping in the new fews months I can post some results on these turbos.
Thanks! Here's a re-tune of my XTI that Junior did back on March 10th after we swapped out the mismatched injectors I had for some ID1000's.

Location:PnL MotorSports
Car: 06 XTI
Gear: 3rd, 2007 STI 6 speed drive line
Tuner: Junior Barrios
Dyno Info: Dynojet
Baseline: Stock STI 230 WHP
Target Boost: 27
Fuel: E85

Dom 3.5XT-R with 8cm turbine housings
06 Sti
Killer B Holy Header w/ custom EWG up pipe
Tial MVR gate
ETS TMIC
Perrin 3" inlet
Custom 3" Intake no MAF
HP Techs/ MPS SS LR 2.5
Kelford R199B CAMS
ID1000 injectors
Walbro 465 E85 pump
Perrin TF rails
Aeromotive 1000 FPR 55 psi base
Custom Cobb/ HP Techs catted 3" TBE
Custom HP Techs 1.75" EWG Exh.
TGV deletes
Cobb AP V2b Speed Density
561 WHP, 487 WTQ

Last edited by manitou; 04-25-2013 at 12:01 AM.
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Old 04-25-2013, 07:16 AM   #437
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Can you post the VD graph?

Whats your current Duty cycle now since you are on E85?
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Old 04-25-2013, 10:57 AM   #438
manitou
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Quote:
Originally Posted by west_minist View Post
Can you post the VD graph?

Whats your current Duty cycle now since you are on E85?
Here is a VD plot for a 3rd gear pull at 25 psi, we had to dial back the boost to keep the injectors IDC's below 100%. I am limited by my ID1k injectors at this time. Every pound of boost above 24 psi with this Dom 3.5XTR turbo will yield approx. 20 WHP, so 27 psi should be fairly close to 560 WHP which is what the PnL dyno showed. a 4th gear log will show faster spool up and most likely more power but I do not have nor will I be posting any 4th gear graphs at this time.

I was logging multiple parameters during this pull, for tuning reasons. The logging rate was fairly slow with for this graph and that is why this VD graph is so smooth at #1.

Last edited by manitou; 04-25-2013 at 11:13 AM.
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Old 04-25-2013, 11:21 AM   #439
manitou
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Quote:
Originally Posted by west_minist View Post
Nice results. I am hoping in the next few months I can post some results on these turbos.
This Dom3.5XTR is a very nice DD turbo and it creates a very broad power band coming on pretty early and it flows enough to hold power out to redline without boost falling off, at least with my heads and cams. It's basically a 76mm wheel of the a 30R paired with a 64mm turbine wheel that Garrett does not use in any of their current turbos.

I am very happy with it as a stock location turbo!
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Old 04-25-2013, 06:40 PM   #440
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Is the VD set to DynoJet?

Yes its very nice. I can wait to try it out on a EJ207. Well atleast the Dom 4.0. Your Kelfords are working nice.

Can you post or pm me your VE?
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Old 04-25-2013, 08:19 PM   #441
toph
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Just dropped my DOM 3.5XT-R 08 STi off at the tuner yesterday. Should have some results for this thread in the near future. Manitou, your praise of this turbo helped me on my decision! Can't wait to get her back.
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Old 04-25-2013, 08:29 PM   #442
west_minist
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What mods do you have Toph?
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Old 04-25-2013, 08:38 PM   #443
manitou
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Yes, it says right at the top Dynojet. It seems that any turbo this big or bigger 30R and up should have cams at the minimum 264+ or 272 duration. I should have been clearer, Junior2JZ tuned my car. So it would be up to him to share the VE.
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Old 04-25-2013, 08:44 PM   #444
manitou
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Here's the 93 pump gas plot. It's at 22 psi and is a great DD map! This is what my car will be living on mostly!
454 WHP 400 WTQ
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Old 04-25-2013, 08:48 PM   #445
manitou
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Hey guys here's a fun launch video I did from one afternoon at my buddy's shop. It's on the 25 psi E85 map.
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Old 04-25-2013, 10:28 PM   #446
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That looks great for only 22psi and pump gas. Wow
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Old 04-26-2013, 12:05 PM   #447
toph
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Originally Posted by west_minist View Post
What mods do you have Toph?
Here is a link to my build thread. Pretty basic setup. No E85 around me so I'll be running a 93 octane map 95% of the time and also a 110 octane map when I want to have fun

http://forums.nasioc.com/forums/show....php?t=2489220
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Old 04-26-2013, 12:57 PM   #448
manitou
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That looks great for only 22psi and pump gas. Wow
Thanks Slim, Junior did a nice job on the tune! The pump map pulls smooth, linear and strong! No fueling issues with the pump gas!
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Old 04-26-2013, 11:14 PM   #449
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Yeah it looks great on pump and.beast on e85. I wish it was more easily accessible. Id love to have it. Make over 500 easily. Plus it smells like fresh McDonalds fries. Can't beat that
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Old 04-27-2013, 08:34 AM   #450
manitou
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Yeah it looks great on pump and.beast on e85. I wish it was more easily accessible. Id love to have it. Make over 500 easily. Plus it smells like fresh McDonalds fries. Can't beat that
Cornolicious!!
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