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Old 01-14-2013, 11:58 AM   #1
04WRX_Boost
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Default Hybrid build talk

Wanted to see if we could get a current hybrid build talk going , all the other threads seem old. If we could get people to post they're build specs and how many miles they have on the build would be great! My build is in the works!
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Old 01-14-2013, 12:48 PM   #2
04ScoobyWtf
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04 wrx about 150 miles so far

100mm wiseco
Eagle rods
Grounded crank
Acl race main ad rod bearings
.002 on rods .0015 on main .003 ptw
Blueprinted and balanced
Cometic .051 hg
Arp headstuds
Rebuild heads
No chamber work

Pinks, walbro, Catless tbe, and so on

Last edited by 04ScoobyWtf; 01-14-2013 at 01:44 PM.
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Old 01-14-2013, 01:52 PM   #3
04WRX_Boost
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How's your CR? Was also gonna go with the cometic HG
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Old 01-14-2013, 02:48 PM   #4
04ScoobyWtf
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Honestly I haven't looked at the cr since I've had my heads shaved. But off boost it is awesome and idk yet about in boost. I also have 8.9.1 cr pistons. So it's gonna be high
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Old 01-14-2013, 03:06 PM   #5
04WRX_Boost
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That's awesome is it much different than the regular 2.0? Would like to hear about the on boost driving
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Old 01-14-2013, 03:20 PM   #6
04ScoobyWtf
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Give me a few weeks to get it tuned and ill let you know. I'm still running the stock td04
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Old 01-14-2013, 04:08 PM   #7
04WRX_Boost
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Sounds good man I am also getting tuner by clark turner , I bet the td04 spools super early!
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Old 01-14-2013, 04:24 PM   #8
j_howard
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2003 wrx hybrid.
257 short block
750cc injectors
Turboback exhaust
Cobb DP
Synergy 20G turbo
Hallman MBC
17PSI
rebuilt 2.0 heads
TVG deletes
Gate Timing belt and AC/PS
STI TMIC

Car was rebuilt last year at 101,000 miles and now has 150,000 on it.
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Old 01-14-2013, 04:34 PM   #9
fastblueufo
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ej257, pt5857, MBP on E85

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I'm on my second hybrid. The first made it over 60k miles.
This build has 65 miles on it so far.
2.5 block
Manley billet crank
Manley rods
JE fsr 99.75 pistons 26cc dish
Cosworth 1.1mm head gaskets
Arp 625+ head studds
Ej205 heads
8.2-1 compression ratio (static)

My last build was a stroked ej22t that had same internals as the 2.5 hybrid. A head gasket blew and ruined the deck of the block. I just bought 2.5 block and swapped everything over to it since the 22t only had 2500 miles on it. I was using cometic hg. Don't know if they were to blame but I had cosworth on the last 2.5 hybrid and they were stiil in after 60k miles so I went back to the cosworth on this new build.
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Old 01-14-2013, 04:52 PM   #10
04WRX_Boost
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Wow this is good info. Seems like most people are going with forged internals I wish I had the extra Cash for forged pistons , I'm doing

Stock sti pistons, hopefully they last
Ej205 heads
Cometic .51 head gasket
20g td06 turbo
850cc Injectors
Ej257 block
Clark turner tune

Trying to find sti heads so my CR isn't too high.
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Old 01-14-2013, 05:02 PM   #11
fastblueufo
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Quote:
Originally Posted by 04WRX_Boost View Post
Wow this is good info. Seems like most people are going with forged internals I wish I had the extra Cash for forged pistons , I'm doing

Stock sti pistons, hopefully they last
Ej205 heads
Cometic .51 head gasket
20g td06 turbo
850cc Injectors
Ej257 block
Clark turner tune

Trying to find sti heads so my CR isn't too high.
While its apart I def wouldn't use stock pistons on a hybrid. You need to beg borrow or steal or at least charge for a set of forged pistons.the je fsr have a deeper dish and valve cutouts designed to use with 2.0 heads and 2.5 block. Stock hg gives you 8.5-1 static and a .041" gasket gives you 8.2-1 static. No way would I use stock pistons.
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Old 01-14-2013, 05:02 PM   #12
04WRX_Boost
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Quote:
Originally Posted by j_howard
2003 wrx hybrid.
257 short block
750cc injectors
Turboback exhaust
Cobb DP
Synergy 20G turbo
Hallman MBC
17PSI
rebuilt 2.0 heads
TVG deletes
Gate Timing belt and AC/PS
STI TMIC

Car was rebuilt last year at 101,000 miles and now has 150,000 on it.
How's she pull with the 20G on 17 pounds ? And is the sti block stock? Did you go forged pistons or just stock?
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Old 01-14-2013, 06:07 PM   #13
03SubyWRX
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97 Impreza pimp wagon

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My EJ205 burnt a valve around 150k. I've been running the following hybrid setup for about 6.5k miles:

704 casting EJ255 block, bored and honed to fit 99.75mm pistons
Mahle 4032 pistons, 99.75mm
Eagle conrods
OEM STi nitrided crank
ACL main and rod bearings, OEM spec clearances
OEM STi head gasket
Rebuilt and CnC'd EJ205 heads (ASF Machine rocks!)
Stock head bolts (oh noes!)
Stockish compression
Rotating assembly fully balanced from clutch to crank pulley

Modded stock injectors to 840cc
VF34 PnP'd tuned to 18 psi (upgrading to twin scroll 20G-TD06 this summer)
TGV Deletes
Perrin Fuel Rails
GS EBCS
Turbo back exhaust
Protuned by Matt Miner @ Wicked Innovation

VERY happy with my build, and looking forward to moving up to the 20G. My engine burns NO oil and is extremely quiet; many people are surprised when I tell them I have a built motor. No problems yet!
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Old 01-14-2013, 08:50 PM   #14
j_howard
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Quote:
Originally Posted by 04WRX_Boost View Post
How's she pull with the 20G on 17 pounds ? And is the sti block stock? Did you go forged pistons or just stock?
She pulls nicely on 17psi. Tuned by Kert of Millerspec in Las Vegas 333awhp/350awtq. Stock STI block
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Old 01-14-2013, 09:47 PM   #15
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Quote:
Originally Posted by fastblueufo View Post
While its apart I def wouldn't use stock pistons on a hybrid. You need to beg borrow or steal or at least charge for a set of forged pistons.the je fsr have a deeper dish and valve cutouts designed to use with 2.0 heads and 2.5 block. Stock hg gives you 8.5-1 static and a .041" gasket gives you 8.2-1 static. No way would I use stock pistons.
The 2.0L and 2.5L (Phase II anyway) have the same valve angles, valve sizes, and valve locations so there is not a valve-to-piston clearance issue to be concerned about.
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Old 01-14-2013, 10:38 PM   #16
04WRX_Boost
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Quote:
Originally Posted by RalliSpec

The 2.0L and 2.5L (Phase II anyway) have the same valve angles, valve sizes, and valve locations so there is not a valve-to-piston clearance issue to be concerned about.
I was thinking the same thing
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Old 01-15-2013, 01:07 AM   #17
dinggoo
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Well im in the middle of my Hybrid build on my 02 wrx but here is my list pretty much

EJ257 block with EJ20 Heads
-STI Rods
-STI Crank
-100mm ROSS Forged Pistons
-Redone heads and valve adjustment
-ARP head Bolts
-Cosworth .7mm head gaskets
-TGV Deletes
-STI TMIC
-TD05 16g
-DW 650CC
-Gimmick Inlet
-K&N Filter with Short Ram Intake
-Walbro 255LHP Fuel Pump
-Injen Catless Uppipe
-Buschur Racing Catless Turbo Back Exhaust
-AP tuning

Last edited by dinggoo; 01-20-2013 at 12:42 AM.
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Old 01-15-2013, 08:00 AM   #18
04WRX_Boost
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I have decided to go with the sti heads as well any insight on how to block off acvs? I'm am trying to find info on this.
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Old 01-15-2013, 09:54 AM   #19
danger1138
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I hope u guys are doing well with your builds but after tons of reading i dont hear anything but bad things about td04's on hybrids. They seem to run out of breath and not circulate enough air around.
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Old 01-15-2013, 10:00 AM   #20
04WRX_Boost
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Quote:
Originally Posted by danger1138
I hope u guys are doing well with your builds but after tons of reading i dont hear anything but bad things about td04's on hybrids. They seem to run out of breath and not circulate enough air around.
I've herd this too. And that they are done by around 5000 rpm. So I'm going 20g.
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Old 01-15-2013, 10:29 AM   #21
danger1138
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Before goin hybrid i contemplated at least goin VF turbo, bought a used one with lots of shaft play (lesson learned) and decided to go another route; went with 16gxt & i love it. Wasnt looking for huge numbers just a reliable daily ..
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Old 01-15-2013, 10:36 AM   #22
lohr700
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2002 Subaru WRX
2005 STi Short Block
Mahle PowerPak 4032 Pistons 100mm
Eagle rods (H beams)
ACL Bearings
OEM head studs
Nitraded Crank
Meagan Racing polyurethane Engine Mounts
2.0 liter heads
-Radius valve job, cleaning & resurfacing
-pocket/bowl port
-2.5l chamber matched
-bench valve adjust
-BC 280s
-titanium valves and springs.
Precision 5858 turbo (rotated)
Grimmspeed manual boost controller
TurboXS FMIC w/ Matte White powder coated piping
Custom fabricated up pipe/down pipe
Custom short ram
Tial 44mm EWG
Batlground 1.5 scroll EL header
Invidia g200 exhaust
TGV deletes
11mm oil pump

Currently still being built over at Batlground Motorsports in Smyrna, GA
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Old 01-15-2013, 12:31 PM   #23
04WRX_Boost
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Quote:
Originally Posted by j_howard
2003 wrx hybrid.
257 short block
750cc injectors
Turboback exhaust
Cobb DP
Synergy 20G turbo
Hallman MBC
17PSI
rebuilt 2.0 heads
TVG deletes
Gate Timing belt and AC/PS
STI TMIC

Car was rebuilt last year at 101,000 miles and now has 150,000 on it.
What head head gasket are you using ?
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Old 01-15-2013, 04:38 PM   #24
j_howard
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Quote:
Originally Posted by 04WRX_Boost View Post
What head head gasket are you using ?
Using Cosworth head gaskets 1.5mm
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Old 01-15-2013, 05:20 PM   #25
03Sonicywrx
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03 wrx

257 block
"Drop in" manleys
Matched heads
Hta green

Car made 400whp and 380wtq...... Dyno jet at precision tuning.

It's now in the shop for bigger fuel setup/front money. Getting ready for e85. I'm shooting 460+ out of this.

As for tuning I'm using the groupN rom, running on speed density. The tune will be pretty darn aggressive, so we'll see how she comes along here within the next couple of weeks!
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