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Old 05-27-2010, 06:17 PM   #1
DSM Nexus
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Default My 2.1 Stroker build with part numbers so you can do it too!

Ok, well after a few months of research and finnally getting the opportunity to down my 02 WRX for this, I figured I would save a few people the time of having to look at multiple threads to find what they need to do this as well.

This all started because I have been getting worried about wanting to run a more powerful tune, but I still had the stock 2.0 motor. I considered doing a 2.5 hybrid but didnt like the way people talk about the head flowing issues. I even came close to just picking up a used jdm STi motor. Only problem is I want to see it put together and I want to be the one who puts the miles on it. So I looked for other options and came upon this.

I cannot gaurantee any of these parts will work with your car, this is not a guide but a reference tool and my build thread.

Parts: Most of them I ordered from subarugenuineparts.com because it was the cheapest and turnaround time was usually quick, not to mention anything that your just replacing on the car like gaskets and water pumps and such is just a strait forward lookup. For things like that I didnt provide part numbers since its easy to just get the part without hassle.

Block with bent rod - 170

Balancing, Cleaning, and Machining (Indio Motor Machine) - 520
ACL Race bearings (+.001 mains and rods) and ARP head bolts (extremepsi.com) - 250

08 Nitrided STi Crank 12200aa430 - 310

4 STi Rods 12100aa291 - 215

Mahle Stroker Pistons SUB193642I16 (thmotorsports.com) - 455

Grimmspeed Phonelic Spacers 8mm - 100

Haltech E8 and GM 3 bar map sensor that doesnt work because I got jipped by a lexus owner - 730


New Haltech flying lead harness - 340

GM air temp sensor 25036751 - 20
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Old 05-27-2010, 06:17 PM   #2
DSM Nexus
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Various Buckets to go shimless (part numbers are on opposedforces.com) - 300

Brand new heads 11063aa841 11039ab361 and valves 13202aa401 13201aa391 for when yours are cracked - 1300

Engine Gasket Kit (doesnt have everything) (no part number, looked up on subarugenuineparts.com) - 230
More Gaskets like the valve covers and IM to TGV (opposedforces.com) - 40
Water Pump (no part number, looked up on subarugenuineparts.com) - 90
08 STi 11mm Oil pump to make up for the extra tolerance bearings 15010AA360 - 100
Belt Tensioner (no part number, looked up on subarugenuineparts.com) - 110
Timing Belt (no part number, looked up on subarugenuineparts.com) - 110
Oil Pressure Gauge - 60
New Hoses for everything - 20
TGV deletes - free diy
TGV delete caps - 25 or so, just found them online
Last but not least.. DOMO - 10



I picked up a doner block from a member on here a couple of months ago and had it decked, hot tanked, and bored out to 92.5mm with the help of the guys at Indio Motor Machine. They did a wonderful job on the block and cant complain.

At the same time I had the entire rotating assembly balanced and had them put the rods on the crank.

Once that was back we started cleaning and piecing everything together.

Cleaned the block halves (not clean in the first pic)


Placed the bearings


Lubed up the gaskets so they dont move and placed sealant

Back from the machine shop with the rods already torqued down

Last edited by DSM Nexus; 05-27-2010 at 06:27 PM.
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Old 05-27-2010, 06:18 PM   #3
DSM Nexus
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Setting the crank in and getting ready to seal the halves


Block is finally together





Piston time! I thought this would be a bit difficult as its my first build.. but they went in smooth and without issue.

Piston art thanks to my builder (huge rotory builder) and friends that were here


Last edited by DSM Nexus; 05-27-2010 at 06:53 PM.
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Old 05-27-2010, 06:18 PM   #4
DSM Nexus
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Continues engine porn..

New Heads.. didnt get pictures after we put in the new valves though


In goes the ARP hardware

Heads on



Can you spot the awesomeness? I'll give you a hint, it contains the numbers 383.

Put away for TGV porting

TGVs in and cams as well for measuring buckets to go shimless

Water Pump on


And for the hell of it, DOMO!

Last edited by DSM Nexus; 05-27-2010 at 06:46 PM.
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Old 05-27-2010, 06:28 PM   #5
DSM Nexus
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Got the oil pressure gauge mounted but not wired in yet.


Got the new shimless buckets in, waiting on valve cover seals before we use sealant on the half moon pieces. Also put on the back cam covers and exhaust manifold.


Used the kent cam tool which worked perfectly to install the cam pullys and then did the timing belt.


Front covers on.. starting to look like a motor again.


Put the turbo and up pipe on.


Ready for insertion..


Finally in the car after fighting a bit.


Intake air temp sensor needed a home.


Got the downpipe, radiator, accessories, re did the gaskets for the valve covers.. started removing parts of the old harness and mocked up the intake manifold to make room for the Haltech



Last edited by DSM Nexus; 06-02-2010 at 02:02 AM.
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Old 05-27-2010, 06:35 PM   #6
DSM Nexus
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Perrin fuel rails




Back together and washed for some miles!


Last edited by DSM Nexus; 06-11-2010 at 04:47 AM.
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Old 05-27-2010, 06:36 PM   #7
yeahdudebrown
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Nice thread!

What's the grand total at now? I'm too lazy to add up myself.

I can't wait to hear about the results.
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Old 05-27-2010, 06:45 PM   #8
Freeman38
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subscribed... Waiting for results too
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Old 05-27-2010, 06:58 PM   #9
DSM Nexus
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Quote:
Originally Posted by yeahdudebrown View Post
Nice thread!

What's the grand total at now? I'm too lazy to add up myself.

I can't wait to hear about the results.
I stopped counting, there have been so many small parts and issues here and there like an 80 mile trip to Apollo Performance for headbolts to cut up and clean the threads, missing head dowels, and numerous cans of brake cleaner.. I'm at the point to where I just wanna get it done and drive home.
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Old 05-27-2010, 07:00 PM   #10
DSM Nexus
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Quote:
Originally Posted by Freeman38 View Post
subscribed... Waiting for results too
Probably wont be doing a dyno right after, but once I make my trip home I will be popping it up on one and fine tuning it. I'm currently on a 68 HTA turbo. I made 298 on HB Speeds dyno several months ago. So I will have a nice comparison.
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Old 05-27-2010, 07:00 PM   #11
MartinSTi05
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What are you using for assy lube? I can't make any out in the pics.
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Old 05-27-2010, 07:02 PM   #12
DSM Nexus
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Originally Posted by MartinSTi05 View Post
What are you using for assy lube? I can't make any out in the pics.
.. going to the garage to look at it
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Old 05-27-2010, 07:04 PM   #13
DSM Nexus
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Lucas semi-senthetic high performance assembly lube. Its the green stuff. For sealant we use the right stuff which is also found at autozone.
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Old 05-28-2010, 12:46 AM   #14
becoolyolanda
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sweet is there any way i could buy ur old engine off u??
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Old 05-28-2010, 03:46 AM   #15
DSM Nexus
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Originally Posted by becoolyolanda View Post
sweet is there any way i could buy ur old engine off u??
Haha, its pending sale for tomorrow with the heads, if it doesnt go through then I'll let you know. Are you on the base?.. Wait a sec.. wtf is this Nick?
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Old 05-28-2010, 11:05 AM   #16
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What power package are u intending to do?? GT3076?
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Old 05-28-2010, 11:17 AM   #17
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Quote:
Originally Posted by DSM Nexus View Post
Probably wont be doing a dyno right after, but once I make my trip home I will be popping it up on one and fine tuning it. I'm currently on a 68 HTA turbo. I made 298 on HB Speeds dyno several months ago. So I will have a nice comparison.
Unless you change fuels, I am willing to bet you won't see much more HP, but your TQ will be bumped up to a similar figure as the HP and you will have notably more mid-range.
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Old 05-28-2010, 01:28 PM   #18
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Originally Posted by Mohammadov View Post
What power package are u intending to do?? GT3076?
For now I'm sticking with what I had to see the difference, just the 68 HTA.
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Old 05-28-2010, 01:34 PM   #19
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Unless you change fuels, I am willing to bet you won't see much more HP, but your TQ will be bumped up to a similar figure as the HP and you will have notably more mid-range.
I do plan on making a second map for race gas and am hoping to push it to 24-26psi. I want to do a few things before I go for more power mods. I want to have an extra rear diff on the side and I have an opportunity to get a really nice Willwood front brake kit. After that I will be going with Alkycontrol 100% meth injection and EWG.
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Old 05-29-2010, 02:37 AM   #20
becoolyolanda
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yea its nick thats crazy i was think about goin ewg and meth ftw
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Old 05-29-2010, 04:45 AM   #21
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Hahaha nice writing on the pistons.
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Old 05-29-2010, 05:58 AM   #22
DSM Nexus
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Originally Posted by becoolyolanda View Post
yea its nick thats crazy i was think about goin ewg and meth ftw
I'm tellin ya, you gotta do the meth after seeing what it did on the supra and on another rx-7.. that stuff is crack. You can touch the manifold on this guys rx-7 and it would normally scar you, but it was cold to the touch. Pulling from 1st to 4th we watched as the intake temps dropped from 130ish to 70ish. Its only $42 down in indio for a 5 gallon container of it too.
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Old 05-29-2010, 05:59 AM   #23
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Hahaha nice writing on the pistons.
Haha, thanks! We get bored when building motors with a bunch of guys just around.
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Old 05-29-2010, 08:06 PM   #24
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Quote:
Originally Posted by DSM Nexus View Post
I'm tellin ya, you gotta do the meth after seeing what it did on the supra and on another rx-7.. that stuff is crack. You can touch the manifold on this guys rx-7 and it would normally scar you, but it was cold to the touch. Pulling from 1st to 4th we watched as the intake temps dropped from 130ish to 70ish. Its only $42 down in indio for a 5 gallon container of it too.
yea bro thats a must...ok heres another predicament for ur robot brain to solve so when i get that money im only gunna have lik 5k to spend on car **** wat would be the best to get with that money out of ppg, internals, 18 or 20g, ewg, meth, crack, if i got the bigger turbo id need supporting **** injectors intercooler i noe wat ur probably gunna say but i want speend now u noe me input porfavor...
ne one elses input would be greatly appreciated as well...
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Old 05-30-2010, 04:18 AM   #25
DSM Nexus
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Quote:
Originally Posted by becoolyolanda View Post
yea bro thats a must...ok heres another predicament for ur robot brain to solve so when i get that money im only gunna have lik 5k to spend on car **** wat would be the best to get with that money out of ppg, internals, 18 or 20g, ewg, meth, crack, if i got the bigger turbo id need supporting **** injectors intercooler i noe wat ur probably gunna say but i want speend now u noe me input porfavor...
ne one elses input would be greatly appreciated as well...
Hey, no thread jackin. Just txt me or send a pm if you have questions about doing a build for ya. Theres a ton of info on this site, just look.
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