Project GD STI We Don’t Need a Damn Rotated Mount Turbo
So with our last go around of Project GD STI we had reached our goal of 500 wheel hp but we were not entirely pleased with our powerband. Our power…
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IAG Performance
22 posts
Project GD STI, Installing an Upgraded Precision Ball Bearing Drop In Turbo and Larger Injector Dynamics Injectors
In our previous article, we had gotten a new Precision Turbo ball bearing center section drop in factory replacement turbo to replace our previous turbo that was choking our engine…
Project GD STI, Fixing all the Details!
There are a lot of small details involved with swapping an engine, especially when upgrading all of the system parts for higher performance. These make the difference in the reliability…
IAG’s New Easy Plug and Play Drive By Wire Big Throttle Body for the EJ257.
We previously had gotten an IAG Performance big throttle body for Project STI, although it was a nice piece it was not exactly user-friendly. You had to get the drive-by-wire…
Project GD STI, Out with the Old and in with the New!
It is time for us to swap out our damaged EJ257 and install our IAG 700 engine. We spent a lot of time waiting on parts to finish the job,…
Freeing up the EJ257 Intake Flow with Process West and IAG
We were planning to run a Cosworth intake manifold on Project STI’s IAG motor but we were unable to find one for a decent price as they have been discontinued…
Superlap Battle COTA, an Insiders Look at Working an Event
Last week I flew to Austin Texas to support Evasive Motorsports in their efforts to turn a fast lap at Super Lap Battle at the Circuit of the Americas or…
Project GD STI, Getting Ready For the Engine Swap
In our previous articles, we covered the build-up of our EJ257 engine collaboration with IAG Performance. Now we have been collecting a bunch of parts to make our installation go…
WATCH: How an Air Oil Separator Works and Why You Need One!
In this video Mike takes a look at the IAG Air Oil Separator for one of our Subaru projects, explains the difference between an AOS and an oil catch…
Project GD STI, IAG’s new high capacity EJ Oil Pump!
IAG has just dropped their Stage 1 and Stage 2 oil pumps for all EJ engines. We will be using their Stage 2 pump on our own Project GD STI.…
WATCH: How to Solve Your Subaru Fueling Problems. The Right Way!
In this video Mike explains the shortcomings of the stock Subaru fuel system and how to fix it the right way. This fuel system is capable of supporting up…
WATCH: Fix Subaru Oiling Issues for Good!
In this video Mike talks about yet another shortcoming of the Subaru EJ engine and probably the best way to fix it! If you liked the video, please subscribe…
Solving Subaru EJ Oiling Issues for Good with IAG Performance!
Subaru EJ engines are known to have oiling problems caused by the oil pan and pick up. We personally know quite a few people who have lost engines on the…
Project GD Subaru STI, High Power Fuel System Upgrades!
When last tuning our STI with Cobb’s flex-fuel system, we had maxed out our Mass Air Flow Meter, fuel pump and had our injectors going at the maximum duty cycle…
The Rest of the Engine for Project WRX
We have been getting parts to finish off the engine build on Project GD WRX. If you have been following the project you can check out what we have done…
Project GD Subaru STI, Building the Engine Part Five: Final Engine Assembly With IAG.
In our last story, you saw how IAG Performance assembled our short block with meticulous care. Now our engine travels to the second of IAG’s two cleanrooms for final assembly.…
Project GD Subaru STI, Building the Engine Part Four: Assembling the Short Block With IAG.
If you have been following our EJ257 engine build series with IAG Performance, you have been able to look inside IAG’s incredible attention to detail in machining and parts selection. …
Project GD Subaru STI: Building the Engine Part Three, Cylinder Head Technology With IAG Performance.
The cylinder head is one of the most important parts when it comes to making power in an engine. Although headwork is less critical in a turbo engine than a…
Project GD Subaru STI: Building the Engine Part Two, Bottom End Bits With IAG Performance.
In part one of our series of building the motor for Project GD STI we talked about the IAG Performance engine cases we are using and all of the prep…
Project GD Subaru STI, Building the Engine Part One, Prepping the Case With IAG Performance.
It had to happen eventually. Our Project STI was running great. We had plans to build the engine as our 400 whp was past the limit that a stock bottom…
SuperPro Suspension Parts joins the Devine Force Racing STi and is put to work at COTA
Subarus are known for their competitive advantage of AWD and the ability to always have traction pulling you through the corners. It’s important to note the use of pulling, and…
StopTech/G-Loc Combo for the Devine Force Racing STi
We’ve all been there, that moment coming down a long straightaway, absolutely HAULING FAST as possible, as the unforgiving braking zone approaches. A quick tap to the brake pedal with…