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…
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Subaru
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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,…
Subaru WRX Econo Suspension! Part 2
We had last left our GD WRX with the front suspension mods from ST Suspension and Whiteline. Now it’s time to finish the installation at the rear suspension and get…
Subaru WRX Econo Suspension! Part 1
A lot of what you see here at MotoIQ are often really high-end mods that many people can just dream about or are so high performance and track level that…
Project FR-S, Fixing the original tune with Church Automotive Testing
We had been running Project FR-S on the track for a few events. Most of these were at Streets of Willow, a tight course with a lot of turns and…
Street Friendly (And California Legal) GD Subaru STI Build! Part Three, Getting Some Green Power With Cobb Tuning
Although our home state, California has great food and possibly the best weather in the county, the regulations that govern just about everything here have made about anything you want…
Prevent Recovery Damage with Raceseng (and Mount Your Go Pro)
We have seen cars damaged at races and track days by corner workers and tow truck drivers many times. Often the damage caused by recovering the car is worse than…
Street Friendly (And California Legal) GD Subaru STI Build! Part One
If you are a follower of MotoIQ, you are probably familiar with our way of building cars. We tend to build innocuous-looking cars stuffed full of race car technology to…
Nightmotorsport Air Oil Separating Billet Valve Covers for Subaru EJ Engines
Subarus like all flat engines, blow a lot of oil out of the crankcase in their blowby gasses. This is always a problem with performance flat engines like Porsche or…
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…
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 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…
Low Buck WRX Brake Upgrade
If you own a GD WRX (2002-2007), your car is probably getting up there in miles and if you need to go through your brakes, there is a nice low…
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, Checking out the Ultimate Streetable Clutch with XClutch.
With our killer engine by IAG now sitting in our shop, it was time to start gathering the peripheral components needed to support our new motor. The next thing absolutely…
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…
Installation and testing of the KW 2-Way Clubsports on the Devine Force Racing Time Attack STi
At last! It’s the end to unwanted body roll, understeer and driving an off-roading truck through the esses of Michelin Raceway Road Atlanta. We have finally taken the steps to…
Project Subaru GD STI, Improving The Ignition System!
Nowadays it is hard to improve the ignition on late model cars. New car ignitions, especially ones with coil on plug systems are more powerful from the factory than racing…
The Dreaded Subaru p0011 and p0021 DTC Codes, Don’t Let Them Wreck Your Turbo!
So DO NOT do what we did when our Project GD STI turned on a p0011 OBD DTC code. What we figured was some sort of sensor issue ended up…
SlipAngle Podcast /// Eric “Dewey” DeWitt and Jeremy Boysen are Subaru Gurus
Episode 271 – Adam and Abe are at Blackhawk Farms Raceway over the weekend and had the best time. They talk to time attack drivers Eric “Dewey” DeWitt and Jeremy…
Rapid Designing and Testing Suspension With 3D Printing Part 2
In our last story, we were redesigning the steering knuckle/upright for the 2019 season on Dai Yoshihara’s Turn 14 Formula Drift BR-Z. Our design goals were to keep the tires…
The Closed Deck Subaru EJ20, Built for Boost!
In our last story, we were assembling the parts for Ian’s long rod stroker EJ205. Now that we had rods and a crankshaft from Eagle and Pistons from JE, it…
Designing Suspension with 3D Printing
Drift cars with their extreme steering angles are pretty difficult to design suspension for. A lot of things must be considered because geometry that works well on a regular car…
Comparing the Falken RT615 to the RT615K Plus!
The Falken RT615 has always been a good all-around Ultra High Performance dry weather tire with decent durability. Good enough to be daily driven and good enough for the track. The…
Wheels and Tires for the Subaru GD WRX
It is time to get some new shoes for our Project GD WRX. We wanted an upgrade for the car that would easily fit into the wheel wells and would…