Project GD STI, Dyno Tuning for Big Power with Reliability
Well, it’s finally time to get Project STI started and tuned. As with many of our projects, we enlisted the help of Shawn Church of Church Automotive Testing to get…
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Rodger Clark Motorsports Subaru EJ Low Temperature Opening Thermostat
We had noticed that the coolant temperature of Project STI was pretty hot considering that the car had a big CSF radiator and a Greddy oil cooler, in fact, the…
Modernizing the Nissan VG30DETT, Polar Engineering’s Ignition Upgrade
The VG30DETT found in the 300ZX Turbo had a state-of-the-art ignition system back in the early 90’s. It had one of the first direct-fire, coil-on-plug ignition systems on a production…
Nissan VG30 Adjustable Timing Gears by BDE
Until now there have never been any adjustable timing gears for the VG30DETT and VG30DE as found in the 300ZX and the 300ZXTT. Brett Dempsey Engineering or BDE has come…
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…
Modernizing the VG30DETT, Fixing the Oil System
The VG30DETT is known to fail the rod bearings. Since the oil pump seems to have decent capacity and the rod bearings have a sufficient surface area, we believe a…
Project Nissan Skyline R33 GT-R – Part 6: Clutch, Diverter valves, catch cans, and Dyno testing. Going from bad..to great..to terrible.
It’s been several months since we’ve updated you on our Project Nissan Skyline R33 GT-R. We battled some gremlins and figured things out along the way, and are finally moving…
Squirrel Power: Making a Minibear Part 2
Our 1982 Suzuki FA50 is a pretty fun little machine. It turns heads and is a great little around-town runabout, perfect for parts store runs and other short errands. However,…
Modernizing the VG30DETT, Strengthening the Block With Engineered Performance
There has been a resurgence of interest in 90’s Japanese cars as of late and with that a surge in new parts development with specific popular models. In our case,…
What is Shot Peening and Why is it Useful?
If you are a long-time MotoIQ reader you probably know we often prescribe shot peening for heavily stressed metal parts. You have probably read about us prescribing the shot peening…
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,…
Dyno Testing the Holley Skyram Intake Manifold
We first wrote about Holley’s Sky Ram intake manifold as an April fools joke. Although many people thought this was photoshop, Holley actually made a working Sky Ram manifold using…
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…
Big Power with a MSD Atomic Intake Manifold and Tuning for Project C7 Corvette!
In our last episode of Project C7 Corvette, we installed some Hooker Blackheart long tube header for the direct-injected LT1 engine. For this episode, we are going to add an…
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…
Getting Big VR38DETT Power with Extreme Turbo Systems!
We are getting Project R35 GT-R ready for a huge power infusion if you have been following things. Our goal is to exceed 1000 hp with less turbo lag and…
Reducing FA20 engine Vibrations and Boosting Power!
When driving our Project FR-S on the track, we noticed that the engine has a pretty noticeable vibration at 6500 rpm. This was especially noticeable in the higher gears where…
Holley Officially Releases the SkyRam Intake for LS Motors!
We were pretty in shock at our first view of the Holley SkyRam intake manifold. Holley just dropped the press release for it today so we can finally write about…
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…
Project DBA R35 GT-R, Building the VR38DETT Engine for Mad Power with MAD Sweden!
So after maxing out the VR38DETT engine with simple bolt-ons and having to limit the torque to spare the stock rods and connecting rods, we are going to embark on…
The Best of 2021, #4: Testing The CSF VF Engineering A90 A91 Supra Intake Manifold Intercooler
CSF Radiators in collaboration with VF Engineering is about to launch a new intake manifold for the A90 and A91 Toyota Supra with both the B58B30C and B58M30O1 engines –…
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.…
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…
How To Check and Set Engine Bearing Clearances
Running the proper clearances in the main and rod bearings are some of the most critical things to control when building an engine. Having the correct clearances means the difference…
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…
Jeep LS Swap Part 2: Donor Teardown
“You’re going to do what with this truck?” Wait, let me back up. When I started the not-so-harebrained-project of swapping my Jeep XJ’s lump of iron 4.0 for a Chevy Gen…
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…