Check out Emma Sage's human factors evaluation companion video to her latest article where she reviewed the hydrogen-powered Toyota Mirai. She has a lot of great points about the car,…
So seconds after lecturing my daughter about curbing wheels I did this... It looks like another job for Onsite Wheels. Onsite Wheels had previously fixed the wheels on our Project…
In our research for wheels and tires on our Tacoma Project we tackled two objectives. First, will it fit on the stock suspension, and second focus on the weight of…
SEMA still hasn't fully recovered to the size it was pre-pandemic but we went anyway to check it out and see what's new from some of the companies that support…
Last summer we noticed a whining noise coming from Project Cappuccino while sitting at stop lights. The moment we put the clutch in to grab a gear, that noise went…
Having an incorrect radiator cap on a Subaru is a critical mistake that even seasoned Subaru builders, including us have made. In fact, one of our sharp-eyed readers brought this…
We recently had a Tesla P100D in the MotoIQ garage that needed to be lowered. The owner of the car also wanted to improve tire wear which is horrendous with…
Garrett Advancing Motion has just released their new line of external wastegates for controlling turbo boost! The wastegates are available in three sizes, the GVW40 with a 40mm valve, the…
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…
Today Mike looks at turbocharger wastegates and how they are used in a turbocharged vehicle application to control boost pressure. We talk about the differences between internal and external wastegates,…
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…
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…
Ed note- If you have missed her last two articles, Emma is a Human-Centered Designer for NASA, working at JPL making space stuff more useable. She has started doing usability…
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…
Today we’ll show you how to properly build your Honda K-series short block. We’ll go over how to choose pistons for your specific application, block limits, processes available and…
I have been driving the car around with the turbo installed to help troubleshoot all the small issues. That, and I just like driving the car because of all the…
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…
Today Mike debunks the old fart claim that "you need a little back pressure" in your exhaust or you're not gonna make any torque, power, etc! If you liked…
For Project Restomod RX-7 we are taking a somewhat different approach to modding a car. We are striving to refine and elevate the FD RX-7 in every way to better…
Just for fun, we went to Irwindale Speedway's "Night Of Destruction" This is a really cool event where you can see super cheap Mini Stock racing, Skid Racing, Figure 8,…
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…
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…
Our project R33 GTR is making good power, but it recently started to smoke. We tore it down and found detonation damage, so it's time to rebuild the engine!…
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,…
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,…
We have always really liked the content that the guys from HP Academy create. They share the same passion for technical excellence as we do and we were recently honored…
Hopefully, you read my article two weeks ago on reviewing cars from a UX or user experience perspective. If you haven't I suggest that you give it a read which…
There are many reasons why relocating the battery should be one of the first modifications done to an RX-7. First off, electronics hate heat and there aren’t many engine bays…
Our friend Cheston is an aerospace engineer during the day, but he also designs and sells functional body kits sold through his company Victory Function when he isn't working on…
