MotoIQ Tech

Product Development Testing with KW Suspension

by Mike Kojima

If you are interested in the way a suspension company does R&D, take a look at how a typical test session for KW Suspension goes.  We tagged along on the final calibration confirmation of KW's latest 3-Way adjustable Club Sport suspension for the BMW M2.


 

Building the Subaru VA WRX clutch and Flywheel with ACT!

by Mike Kojima

All wheel drive cars are traditionally hard on clutches. With tons of traction, launches involve a lot of clutch slippage. Fast shifting and even downshifting are all harder on the clutch due to the increased traction of 4 wheels.  With this in mind building a daily driver heavy duty clutch for a street car is always a challenge. 

It just so happened that our friends at ACT were wrapping up development of a clutch and flywheel combination for the late model VA WRX when we were at their office and we thought it might be a good opportunity to show what is deep inside ACT's WRX clutch which shares many design features with all ACT clutches. 


 

Building a NASA NP01 Prototype the Right Way with StopTech!  Part 1

by Mike Kojima

Last November we had the chance to drive and evaluate NASA's NP01 Prototype built by Elan. We loved the car and eagerly awaited its availability. Fast forward a few months and our friends at StopTech were able to get one of the first NP01 kits.  Since StopTech's facility was undergoing expansion it was agreed that the car would get built at the palatial MotoIQ mega shop and that we could do a series of articles on what it takes to build a winning NP01.


Improving Towing Capability with Hellwig and Bilstein Part Two

by Mike Kojima

In part one, we had installed Hellwig air springs, rear anti sway bar and Bilstein 5100 series shocks on our workhorse 2014 Chevy Silverado truck.  We were super impressed with what the rear suspension did to make our towing experience more pleasant and much safer. However, due to time constraints we did not have time to do the front suspension.


 

Mucking Off with Muck Daddy, Green Style

by Mike Kojima

There is always plenty going on at the palatial MotoIQ HQ.  A lot of that involves race cars and high mileage street cars.  This means that we're constantly dealing with dirty and grimy hands of the worst order.


 

Project S2000: Part 24 - Bridgestone Potenza RE-71Rs and DIY Brake Ducts

by Khiem Dinh

In the last episode, I’d worn down the Nitto NT01 tires into slicks. Then I got a nail in one of the tires too. Obviously, it was time to get some new tires. Many of you have asked about my custom brake ducts which bolt to the front lower control arm. Well, I tried out a cheap DIY version along with finally getting around to making some rear brake ducts.


 

Improving Towing Capability with Hellwig and Bilstein Part One

by Mike Kojima

There has been a war brewing in the past few years, not in the Middle East, but in the half ton truck market. In the past, a half ton truck was just that, a lightweight truck, one up from a mini truck that was capable of towing an open trailer with a little bit of stuff in the bed. A towing capacity of 5000 to 7000 pounds was the norm and old half tons were barely adequate for the upper ranges of that weight limit.


 

Evaluating the ACT Heavy Duty Clutch and XACT Prolite Flywheel for the Honda S2000

by Mike Kojima

Vince, our FNG, drives a Honda S2000 that serves as his daily driver.  The S2K takes him to work and school day in and day out.  However the Honda also serves as a track day vehicle seeing duty at Willow Springs, Buttonwillow and Cal Speedway.  After serving reliably for 80,000 miles the clutch suddenly went out on Vince on his way to work.


 

Fabricating Turbo Headers and Exhaust Systems with Eimer Engineering and Burns Stainless

by Mike Kojima

How do you make a good turbo system even better?  We did it by enlisting the help of Burns Stainless. Our subject car had a turbo LS engine.  Although the car made lots of power, it had issues with lag, a drop in top end power, a ton of weight in the nose that negatively impacted handling and a propensity to burn up everything under the hood.


 

Tested: Nitto's new 555 G2 High Performance Tire!

by Mike Kojima

It seems like only yesterday but it was actually 20 years ago in 1996 that the Nitto 555 was first launched. Aimed at the center of the growing, red hot sport compact market, the 555 was the new kid in town, the performance leader of a new tire company that burst upon the scene right as it exploded into the mainstream. As Nitto's flagship tire, the 555 was a summer ultra high performance or UHP tire that offered excellent all around grip with good wear to boot.


 

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