Entries for 'Mike Kojima'

14

The Fabulous Flog: A Look Inside Dai Yoshihara's Falken Tire Subaru BRZ

by Mike Kojima

What is the Flog?  It is the nickname that the Falken team has given their BRZ drift car.  Driver Dai Yoshihara, commented when he first saw the completed car that it looked like a frog but with his Japanese accent it came out Flog and no one knew what he was talking about.  Dai had to pantomime a sitting frog and say riibit, riibit before anyone could understand that he meant Frog. 

The Falken Tire Subaru BRZ has been featured by a few other media outlets in the recent past but not like this.  Let us take you beyond the pretty pictures for a look inside the car which has been one of the most anticipated builds of a drift car to date.   One of the best looking cars on the Formula Drift circuit, the BRZ was built on a compressed time schedule by SPD Motorsports, the same folks who built Dai's iconic Discount Tire/Falken Nissan S13.


 

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02

The Ultimate Guide to Suspension and Handling Part X: Bump Steer/Toe Steer

by Mike Kojima

It's time to think about suspension.  Some of the most common handling problems that you are the most likely to see on modified street cars and race cars based on production chassis, especially in racing classes that do not allow relocation of suspension pick up points are bump steer and toe steer related handling issues.  Bump and toe steer can have significant negative effects on a car's handling which is manifested by steering pull, twitchiness, instability, steering inaccuracy and unpredictability.  All of these things are scary for drivers to deal with.


 

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20

Project Ford Fiesta ST - Improving the Shifting with mountune

by Mike Kojima

Although the Fiesta ST has fairly decent stock shift feel, which is quite positive for a cable shifter FWD car, we still thought that the longish throws could be shortened for a more performance oriented shift feel.  Traditionally we have never been fans of short shifters that the aftermarket is full off. Your typical short shifter shortens the throws too much destroying shift feel as well as sometimes overstressing syncros, to the point of damaging them.

With this in mind we were somewhat reluctant to install mountune's short shifter developed for the Fiesta ST.  If you haven't heard of the name mountune, it's because in this country tuning of Ford's FWD offerings has not been the popular thing to do.  Not so in Europe where compact Fords have been a mainstay of the enthusiast market for 3 generations.  In Europe the name mountune is closely associated with Ford Performance and with the new Fiesta and Focus ST mountune will become a mainstay for Ford performance in North America. 


 

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18

Project IS-F: Getting New Shoes with Nitto Tires

by Mike Kojima

Project IS-F is a real daily driver, driven every day by a little old Asian lady back and forth to work. On weekends the car also hauls the family along, fast.  The car gets a lot of miles on it and day in and out wear and tear.


 

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17

ARK Design Team America BNR32 GT-R Update

by Mike Kojima

In this week's update for the ARK Design Team America BNR32 Time Attack car, we address air management issues around the front of the car with a unique intercooler arrangement  and some hopefully clever ducting. 


 

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11

 

It's All About the Zinc - High Stress Wear Resistance with Penrite Oil!

by Mike Kojima

We get a lot of oils and lubricants to evaluate at the MotoIQ office and for the most part we have had good results with the latest high quality synthetic motorsports oils that come across our desks and into the crankcases of our various race and project cars.  When it comes to quality oils we get pretty uniform results, clean burning, low deposits and good wear of the engine's internal components.


 

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05

ARK Team America BNR32 GT-R Update Teaser

by Mike Kojima

An update has been a long time in coming but it is true, the ARK Team America BNR32 has not gone away or died, it's just that all of the principals have been busy with our other motorsports and industry jobs ranging from ALMS to Formula D.  With all of us so busy working the car kept getting pushed off but lately Eric Hsu has been rallying the troops and work has been progressing on the car all summer.


 

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28

Project Ford Fiesta ST - Improving the Handling With ST Suspension

by Mike Kojima

If you love performance compact cars, then you should really be paying close attention and focusing your next purchase intent on The Ford Fiesta ST.  The Fiesta ST is basically the same joint Ford, Mazda 2 platform that we loved so much as a B Spec racer.  We felt the chassis handled well but was lacking power in gobs.  Well Ford fixed the problem in a big way with the Fiesta ST by dropping in a turbocharged direct injection Ecoboost 1.6 liter engine with a six speed manual transaxle that delivers 197 hp and  good mileage together in a package that leaves you grinning from ear to ear.


 

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20

Installing and Tuning the AEM Infinity EMS - Honda S2000

by Mike Kojima

You might have read our previous articles on how easy it is to set up the AEM Infinity EMS on the BMW M3 with great results in the heat of competition.  Well the AEM Infinity is not just for BMW's, it works great on just about anything and we would now like to show you just how easy it is to set up on a Honda S2000.


 

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08

Revenge of the Nerd - Power Wars

By Mike Kojima

It's been quite a while since I had the time to write my supposedly "monthly" column. Since we started MotoIQ In 2010 it's been a wild ride which has taken us around the world and on all sorts of adventures. I have been super busy as well.  My normal day job here at MotoIQ is a pretty full time gig but I also do engineering consulting for several key OEM and aftermarket clients as well as several private motorsports ventures.  Perhaps my biggest outside of MotoIQ job is doing chassis engineering for Falken Motorsports' Formula D team.


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03

Happy 4th of July Weekend!  From the Staff of MotoIQ

Even if we are out of the country in Peru presently visiting Machu Picchu, we are still showing our support for the greatest fucking country in the universe.  Instead of being "Ugly Americans" we thought we would pretty up this historical site a little... 

Happy 4th of July!


 

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Posted in: Magazine
29

Building the Ultimate Turbo Small Block Chevy Part 2, The Making of 1100 Hp!

by Mike Kojima

When deciding the best way to power Daren McNamara's Formula D S14, Team Falken decided to plow into new territory with not just a turbo, but a turbo V8.  Not your typical Chevy LS V8 either, but a blast from the past old school Small Block Chevy.  In our last edition of building the ultimate Small Bock Chevy, we looked into the developments that had been made to the venerable 60 year old design to update it to modern standards, particularly the bottom end. In short, the improvements were mostly moving the cam upward to allow for more stroke and to shorten the pushrods for less flex, and a general beefing up of the lower end architecture to support today's power levels.


 

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15

Building the Ultimate Turbo Small Block Chevy-Part 1

by Mike Kojima

The Small Block Chevy is a dead outdated hunk of iron that is best left to old guys puttering around restoring muscle cars in their garages, or is it?

The venerable Small Block Chevy was first introduced to the motoring public in 1954 and was installed on the assembly line until 2003 and is still in production as a replacement motor.  This means that the good old small block has been around for 60 years, making it one of the longest lived and most produced engines of all time with over 100,000,000 being built to date.


 

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04

Testing the Nameless Performance Second Generation Header

by Mike Kojima

Until now our FR-S had been running on Nameless Performance's very first prototype header, in fact, this was the very first attempt at a header that they had made. This header worked pretty decently and we have been rocking it for the last 10000 or so miles.  However, since that time Nameless has been busy at work continually testing and improving their header design and recently released their final production version.  The new header is radically different than the prototype we had been running and best of all it is now available for sale.


 

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01

Project 350Z - ECU Tuning With Church Automotive and UpRev

by Mike Kojima

If you have been following the progress of Project 350Z as of late we have been testing and running the gamut of  your typical bolt on performance parts to see what kind of gains could be expected for a well tuned but lightly modded VQ35DE.  With an intake, exhaust, headers, intake manifold, cams and valve springs in place, it was time to get into the ECU and tune for our specific combination of parts.

To perform the final touches on Project 350Z we headed to Church Automotive Testing, a licensed UpRev Tuner to have our car dialed in.


 

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11

Project FR-S- Ultimatizing Our Suspension With KW 3-Way Adjustable Clubsport Coilovers

by Mike Kojima

If you have been following the build of Project FR-S till now, you have probably noted that we have spent a lot of time working on our suspension and brake systems, laying down the foundation for a really good track car.

If you read our last segment about how our car performed in a track evaluation against both a stock and another well built tuner car you can see just how well our car really does work.  Our car's big advantages were in the braking and handling departments with both of our resident pro drivers, Tyler McQuarrie and Dai Yoshihara, raving about how well our car works.

Could we make our superbly handling car even better?  We are sure going to try and with some new developments from KW Suspension we think we can definitely make our car even better, especially as we start to upgrade our car with more and more power. Since we last wrote about coilovers on our car, KW Suspension has since come out with some 3-way adjustable Clubsport coilover.  Are these the ultimate street capable shocks?  Read on.


 

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08

Project FR-S: Interim Progress Report

by Mike Kojima

If you have been following the build up of our our Project FR-S and the Ticket to Ride FR-S you might have noticed that Project FR-S was lurking in the background in some of the photos of our Ticket to Ride Showdown story.  We got a lot of letters asking about this and a lot of people were curious if we tested Project FR-S at this event.  Well the answer is yes, we did put our car through its paces but perhaps not as carefully as we did the other cars in the shootout.


 

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04

The Great ARK Design FR-S / BRZ Super Exhaust Shootout, Part 1

by Mike Kojima

ARK Design makes 3 high quality exhausts for the FR-S/BRZ twins.  The three exhausts are tuned to please everyone from the picky daily driver to the hard core street/track guy.  ARK Design makes the Road Spec exhaust for those who want a mellow exhaust that is not too loud and with styling that matches the stock car well.  The Super Flow exhaust is for guys who want the highest flowing exhaust, like people running forced induction, having internally built engines or Nitrous.  Finally, there is the Racing Spec exhaust for those who want light weight, low backpressure and who are not too concerned about noise level.


 

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30

MotoIQ Wrench Tip - How to Gap Piston Rings

by Mike Kojima

Setting the gap on your piston rings is an important step to building an engine that performs at its best.  Getting your piston rings to have the optimal seal is perhaps the most critical aspect of good engine building.  Of course you want to spend time assuring that your machine work and cylinder wall finish is correct for the type of rings used but a lot of people neglect blueprinting the ring gap.


 

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22

Project 350z: Testing the MotorDyne Engineering MREV 2 Intake Manifold

by Mike Kojima

We are reaching the limit of easy bolt on performance gains with Project 350Z.  In looking over the offerings from MotorDyne Engineering, the folks that bought us the intake manifold spacer which made such an awesome difference. we noticed that they had a lower intake manifold plenum available for the VQ35DE that would work for both the Rev-Up and original intake cam only variable cam timing engines.


 

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