Latest Articles

Revenge of the Nerd - Nissan in the sump with diamonds?

By Mike Kojima

When we launched MotoIQ, I wrote another article on this subject but it sorta got buried in our initial rush of article releases and since it never appeared on our front page, it languished with almost no reads deep within our tech section.  I think this subject is too interesting to remain buried so this month I am devoting Nerds to  the subject of Nissan's new oil technology. The new Nissan 370 and the Infiniti G37 with the VQ37VHR engine has been plagued with issues regarding high oil temperatures in severe use since their launch making debate on oil a big topic on internet forums. The conversations on oil temperature issues leads to Nissan's recommendations for Genuine Nissan "ester" based oil and the super expensive oil service.



Nissan Pathfinder

Nissan Pathfinder Part 5, Basic Engine

By Mari Umekubo

To say that our Pathfinder sucked on power was an understatement.  Our Pathfinder could not beat anything in any contest of speed, except for perhaps another SUV.  Joggers and bicyclists gave it trouble.  It guzzled fuel like a turbo car on boost as well turning in a miserable 15 MPG around town and 19 mpg on the highway.   When attempting to tow, entering the freeway was a scary proposition and you had to depend on the mercy of other motorists and you all know that LA drivers basically have no mercy.



A Look Inside Dai Yoshihara’s Team Falken Pro Drift Machine

By Mike Kojima

A comment from one of my road racing friends prompted me to write this article. He said as a snide remark "I heard you are now involved with drifting, too bad those are not real race cars". No amount of arguing could convince him that a typical pro drift car is a sophisticated machine, one several times more massaged and engineered than his own race car.  So lets take a look inside Dai Yoshihara's Lexus IS350 that he drives for Team Falken and Discount Tire on the Formula D Circuit.


Summer Road Trip- Silver State Classic Part 1

By Mike Kojima and Annie Sam

The end of summer usually means two things; one, it’s the end of summer and two, it’s time for a road trip.  The MotoIQ staff usual tries to have a least one epic road trip automotive adventure during the summer months and this year it was a trip to the country’s greatest open road race, the Silver State Classic in Nevada.  The Silver State is a must do for any automotive freak; it’s a 100 mile all out road race across closed highway in Nevada.


Project NSX: Part 2 - Tuning a Limited Slip Differential; Tricks of the Pros

By Mike Kojima and Billy Johnson

By nature a differential wants to send all of the engines power to the wheel with the least amount of traction, the path of least resistance. The side effect of this is unwanted inside wheel-spin out of corners, and even single wheel spin on straight-aways (aka: peg-legging, one-tire-fire, etc…). This greatly affects acceleration since the power is not able to be put to the ground efficiently and is lost through the inside unloaded tire.


Ask Sarah - Brake Mania!

By Sarah Forst

Since I get so many questions about brake issues, I’m dedicating this column to Brake-mania! But first I must address a common forum pet peeve of mine, the "brakes" versus "breaks" issue. The "breaks" are the highs and lows of life; your "brakes" are those things that stop your car! You "break" the "brakes", got it? Good, so now let’s answer these brake questions. Hopefully it’ll keep somebody’s car from becoming acquainted with my rear bumper!  Got a Tech Question?  Email Sarah at


Jim Wolf Technology Releases Nissan VG30DE/DET Mechanical Cam

MotoIQ Staff Report

Jim Wolf Technology has introduced their mechanical cam for the VG30D series NissanV6 twin cam engines. JWT’s mechanical cam is the biggest, most aggressive and the most powerful VG cam on the market. The JWT mechanical cam has the most area under the lift and duration curve for the ultimate in volumetric efficiency. Area under the curve is what makes power and torque and is more meaningful than simple lift and duration numbers.


Billy Johnson Wins Redline Time Attack's Round 7

MotoIQ Staff Report

MotoIQ Fastlap Columnist and regular contributor Billy Johnson has been on a tear lately.  Billy dominated the field and placed first overall in last weekends Redline Time Attack at  Spring Mountain Raceway in Pahrump Nevada piloting his FX Motorsports Development NSX to victory in the Dsport Unlimited RWD class while securing the overall victory as well, unofficially turning the fasted time ever at Pahrump in a production based car.


Japanese Classic Car Show 2009

Intro By Mike Kojima, Story By Antonio Alvendia of  MotorMavens

Once a year the Japanese classic car show is held in Irvine.  The finest classic Japanese cars come out of hiding for display.  Most of these cars date back to the early mid 80's right when I was first learning about performance and modding in my late teens and early 20's.  Because of this, cars from this era have a special place in my heart.

Its also a time when we all went to the street races all over the LA area and had many adventures.  Most of my old street racing friends come to this show and its good to see many familiar faces again.  Even though we are now all old men in our 40's, we still share a love for these machines.  Many of my friends are building the cars of their youth but with the money they earn now, which means pretty crazy stuff.

So I was at the show, but guess what, I forgot my camera.  Thats a good thing because our buddy ace photographer and Japanese classic car connoisseur Antonio Alvendia of MotorMavens was there and he is a lot better photographer than me.  He has better taste as well.  Thanks to Antonio, I was able to relax and enjoy the show without lugging my normal 30 lbs of equipment!


KraftWerks Honda Fit High Boost Supercharger Kit

KraftWerks Announces Honda Fit High-Boost Supercharger Kit

Industry Press Release

If you are a fan of the late model B-Segment cars, you probably feel like us that the Honda Fit is one of the best of the breed.  It certainly has the best handling.  However the cars in this segment are pretty anemic and the amount of truly effective performance parts for these drivelines has been lacking.  Well now things have changed as KraftWerks is pleased to release their new Supercharger kit for the Honda fit.  If you didn't know, KraftWerks is the brain child of supercharger guru and long time veteran master Honda tuner Oscar Jackson.  If you know Oscar like we do, you can be confident that these are complete and well engineered kits.


Congratulations Billy Johnson!

MotoIQ Staff Report

MotoIQ's professor of race craft, Fast Lap Columnist Billy Johnson was victorious last weekend in the Salt Lake City 200 Koni Grand Am Cup race at Miller Motorsports Park.  In an exciting knockdown-drag-out battle with the defending race winner Bill Auberlen, Johnson passed Auberlen  in Turn 1 of Lap 46, the final lap of the two-and-a-half hour race to win by a narrow 1.095 seconds.  This was Johnsons second Grand Sport (GS) victory of 2009 and the first ever for co-driver Jack Roush Jr, son of the legendary Jack Roush Check out the Video here!


MotoIQ’s Project Scion tC Wins NASA PTC National Title!

MotoIQ Staff Report

Photos by

This past Sunday, our own Project Scion tC campaigned by the JD Scion Road Racing team put another mark in the history books, winning a second consecutive national championship in NASA’s Performance Touring series. Perhaps most impressive was the fact that the team started in dead last and managed to climb back through the field and win the race.


The Ultimate EVO Suspension, Project EVO IX Part 3

by Mike Kojima

We have covered typical EVO suspension build ups in the past with our EVO VIII but this time we have decided to try something special. This time we have decided to build the ultimate no holds barred suspension for the EVO CT9A chassis, money not being an object, the only caveat being that it had to remain streetable and not be so stiff that it needed a roll cage to function properly. We are attempting to build the ultimate suspension set up for Time Attack in the Limited or Street Modified Classes.


Project Honda Ruckus Part 2- More Stuff, the Next Stage

By Jeff Naeyaert

In our Last edition of Project Ruckus, we worked mainly on getting the handling and braking of our bike up to a standard of reasonable safety, safe enough to handle the mean streets and venture beyond the safety of suburban neighborhoods and the pits at the track. Our bike is still far from our goal of it being able to handle itself on main streets though. For one it’s pitifully slow being barely able to creep up to 37 mph. At this speed the poor Ruck will get run over on the crowded, fast main streets of the South Bay where our office is located. It is also not as cool looking as we would like. So in this edition of Project Ruckus we are going to spiff up the looks of our ride and start working on the issue of power.


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