Tech

 

01

PWL Nissan Titan High capacity oil pan

Nissan Titan Large Capacity Oil Pan, Cure for Transmission Overheating?

By Annie Sam

Without forcing you to read about our Nissan Titans transmission woes, basically the trucks major problem is that the transmission temperatures get very high when towing going up long steep grades such as the notorious Baker grade and the Grapevine, especially in the summer time.  We have experienced this transmission overheating even though our Titan has the factory tow package which has two oil coolers, one in the radiator and an oil to air unit in the front of the truck.


 

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Posted in: Magazine, Tech, Nissan
26
23

Amsoil Severe gear SAE 250 Super heavy duty racing gear oil

Amsoil Severe Gear SAE 250, Medicine for Weak Transmissions      

MotoIQ Staff Report

Now Redline is going to have some company in the extreme use category as Amsoil has just launched and new severe duty racing gear oil, Amsoil SEVERE GEAR SAE 250.  Like Redline, the Amsoil product has an amazing gear cushioning weight of 250!  The heavy weight SEVERE GEAR SAE 250 resists sling off and forms a shock absorbing cushion between gear parts as well as using an advanced extreme pressure metallic film forming additive package.  SEVERE GEAR SAE 250 is designated for racing use and is so new, you won't find it on Amsoil's web site yet but you can read about it on MotoIQ!


 

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22

Project Honda Ruckus modified high performance big bore racing engine

Project Honda Ruckus Part 7: Building the Engine

By Jeff Naeyaert

In our efforts to build the ultimate Honda GET 50cc engine for our Honda Ruckus, we have learned a few things with our first iteration of our modded engine, lessons to make our second one better we hope.  In our quest to get even more power out of our little Honda we are going to build another engine, this one is going into another Ruckus in our stable. Our goal for engine number 2 is to surpass the 58 mph of our first engine and reach 60 mph with the Honda engine that came with the Ruckus.

To read about our previous engine build click here for part one and here for part two.  To see all of our Honda Ruckus stuff click here.


 

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18

The Progress Group Scion TC coilover suspension kit

Project Scion TC Part 4: Suspension and Brakes

By Mike Kojima

With our cage and safety equipment done on our Scion TC race car, it is time to do stuff to increase performance!  The suspension on a road race car is critical for it to be competitive and we need to so some serious stuff on our car.  Since our Scion TC is being built in its first stage for NASA's PTD class, we have some interesting factors that we have to consider.


 

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17

ACT six puck sprung hub clutch disc

Clutch Technology Part 3, Clutch Disc Construction

By Mike Kojima

Read Part 1 about how the clutch pressure plate works here!

Read Part 2 about clutch disc friction material here!

The clutch disc isn't just a simple round and flat disc that rubs against stuff to help transfer the engines torque to the wheels.  It is actually a very sophisticate component that has many design features to help it do its job.  The clutch disc has a very important set of functions.  It must engage smoothly and predictably to help get a car underway, it should help cushion the drivetrain from excess shock and should have low inertial mass to speed shifting.  Of course like all mechanical things there are many compromises that need to be considered with the design of clutch discs.  To learn more, read on.


 

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Posted in: Magazine, Tech
16
15

Christa Kojima's Top Kart

Christa's first Racer

By Mike Kojima

What does a 9 year old girl want, a pony? An all-you-can-carry gift certificate from Hello Kitty?  No, apparently she likes carbon fiber.  OOOH! Carbon fiber!  My daughter Christa squealed when she saw the Noonan Racing foot box that I got so she could reach the pedals on her Top Kart, racing go kart.


 

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12

MotoIQ's Whiteline Jim

Whiteline Jim is here!

MotoIQ Staff Report

Are you into handling? Are you interested in getting the most grip out of your production based car? Do you want to ask questions to a genuine performance suspension engineer? Do you want to post questions and have interaction with others of similar interest?

Well if this sounds like you, MotoIQ and Whiteline are bringing to you our Suspension 102 discussion group. To join Suspension 102 you must be a registered member of the MotoIQ community.


 

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10

Cusco EVO Twin Disc Clutch

Project EVO VIII part 4, Getting More Trackside Grip, Killing Some Slip

By Mike Kojima

After enjoying driving our much-improved EVO VIII for a few months we were again motivated into another round of mods by the need to fix a necessity, a slipping clutch.  We also wanted to improve our suspension for more aggressive driving.


 

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08

FXMD Acura NSX driven by Billy Johnson

Time Attack Terror: FXMD's Record Setting Acura NSX (Video Inside!)

By Mike Kojima and Billy Johnson

If you follow Time Attack at all you are probably very familiar with FXMD's Acura NSX Unlimited RWD killing machine piloted by our own Fast Lap Editor, Billy Johnson.  In the 2009 Time Attack season the NSX has given the competition the business in every event it has entered for an undefeated 2009 Redline Time Attack season. Lets take a deep technically based look inside the fastest Time Attack machine in North America.


 

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24

MotoIQ Project Honda S2000 S2K

Project S2000 Part One, Wheels and Tires

By Khiem Dinh, photos by Jeff Naeyaert

The Honda S2000 or S2K as it is affectionately known is one of our favorite cars from one of our favorite brands, Honda. Its most endearing feature is its front engine rear drive chassis with a front mid engine configuration giving an ideal 50/50 weight distribution.  Although the S2K has a bad reputation as being a twitchy, hard to handle car, we have found, that with the proper modifications, it is just the opposite, a sweetheart that is easy for a reasonably skilled driver to flat out haul ass in that is nearly impossible to make understeer.


 

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22

RC engineering 1000cc injectors for EVO 4G63

Ask Sarah- How to fix your EVO

By Sarah Forst

First, repeat after me- you can’t go reliably fast if your wallet is on a diet!  Although you haven’t given me enough information to properly answer your question as I don't know what other parts are on your car, I will give it a guess assuming you are not spending much money on your 4G63 to begin with. Your current setup includes too small a turbo and probably too undersized a fuel system for those boost levels.  Let’s start with the stock turbo on the Evo VII.

Got a Tech Question?  Email Sarah at asksarah@motoiq.com


 

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18

Nissan QR25DE Engine Turbo by Jim Wolf Technology

Jim Wolf Technology's Turbo Nissan QR25DE Powerhouse - Part 1

By Mike Kojima

Compared to the late great SR engine family, the early Nissan QR25DE has a spotted history as a performance engine.  In the performance world it has earned a reputation for being fragile and the many recalls that Nissan has had for serious problems from blowing head gaskets to blowing rods out the side of the block has furthered this reputation.  The engine's redeeming features are a cylinder head that flows extremely well, a light overall weight and a strongly supported crank and lower end. A fragile engine is not going to work for our time attack Spec-V so we are going to address the engine’s weak points and see if we can turn the QR into a solid performer capable of racing levels of performance and reliability.


 

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18
13

Suck Squish Bang Blow

Suck, Squish, Bang, Blow - Part 1: Everything You Ever Wanted To Know About Engines (But Were Afraid To Ask)

By Mike Kojima

In the coming months we will explain all of the basics of how to extract more power from that noisy chunk of metal connected to the wheels.  Your new knowledge can be put to good use when selecting hop up parts for your ride, helping you make good solid choices of where best to spend your hard earned money. With knowledge you will be able to make informed choices when buying parts and will be less likely to get punked by unscrupulous mechanics. In this series we will explain how all the popular hop up parts work, how to understand there specifications and how to pick the right parts to best fit your needs.


 

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12

MotoIQ Project Toyota Tundra

Project Toyota Tundra Part One, TRD Suspension and Brakes

By Mike Kojima

Since we are all about worry free towing, we decided to look into getting a new full size truck.  Over the years we have used about every truck on the market including the Dodge Ram and Ford F250 SD (which was our current favorite truck).  Dan Gardner, owner of our Project Scion racecar was awfully impressed with the Tundra he received on long-term loan from Toyota and recommended we give one a try.


 

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11

Mazdaspeed3 SEMA

Wrench tips colored electrical tapeWrench Tips #9: Wrench in Color

by Dave Coleman

Harbor Freight Tools, purveyor of cheap knockoff tools made with underaged cripple slave labor, has finally produced something unique, original and of real value to the world.

 


 

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08

Cosworth Big Bore Head Gaskets for Sleeved Blocks

by Eric Hsu

Did you know Cosworth offers big bore gaskets for sleeved blocks? Look inside for pressure clamping load test results and imprints for Cosworth vs. other head brand head gaskets.


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07

twin disc carbon carbon clutch

Clutch Technology Part Two, The Clutch Disc Friction Material

By Mike Kojima

In our first segment on clutch technology we discussed the pressure plate and how it works.  However the pressure plate is only half of the equation when it comes to clutches and how they work.  We cannot ignore the all important disc. The clutch disc is such a simple device, yet it has a significant responsibility, the responsibly of transferring the engine’s torque to the ground. It also controls most of the clutch’s driveability characteristics. A disc can be the difference between a clutch that is grabby, chattery and nearly impossible to drive on the street to one that is butter smooth. The disc can also make all the difference between a clutch that slips and burns up when the boost is turned up or the nitrous hit, to one that grabs and holds the power.

Read Part One about how the clutch pressure plate works Here!


 

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Posted in: Magazine, Tech
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