Tech

 

09

 

technobabble monkeypower

Technobabble - Redefining Monkeypower

by Dave Coleman

 

Automotive terms and definitions have a long history of being stupid and arbitrary, and I have no intention of changing that, but if we’re going to be stupid, let’s at least use monkeys.


 

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08

Project Mitsubishi EVO IX Part 5: More power

Project Mitsubishi EVO IX Part 6: More power

By Mike Kojima

We had to back up a little and relaunch our engine series getting help from our friend Naji Dahi and his company Looney Tuning.  We have known Naji many years from road racing as Naji is an avid racer.  Although Naji races Nissans he has gained a good reputation as a tuner for EVOs and WRX/STIs. 

Read More About Project EVO IX here!


 

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07

AEM Water Injection Monitor Part 2: Catching Our Mistakes and Upgrading Our Water Injection System

AEM Water Injection Monitor Part 2: Catching Our Mistakes and Upgrading Our Water Injection System

By Mike Kojima

Over the past few months in-between other projects we have been tinkering around with AEM’s water methanol injection kit on our in-house Evo IX project car.  You can read about the kit here.   A few weeks ago we installed AEM’s new injection monitoring system which you can read about here.


 

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02

Project Nissan Sentra Spec-V Part 7: Installing a Turbo System

Project Nissan Sentra Spec-V Part 7: Installing a Turbo System

By Mike Kojima

Since the long stroke QR25DE does not like high rpm, we have chosen to limit its maximum revs to 7000 rpm and make power by adding turbo boost.  Jim Wolf Technology designed our turbo system to produce power over the widest possible range of RPM rather than peak power.  The JWT system was also designed for simplicity, lightness and reliability over maximum power.

Follow our project here!


 

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01

No It's Not an STI: GST Motorsports Mighty Subaru Impreza

No It's Not an STI: GST Motorsports Mighty Subaru Impreza

By Mike Kojima

We have always been fans of the GST Motorsports 1996 GC8 Subaru Impreza L.  The car with driver Jeff Westphal is the current reigning Redline Time Attack Super Modified AWD Champion.  The GST car has been around forever and has been in a continuous state of development since 2006.

IN CASE YOU MISSED IT...  Video: GST Motosports Record Breaking Run at Cal Speedway with Data!


 

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31

Wrench tips #23: tube fabrication tips

Wrench Tips # 23: Tube Fabrication Tips

By Mike Kojima

When hanging out at Costa Gialamas' shop, Gialamas Technical Innovations, we picked up on some really good ideas Costa uses when fabricating.  Costa has many years of fabricating experience in both the Motosports and Aerospace worlds.  This is not a story on how to build an exhaust, instead it's about some tricks we have seen Costa use that can help speed your fabrication. Check these few simple tips out!


 

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30

100 MPG Madness: Project Aprilia RS50

100 MPG Madness: Project Aprilia RS50

By Mike Kojima

With the specter of high prices once again looming over our heads, we bring you yet another fuel sipping project; Project Aprilia RS50.  You might wonder what an RS50 is; it is really a very unusual machine.  It is a street legal, two stroke 50cc GP replica bike. 


 

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25

4 Stroke cycle- the power stroke, igntion timing

Suck, Squish, Bang, Blow Part Six:  Ignition Timing Basics

By Mike Kojima

Ignition Timing is expressed as the number of degrees of crankshaft rotation in advance of Top Dead Center or TDC, when the sparkplug is fired.  This kicks off the explosion of air and gasoline that pushes the piston down to drive the crank.  Since even explosions take a few milliseconds to develop, the engine’s ECU usually commands the sparkplug to fire a few degrees of crank rotation before TDC. 

For more engine basics click here!


 

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24

Ask Sarah ITB VS Carbs VS Single Throttle body

Ask Sarah: What's Your Intake?

By Sarah Forst

Hi Sarah, 

I'm debating going carbs or ITB's with EFI.  What is the advantage to using carbs over EFI?  How do ITB's perform over a single TB?

J.T.

Got a difficult tech question? Email Sarah at asksarah@motoiq.com


 

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24

Turbo: Once Round the Block

by Eric Hsu

Two videos after the jump of the development process of the 1986 Cosworth GBA 1.5L V6 engine. The video also covers the development of the ECU and car, but what interested me more was the 4 cylinder Cosworth BD that was built as a tester on the engine dyno and its failure mode. This was before the time of CAD, FEA, CFD, and all that computer mumbo jumbo. 25 years ago it was all about your past experience and empirical testing which is a lot closer to how things are done in most parts of the tuning parts market today.


 

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20

Lexus IS-F K&N Typhoon air intake dyno test

Project Lexus IS-F Part 1:  We Test the K&N Typhoon High Flow Air Intake

By Mike Kojima

When our friends at K&N heard that we had gotten an IS-F, they got excited and insisted that we try out their Typhoon high flow air intake system as they claimed that they had gotten excellent results in their testing.


 

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18

Project Infiniti G35 Sedan: The Poor Man's M3

Project Infiniti G35 Sedan: The Poor Man's M3

By Mike Kojima

Not all of the cars in the MotoIQ stable are cutting edge performance machines.  Sometimes we do have to have cars that are practical.  Our current office car is a 2004 Infiniti G35 Sedan.  The G35 is an excellent car for daily driving, it gets reasonable mileage in the low 20 mpg range and has 4 doors and plenty of inside room for taking the staff to lunch or meetings. The automatic transmission for dealing with bumper to bumper daily commuter traffic makes jumping into the G35 to go somewhere a no hassle proposition.


 

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15

AEM Electronics In-line Fuel Filter

AEM Electronics - Universal High Flow Fuel Filter

MotoIQ Staff Report

AEM Performance Electronics is pleased to introduce its Billet Aluminum Universal High Flow -10 AN Inline Fuel Filter (part #25-201BK).


 

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13

We Test Synapse Engineering's Synchronic Blow Off Valve and DV Diverter Valve

We Test Synapse Engineering's Synchronic Blow Off Valve and DV Diverter Valve

By Mike Kojima

We have been friends with Synapse Engineering's chief engineer Peter Medina for a long time, since before he started the company and even before he had the ideas that launched its product line.  Many years ago Peter came up with an original twist for pneumatic controlled devices, a piston actuated control valve.  Not just any piston actuated control valve either, Peter's valve had an actuator piston with two substrates, basically two individual pistons coaxially divided on one piston head, basically a stepped piston.


 

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11

AEM Water/Methanol Failsafe Device Evaluation

By Mike Kojima

We are very familiar with water and water/methanol injection; many years ago, we were one of the first to tune with modern water injection systems and took advantage of water's ability to inhibit detonation and provide charge cooling in forced induction engines.  With water you can run more timing, more boost, leaner air fuel mixtures, a combination of all three or just use water to gain a measure of safety and to control engine temperatures for track use.


 

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09

 Wrench Tips

factory spliceWrench Tips #22 - Making a Clean Splice

 

by Dave Coleman

Splicing two wires together is the most basic of wiring tasks, and yet most people seem to do a crappy job of it. Those standard insulated butt connectors are crap. They're bulky, offer no strain relief to deal with bending and vibration, and it's hard to tell when they're crimped enough not to fall out. 


 

 

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04

Project CRG Go Kart: From Basket Case to Bitchin

By Mike Kojima

Lately the MotoIQ staff has been Karting a lot to get our speed fix for few bucks.  Running MotoIQ is an expensive endeavor and we have had to mostly give up racing cars for now to keep MotoIQ growing and strong. Looking for cheap used Kart parts on Craigslist one day, we happened upon an ad for what seemed like a lost cause.


 

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27

Turbosmart Comp-Gate40 Wastegate

by Eric Hsu

A trick, tiny, high flowing, new wastegate from Turbosmart Australia. I used a pair on the Sierra Sierra EVO. Good enough for Sierra Sierra, plenty good for you (or those of us with normal cars). The tiny package size means you can fit this wastegate in almost any engine bay.


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23

ask sarah

Ask Sarah: Holiday Stocking Stuffers

Hi Sarah,
 

I saw your EVO project at SEMA 2010 this year- the white car with the KW suspension and carbon Seibon parts. I was just wondering who makes those fenders and also those sideskirts. I would appreciate your help on this as we would like to purchase them for our time attack car in Holland.

Got a difficult tech question? Email Sarah at asksarah@motoiq.com


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22

corner weighting

The Hows and Whys of Battery Relocation

By Mike Kojima

Many suspension experts have touted the value of relocating the cars battery in an effort to improve weight distribution of the chassis.  Many experts claim that battery relocation is the cheapest and most efficient way to make the biggest change in chassis balance.


 

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