Tech

 

01

M2K Motorsports 280 mph Ford GT

by Mike Kojima

The Ford GT was in our opinion America's first true exotic supercar. Inspired by Ford's GT40 race cars from the 60's, the Ford GT's performance as a street car easily eclipsed the race cars of yore.  Produced from 2005 to 2006, only 4038 of the cars were ever built making the Ford GT a desirable collectors car that fetches several hundred thousand dollars on the used car market, up from the original asking price of $139,000.


 

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26

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.


 

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25

"My Girlfriend's" Miata: Brake Upgrade with Good-Win-Racing and DBA USA

by Daniel O'Donnell

We’re doing it people. The impossible is becoming possible. We’re taking a car that I don’t own or insure and slowly turning it into a track vehicle that is someone else’s day-to-day responsibility. That being said, in order to keep up this ruse, I can’t screw up its daily manners too much or the girlfriend might catch on to my plan. This was a big concern for me when I was planning one of the most important systems for the track, the brakes!


 

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20

Project Isuzu VehiCross Part 7: Getting Hitched With Curt Manufacturing

by David Zipf

One of the reasons we bought a VehiCross, on top of its coolness, was the ability to tow another car.  See, the VehiCross is not my only car.  I have two others that are both in various states of disrepair and both are in Delaware, where I was born and raised.  Currently, my two real projects are 650 miles from where I make my home in Kentucky and if I ever intend to drive these toys again I will need to get them here and get to wrenching.  Now, we could hire a delivery service to pick up the cars and drag them down here, but that’s a) very expensive, and b) difficult since, while both cars start, they barely run.  So we decided to do the towing ourselves.  First we installed a hitch, then we hooked up a car.


 

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17

Project Evo X GSR: Completing the Suspension with Whiteline

by Mike Kojima

It's been a long time between updates on Project Evo X GSR.  It hasn't been for lack of trying, the car has been through a couple of different owners and it's been hard to catch up with it.  Well we have caught up with it at last and it's time for some long awaited parts to go in.

It's a good thing too, Whiteline has come out with some new parts for the Evo X in the meanwhile.  When the project was more active, the only parts available were swaybars but since then they have come out with a roll center and bump steer correction kit, a kit to reduce front lift and add positive caster, an adjustable camber link and a full bushing set. 


 

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11

Project Viper GTS: Part 6 - Corsa Exhaust and Kooks HFC

Project VIPER GTS: Part 6 - Corsa Performance Exhaust and Kooks Green Cats

by Billy Johnson

After some impressive gains from intake work in Part 4, we now turn our attention to the opposite side of the engine to improve the evacuation of exhaust gasses as well as reduce the cabin temperature of our notoriously hot viper.  For as outlandish and attention grabbing the Viper’s style was, the exhaust note did not have the same head-turning appeal.  To remedy this we reached out to our friends at Corsa Performance for their 3” cat-back exhaust to give our viper a more sporty and refined tone.  To further boost the volume and greatly knock down the calf-burning side sill heat, we installed a pair of compact Kooks Green Cats which are both environmentally and power friendly. 


 

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06

Turbo Tech: Calculating Compressor Flow

by Khiem Dinh

Hopefully you’ve already read our Turbo Tech: Size Matters article which gave a crude cheat sheet for sizing a turbocharger depending on your engine size and intended application. No real engine data is required to get you into the ballpark turbo size you would need. What if we do have some data though? A bit of simple math can let us plot compressor operating points more accurately on a compressor map.


 

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04

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.


 

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28

"My Girlfriend's" Miata: Lotus Elise Seats and Flipside Customs Brackets

by Daniel O'Donnell

Spring in the midwest is a lovely time of year. A pat on the back is earned for making it through winter without committing suicide and this can be a big challenge in an area with snow, yet no mountains to make any use of it. Gray immediately turns to green. As if out of nowhere, all sorts of bugs and birds appear and try to have sex with one another. More importantly, racetracks open up and whatever project you’ve been procrastinating on calls out to be finished up post haste.


 

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14

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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09

Tested: Burns Stainless NHB Porsche 987 Cayman and Boxster Exhaust System

by Mike Kojima

The Porsche 987 Cayman has long been one of our favorite cars.  Built from 2006 to 2012, the 987 features a midship mounted 2.7 liter flat 6 or a 3.4 liter for the S Model.  The Cayman has always offered stellar handling, perhaps it was the best handling car of it's time.

Many Porsche snobs pan the 987 because it's mid engine makes it not a real Porsche in their eyes.  Because of this the 987 can be found for pretty reasonable prices on the used car market. This makes it a great buy in the eyes of the enthusiast who really cares about performance.

With that in mind, our friends at Burns Stainless, purveyors of some of the finest header collectors, high quality bends and fabrication supplies for most of the hardcore race industry, have set out to build what is probably the best performance exhaust on the market for the 987 Cayman. 


 

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07

Project Isuzu VehiCross: Part 6 - Getting Sprung With OME

by David Zipf

One of the biggest complaints about the Isuzu VehiCross, even when new, is its ride.  It is very stiff; much stiffer than your average SUV.  Part of the reason for this is the stiff springs and motorsports derived shocks (Isuzu did run VehiCrosses in the 1998 Dakkar Rally).  While the ride is stiff, the handling is reasonably sprightly for a two ton, body on frame truck.  The other reason for the stiffness is the very long, hard rubber bumpstops that help prevent body roll.  While these work in keeping the trucks upright, the hard rubber makes for a jarring ride over speedbumps, bumps and potholes.  Cutting down the bumpstops is an easy way of improving the ride quality on most Isuzus.  However our VX has a third reason for a crappy ride: those awesome shocks are completely worn out from 170,000 miles of hard use.  So to kill three birds with one stone, we turned to Old Man Emu's 3" lift kit.


 

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06

Project STurdteen:  Building the Competitive Drift Car from a Pile

by Mike Kojima

Rathyna Gomer is MotoIQ's sales manager but in her other life she is a Pro-Am drifter.  We are in the process of rebuilding her 350Z competition car and due to its complexity the process is taking a while.  In order for her to have a ride for the 2016 season, we decided to do some upgrades to her practice car, an S13 with the venerable SR20DET.  For a practice missile car, her S13 is pretty decently built but since it is a missile car, it has seen better days.  The car has been worked over by a conveniently placed practice lot pole and by doing tandem with a random on a drift day.  That and Rathyna's habit of doing body repairs by backing her car into the wall at balcony has left the old S13 in a state of ugly.


 

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28

Project Fiesta ST, Improving the Drivetrain with mountune USA and SPEC Clutch

by Mike Kojima

If you have been following our series in the transformation of our Fiesta ST from a street car to a race car, we have addressed a lot of the basics involved from getting excess weight within the rules out to building a solid cage, fuel system and safety systems. 

In our prior driving of Project Fiesta ST on the track we noted that a lack of limited slip differential was a serious issue.  The car wanted to spin its inside front wheel on corner exit but the electronic nannys, namely traction control, stability control and electronic torque vectoring would kick in.

With the stock power levels and tires, this would not be so bad but with stiffer suspension, much higher cornering speeds and more power, the electronics were overwhelmed and the car would do something like a terminal shuttering understeer, not conducive to fast lap times. 


 

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17

Project Professional Awesome Time Attack Evo: Part 4 - Drivetrain

by Daniel O'Donnell

Today, boys and girls, we’re heading back into the technical side of the Professional Awesome Evo. For your reading and viewing pleasure, we’ll be showing all the secrets in the drivetrain of the fastest Limited Class time attack machine ever to compete at Buttonwillow Raceway.


 

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15

Keeping the BMW E92 M3 Cool With CSF Radiators!

by Mike Kojima

Although the BMW E92 M3 is a fantastic car, one of the best performance sedans made, it does have a few quirks. One of them, like most late model BMW's, is that the car's systems tend to run hot. Running hot on the track is one thing, but when you peruse user forums you find that for some drivers the cars can even run hot during street driving!


 

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07

Demystifying the Camshaft: Part 2 – Terminology

by Jonathan Spiegel

In the first installment of this series, we took a fairly in-depth look at valve events, which, simply put, are the actions that are caused by the camshaft with regards to opening and closing the intake and exhaust valves. Ultimately, these events determine the power characteristics of an engine, because they control the amount of air/fuel mixture that the engine ingests at any given rpm, and they also control the flow of exhaust gases leaving the combustion chamber. Hopefully, Part 1 helped you to understand the processes involved in developing a camshaft design, so at this point we’re going to discuss the terminology that directly describes the physical parameters of the camshaft itself.


 

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01

Squirrel Power: Saving a Suzuki FA50

by David Zipf

You may remember when we were battling the power steering in our Project VehiCross, that the biggest reason we got so hosed (no pun intended) was I had no way of getting myself to the parts store for things like crush washers, coolant, or big buckets.  With only one functioning car, we needed something else to get us around when we were wrenching on our daily driver.  See how we rescued and resurrected a forgotten scooter that hadn't turned a wheel in over a decade.


 

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27

Wrench Tip: Get a Jewelry Cleaner

by David Zipf

Cleaning small parts can be a real hassle.  If you’re rebuilding, say, a carburetor, with lots of little jets, needles, and pins and screws, it can be very easy to break or lose something.  Some parts refuse to come clean, even when scrubbed with strong solvents (brake calipers are a great example of this).  So what’s a car guy to do?


 

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26

Project Pure Performance E46 Time Attack

by Mike Kojima

In the pages of MotoIQ, we have partnered with Pure Performance in Laguna Hills California for many of our BMW projects. Why?  Because Pure Performance, eats sleeps and breaths BMW performance both on the street and through racing with customer cars and their own shop race car.


 

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