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Rally America Round 2 - 100 Acre Wood

by Connor Harrison

The second event in the 2014 Rally America series took place last weekend in the foothills of Missouri’s Ozark Mountains, with stages spread amongst the towns of Salem, Steelville, and Potosi.  The scenic backdrop named after the fabled home of Winnie the Pooh is a favorite for spectators, with drivers enjoying the fast, flowing, and dusty gravel roads.  The weather seems to be dramatically different every year, fortunately last year’s snow and ice wasn’t repeated for this event, although passing heavy rains on Thursday would leave some stages rather slippery throughout the weekend.


Project #YAE92 M3: Part 2 - Why Do We Have All of These Extra Bolts?

by Mike Bonanni, photos by European Auto Source

I know I know, it’s been months since we first introduced you to Yost Autosport’s Project #YAE92 M3 endurance race car build, but we have a good excuse.  Truth be told, the past few months have been slow moving on this project as we entered the R&D phase.  We’re helping a number of companies develop new products for the E9X M3 platform and when you do that, things tend to end up in an engineering black hole.

Project Grey Mustang 5.0: Part 4 - Improving Drivability and Reliability

by Vince Illi

Project Mustang gets a bunch of parts for the next season to improve throttle response, braking, and gauge information!


Wrench Tips #33: Old Tires Suck

by Dave Coleman

If you don't understand this secret code on your sidewall, you'll crash and die until you're dead!


Caffeine and Octane - Atlanta, GA

by Brandon Campbell

Welcome to the Caffeine and Octane show.  This show started a few years ago with just 4 cars and has since grown to an average crowd of ~800 cars.  That is, ~800 cars of every shape, size, demographic, make, model and persuasion.  


Redline Time Attack Round 1

Redline Time Attack Round 1 – Buttonwillow Raceway

by Justin Banner

Buttonwillow Raceway, a track synonymous with Time Attack in North America. With its multiple configurations, it's a favorite among track enthusiasts as well. So, there couldn't be a more fitting place to hold the first round of the Redline Time Attack Series than this legendary track. What records would fall? You'll have to read on to find out!


Project 350Z - Finding More Power with MotorDyne Engineering

by Mike Kojima

In looking for more low hanging horsepower fruit for Project 350Z, we decided to try an intake manifold plenum spacer from MotorDyne Engineering.  The 350Z's VQ35DE engine has a very thin intake manifold plenum that slopes toward the front of the engine to clear the low hood line.  Although this is good for styling, the engine would prefer more plenum volume and the flow to the front most cylinders is somewhat choked off due to the low overhanging plenum wall.


Project E46 M3: Part 7 - Magnaflow vs. Corsa Cat-back Exhaust Systems

by Pablo Mazlumian

We install a Magnaflow system in hopes to quiet the car down a little further, given car's cat-delete setup.  Find out how the test goes--with video included!


Chicago Auto Show 2014

by Mark Zimmerman

The Midwest has had a crushing winter of storms, making it tough to do anything car related unless you have a nice heated shop or love plowing snow. This made the Chicago Auto Show a great car oasis in a fairly dull and snow filled winter. And while I was looking forward to checking out the new model year vehicles and seeing some show cars, I wasn’t prepared for just how much of an event this has become.  I tend to go to a car show every few years, and a bunch of vehicles in a huge convention center has become the norm. What I wasn’t ready for were all the events several of the automotive manufacturers put together to engage the public. So let’s see what caught my eye.

Kooks Custom Headers

Kook’s Custom Headers, Get Kookin’ with Kooks

By Billy Johnson, photos by Brian Humphries

Kook’s Custom Headers might not be a household name in the tuner market, but they pride themselves as the pioneers in the stainless steel header revolution.  Their headers are trusted in some of the most demanding environments in the world, where every last horsepower matters.  Championship-winning NASCAR, NHRA, ADRL, IHRA, NMCA, NMRA, SCCA, and NASA teams go to Kook’s Headers for their decades of experience and their high quality state-of-the-art products.


Nerd’s Eye View: Honda R&D’s Acura ILX Endurance Racers

by Khiem Dinh

“Survive the 25” is the theme for many when racing the 25 Hours of Thunderhill. Team Honda Research West didn’t just survive, they conquered, taking first and fourth places with their pair of Acura ILXs in the E1 class. The class winning #27 car finished eighth overall which is a major achievement considering the serious hardware at the track. Building an endurance racer presents unique challenges which a sprint race car does not have to contend with. Follow along as we see what makes these cars and the THRW team winners.


Project NSX

Project NSX: Part 4 – We track test KW Suspension, Volk Wheels and Nitto Tires in Pursuit of a Track Record

by Billy Johnson

It’s been almost 5 years, but Project NSX is back!  While the turbo motor build has had some setbacks, we continue to move forward with the chassis of the car.  We made it out to Buttonwillow and broke some records with the help of a few new parts including KW Variant-3 Coilovers, Volk CE28 Wheels and Nitto NT05 tires.


Project Toyota Supra MKIV: Part 8 - Fuel and Engine Breather Systems!

by Pablo Mazlumian

With the engine almost fully complete and near-ready for start up, now's not the time to skimp!  Check out our new fuel and engine breather systems, ensuring we get the most out of this 2JZ!


TESTED: Royal Purple Max Boost Octane Booster

by Mike Kojima

To be honest we were not big fans of octane boosters.  In the past, we have not been able to get good quantifiable results with them over the years. Older boosters ate up the fuel system or left weird deposits on the plugs and chamber. Engines that usually need higher octane are generally expensive so we have always just used racing fuel in them,  Pump gas with conservative tuning for street cars and race fuel for race cars.

Meanwhile, Royal Purple had been bugging us about testing some of their new Max Boost octane booster.  They told us that it would give us 3 points in octane for sure and burn clean.  Not being too enthusiastic about octane booster in general we let it sit around for about a month.


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