Latest Articles

Tested: Shoei X-Fourteen Helmet

by Khiem Dinh

A buddy of mine had a brand new Shoei X-Fourteen helmet that he was testing out. He wanted to get a second opinion on it so he asked me if I wanted to try it too. As I’m a cheap bastard and it would take hell freezing over for me to spend my own money on this top-of-the-line helmet, I definitely jumped at the opportunity to try it out!


 

Project 350Z - Testing Jim Wolf Technology C2 Camshafts

by Mike Kojima

So far we have tried some easy bolt ons like a manifold spacer, headers, high flow cats and exhaust on our 350Z all with good results.  Naturally at this point it is time to change camshafts to get more bolt on power out of our VQ35DE engine.  One thing that discourages many people from going this route is that changing cams on a VQ engine is quite a big job. Having two banks of cylinders and 4 cams is a lot of the reason.  It's not super hard technically but it requires at least a couple days of wrenching and some care has to be taken to avoid problems.

Time consuming or not, camshafts are the next logical progression in the evolution of Project 350Z so we asked our friends at Jim Wolf Technology or JWT to provide us with some of their excellent C2 cams.  We chose the C2 because they were probably the biggest practical camshafts that would work in the stock bottom end engine. 


 

LRS Formula at Magny-Cours

by Erik Jacobs

In France, track day learning is referred to as “pilotage”. When looking through the various race tracks in the country and seeing which ones had pilotage programs, we happened to find that Magny-Cours was an option. Not only could we drive on one of France’s historic F1 circuits, but we would get to do it in formula cars! Sign us up.


 

The Amazing HKS R35 GT-R

by Mike Kojima Photos by Andrew Perry and Mike Kojima

When Motovicity Distribution announced The HKS Speedring Time Attack at Cal Speedway, the unique draw besides the guaranteed purse for the winners was announcement that HKS would be bringing their Time Attack R35 GT-R to the states, throwing down the gauntlet and offering a $20,000 prize to any team that could beat the car.


 

Extreme Engine Tech: Building a BMW S52 – Part 1: The Short Block

by Nick Betz

There comes a time in a project build when you just have to throw everything out the window and rewrite your storyboard. Over the years we’ve been bolting on parts to Project E36 323is and not seeing the gains we were looking for. Sure it’s been fun but it’s time to make some real power. We had plans for an M50 manifold swap paired with M3 cams, bigger air meter, headers and throttle body but as the old adage goes, there’s no replacement for displacement, so that’s where our journey has taken us.


 

Project E46 M3: Part 13 - Lightweight clutch and flywheel, and more!

by Pablo Mazlumian

Our E46 M3 is really coming along. In the power department, in order to get significant gains we're pretty much at a point where we either need to get into the motor, or go forced induction. However, a clutch and flywheel is one way we can get more out of the already existing power. In the next two parts we install and dyno test a Clutch Masters FX400 clutch and lightweight flywheel, and show you several other products we used to drop more weight for additional overall performance.


 

"My Girlfriend's" Miata: Part 7 - LRB Speed Aero Cooling Panels

by Daniel O'Donnell

An update for My Girlfriend’s Miata Project has us dipping our toes into the world of aerodynamic performance. I feel as this is an often overlooked aspect of street car performance and another area we shall address as we try to improve all aspects of our Miata platform. We’ll hold off on improving downforce/reducing drag for a future article and instead start with improving reliability through better control of the air for the cooling system.


 

Project Viper GTS - Part 9 - Bob's Air Oil Separator

Project VIPER GTS: Part 8 – Bob’s Air-Oil Separator

by Billy Johnson

All cars create blow-by and positive crank case pressure which pumps oil and vapors into the engine’s intake to be burned off for emissions.  This problem is worse on forced induction cars and performance cars driven at the track.  Not only does this oil gunk up the intake tract and valves, it reduces the octane of your fuel which robs power and causes detonation.  We installed a Bob’s Air-Oil Separator to the PCV valve and a catch can for the valve cover vent to see how much oil our Viper’s engine was pumping into the intake after some street and track use.


 

Lessons in Turbo Technology with Garrett - Burst Containment

by Mike Kojima

What is burst containment for a turbocharger and why is it important?  A turbocharger is a system that has a lot of potential to cause a lot of bad stuff to happen to drivers, spectators, and surrounding equipment.  Why might you ask? Well, a typical turbocharger can spin at up to an unfathomable 200,000 rpm for a small frame turbo and a still amazing 90,000 rpm for a large frame turbo!  That is a ton of potentially ass-kicking force. We will show you how much later and it's enough to make you cringe.


 

Nerd's Eye View: Alex Kelsey's MC2 Rally Car

by Khiem Dinh

Rally cars are awesome. They are small, nimble, and pack a lot of horsepower to roast four tires worth of carbon into some smoky state between solid and gas. Most rally cars are built to a pretty common formula for rally cars based on a strict set of rules. There’s also a lot of heritage that goes along with rally racing. But what if you raced where the rules were more open? What would you do?


 

The Life of Opy: The Nissan Juke Multi-Purpose Racer: Part 3

by Khiem Dinh

The last time we saw the Nissan Juke Multi-Purpose Racer Opy, Opy had some fun competing at a hill climb event. However, Opy ran into some over-heating issues and Lars started working on upgrades. It was time to put in more equipment to put some more ‘Racer’ into the Multi-Purpose Racer too.


 

M2K Motorsports' Ford Shelby GT500 Mustang

by Erik Jacobs

There’s an old adage that nothing good comes out of a sequence of events starting with “Hey y’all, watch this!” In the case of Bill and Billy Wagner, what started with a friend’s sideways remark of “Wow, that’s a big motor. How fast will it go?” turned into a world-record setting 232.8 MPH Shelby GT500 Mustang. Maybe that old adage is wrong.


 

Building a NASA NP01 Prototype the Right Way with Stoptech! Part 2

by Mike Kojima

Ever since we laid eyes on the conceptual drawings and parts of the NASA/Elan NP01 at the PRI Show 2 years ago, we have been enamored by it.  Since we have loved the exotic cars in the various Prototype classes throughout history, we saw the NP01 as the affordable Prototype.  The fact that it looks like a contemporary P class car seals the deal!


 

2016 #GRIDLIFE South at Road Atlanta

by Erik Jacobs

#GRIDLIFE is an automotive lifestyle festival that started a few years ago at Gingerman Raceway in Michigan. For 2016, the series made its first long distance trek and came down to the infamous Road Atlanta.


 

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