24

Rebuilding a Nissan R200 Differential to Be More Drift Happy With Z1 Motorsports!- Part 1, Installation

by Rathyna Gomer

Recently, I took my 350Z drift car out to a practice event at Irwindale's Thursday Night Drift. As I was coming out of a turn, I clutch-kicked in third gear, and heard a BOOM, stopping the car right in its tracks. Upon inspection, we discovered that my diff had fallen out of place! The bolt holding my differential to the subframe snapped, causing the diff to fall coming completely out of the car, which then caused my driveshaft to explode at the u-joint. Fun stuff. 

This all ended up being a blessing in disguise because I was in desperate need of rebuilding my diff for competitive purposes. In the 350z platform, the final drive gear ratio is a 3.50 which had been handicapping me significantly during competitions. Sensei Mike Kojima has been monumental in setting up my Z this year and one of the biggest changes was dialing in more grip.


 

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Posted in: Magazine, Tech
21

Cars, Bikes, and Excellent Road Surfaces: Epic Euro Trip- First Leg

by Corbin Goodwin

Seizing a chance to finally experience a grand slog through the fabled old world, I set out to see if there was any merit to the machinery, laws, and landscapes of the greater European continent.


 

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Posted in: Magazine, Features
20

Project C7 Corvette Stingray Z51: Improving Stopping With a Chevy Performance Big Brake Upgrade Kit

by Mike Kojima

When we did our baseline test of Project C7 at Buttonwillow Raceway configuration 13 CW, we were pretty impressed with the stock Z51 Stingray's on-track performance. We felt the chassis was set up pretty well for the wheel and tire configuration that came on the car, and the whole chassis calibration was matched to the amount of tire the stock car had and the power level of the engine. 


 

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18

Project Golf R MKVII: Fluidampr Test

by Isaac Sandoval

The Golf R is back for another round of modifications. Now that we have addressed the suspension and feel the car is handling the way we want it, it is time to move on to the powertrain. We are not entirely sure which direction the powertrain modifications will ultimately go, but the best place to start is by making sure our foundation is solid. In this article, we are going to be installing the Fluidampr crankshaft pulley, as well as doing some baseline Dyno testing on Project Golf R.


 

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17

Project DC2 Integra: Truing up the Suspension with Whiteline

by Mike Kojima

In the last edition of Project DC2, we greatly improved our car's suspension by replacing the ancient, worn out Koni Yellow shocks with some state of the art street KW Suspension Double Adjustable Variant III coil-overs. When paired with a stock front anti-sway bar and the excellent Comptech rear anti-sway bar that came with the car, we had a well-balanced combination that worked pretty well on the track and the street.  

All was good, but we wanted to go through the entire suspension and replace all of the old and well-worn rubber bushings in the car with new, hard polyurethane parts from Whiteline. This would bring our suspension up to snuff with the current best stuff out there.


 

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17

KW DDC Plug&Play Coilovers for BMW M4 and M3 (F82/F80)

Industry Press Release

KW presents the next generation of its adaptive DDC plug&play coilover kits for the BMW M4 coupe (F82) and M3 sedan (F80) with optional adaptive M suspension. The new DDC coilovers have a new DDC valve technology and are compatible with numerous standard suspension controls. The great advantage of the adaptive KW DDC plug&play coilover kit is that it reads the serial sensors and adapts itself to the respective driving situation within one hundredth of a second. In addition, the driver can also switch between the modes "Comfort", "Sport" and "Sport Plus" via the DDC button from the cockpit.


 

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16

AEM Releases Polaris RZR Plug & Play CD-7 Digital Dash Kit

Industry Press Release 

AEM is excited to announce the release of its Polaris RZR Plug & Play Adapter Kit! The kit is comprised of a Plug & Play Adapter Harness (PN 30-2216) for its CD-7 and CD-7L (logging) Digital Dash Displays (PN 30-5500/PN 30-5501 logging) and includes RZR specific screen layouts designed to get you back out riding with virtually no installation or setup time!

This harness provides a true plug & play connection from the CD-7/CD-7L Dash to the Polaris RZR’s factory CAN bus through the diagnostic port and receives all available channels from the factory CAN bus system. With a full-color daylight-readable screen, four main pages, a dedicated alarm page, included templates for quick startup and more, the CD-7 is the perfect solution for RZR owners who want to SEE EVERYTHING in the dunes and on the trail.


 

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14

Wrench Tip: How To Plug A Tire

by David Zipf

Flat tires suck. They're always a hassle and they ALWAYS come at the most inopportune or annoying times. As a former tire changer/ tire repair man, I've seen all sorts of weird stuff in people's tires: nails, screws, screwdrivers, spark plugs, large chunks of metal (I'm not making any of those up either).  In the old days I'd be going to a repair shop to fix my tires, but these days, I just do it myself.


 

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12

Project AP1 S2000: Installing Hasport AP Differential Mounts

by Vincent Soto

Our Project AP1 S2000 is a daily workhorse. It’s almost 17 years old and is coming up on 140,000; the car has been a good reliable daily driver that sees some spirited driving every now and then. 

Recently, we discovered that the differential mounts on Project AP1 S2000 were torn and started to leak. Instead of going back to the OEM liquid filled mounts, we decided to just go with a more solid mount. After driving Project AP2 S2000 and feeling how well the Hasport mounts felt, it was a no brainer to go with them again! 


 

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11

Project GD STI: Making the Front of the Car Stiffer with Ultra Racing

by Mike Kojima

In the last installment of Project STI, we had greatly increased the chassis stiffness with a full complement of Cusco braces. From our EVO project, we had found that on the CT9A chassis, the braces that did the most were the fender braces that add reinforcement from the strong door hinge area to the top of the shock towers. From this experience, we wanted to add similar braces to our STI. 


 

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10

TESTED: Ford Performance Cat-Back Exhaust and GT350 Valence

by Billy Johnson

The Ford Mustang may be the best-selling sports car in the world at the time of this writing, yes you read that right, but it is far from the best sounding sports car in the world. We reached out to Ford Performance for their far more attractive and aggressive M-5200-M8TBV Touring Exhaust System and GT350 lower valence with integrated quad-tips to improve the looks and sound of our S550 Mustang GT.


 

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10

CSF: 2013-2017 Dodge Ram 6.7L Cummins Turbo Diesel High-Performance Intercooler

Industry Press Release

CSF released their new heavy-duty charge-air-cooler for the 2013-2017 Dodge Ram 6.7L Cummins Turbo Diesel (2500/3500 series). The new upgraded intercooler is the perfect modification for those that tow heavy loads to those boost junkies who love rollin' coal! The CSF intercooler will help keep your intake-air temperatures cool which will help increase engine efficiency, leading to an increase in horsepower!


 

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09

Improved Racing - Trap Door Oil Pan Conversion Kit for C5 Corvette

Industry Press Release

Improved Racing has a bolt-on kit that converts the factory C5 Corvette oil pan into a trap door oil pan. The kit is easy to install and requires only the removal of the lower oil pan access panel. There is no need to remove the oil pan for installation.


 

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07

Project Tundra: 5000 Mile Evaluation of Nitto's New Ridge Grappler Tires!

by Mike Kojima

We were very pleased with the Nitto Terra Grappler tires that Project Tundra had been running the last 7 years. We had over 60,000 miles of towing, supercharged burnouts, daily driving and off-roading on them- including a day of driving hard around Willow Springs Raceway. We were very pleased to note that they still had at least 70% of their original tread and still worked quite well!


 

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06

Hondata's Land Speed Record Honda CRX

by Mike Kojima

A lot of armchair racers like to comment on Land Speed Racing saying things like "how hard could it be to go 200 mph at Bonneville, it's a big flat dry lake, all you have to do is floor it" or "I can almost go that fast down the freeway with my Civic with a turbo kit".  Well, all we have to say about that is to go try and find out just how good you are if you think you can.


 

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05

Chris Boersma: Record Breaking, 600 HP Turbo B-Series K-Tuned Civic

by Frank Ewald

Global Time Attack. GridLife. CSCS. East Coast. West Coast. Canada. Winning! New Record!

That is the article, folks, and you can stop reading there if you want as that essentially summarizes what happens when Chris is out racing. Of course, there is much that goes on before, during, and after each of this winning outings. So much so, that even though we just wrote about the Civic shortly after the SuperLap Battle of 2016, it is time for a mid-season update that includes some of the off-season preparations. So do not leave, as I was just joking about that being all there is to read. There is a ton of stuff that Chris has done to the newly sponsored K-Tuned Civic that you will want to know.


 

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04

Project GD STI: Getting Rid of Chassis Flex with Cusco

by Mike Kojima

The GD STI/WRX had what was considered to be a very stiff chassis when it was first released internationally in 2000. The new Impreza platform was built to be much stronger than it predecessor and used much of the experience gleaned in rally competition to build a chassis that was over 100% stiffer than its predecessor. However, that was 17 years ago, and the design that was once the leading edge in unibody chassis integrity is now something that is just average.  


 

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03

Project SR E30: Part 1 - Test Fitting the Engine

by Nikita Rushmanov

So, you built an s13 daily with an SR20 in it. It’s reliable, it’s fast, it makes awesome chu-chu noises, you put 5,000 miles on it, but then you realize that there is one thing this car doesn’t have- 4 doors. That is the exact predicament we were in.


 

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02

Holley - Earl's New Line of Shop Tools & Builder Products

Industry Press Release

Holley/MSD is pleased to announce the release of a comprehensive line of new shop tools and other builder's products from Earl's Performance Plumbing. Included are professional-grade tubing benders; Super Stock hose clamps and pliers; Pro Hose shop tools, hardline tubing, benders, and cutters; and stainless steel hardline tubing and AN adapters.


 

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31

Fabricated Exhaust ... on a Grand Caravan!

by Frank Ewald

The first question you have to be asking is 'Why'? The second is what kind of performance driving is going on here? The third has to be 'Why'! The answer is simply because it is better and actually easier. The answer is also like grandfather like grandson - I have a modified car, so he wants a modified van. I should explain that this is my grandson's van. As he is only two and a half, he certainly is not behind the wheel, but he identifies the vehicles in the driveway as daddy's car, Emmett's van, and in the garage... mommy's lawnmower! So, when Emmett's van started demonstrating excessive noise from the exhaust, we started making plans to make it better. That is what we do at MotoIQ, even if it is a mini-van.


 

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Posted in: Features
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