Tech

 

16

WATCH: Installation and Test Drive of the Pedders eXtreme XA Coilovers for the Chevrolet SS

Coilover installation and test drive. Pedders eXtreme XA Coilovers on a Chevrolet SS. Angel Robles of Pedders Suspension gives us some insight on Pedders and their suspension offerings.


 

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14

Project E39 M5: K&N Filters and HPS Intake Hoses

by Martin Gonzales

In this installment of Project BMW E39 M5 we will test two very easy to install intake upgrades- the high flow K&N drop-in filters and HPS Performance Parts silicone intake hose kit. We will be doing individual dyno tests for each part to see if they can free up the S62's intake tract and yield some measurable power gains. 


 

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08

Project C7 Corvette Stingray Z51: Suspension Upgrades

by Mike Kojima

In previous articles about our Project C7 Corvette, we got into the high tech chassis construction of the C7 that rivals the stuff found in exotic cars for a fraction of the price. We also did our baseline testing of the car at Buttonwillow Raceway to get an initial impression of the car. We were quite impressed with the results. In stock form, the Corvette is one of those cars that is so good from the factory that heavy-handed, poorly conceived aftermarket suspension mods can ruin.


 

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05

Nerd-O-Scope: Honeywell Garrett’s G-Series Turbochargers

by Khiem Dinh

The new Honeywell Garrett G-Series turbo line is the most exciting product launch since the infamous Disco Potato. Everyone knows the GT-Series turbos were getting very long in the tooth. The GTX launch was an upgrade with updated compressor aero and new families of v-band, T3 divided, and v-band divided turbine housings. The GTX Gen2 launch was a further improvement in compressor flow along with new compressor housing castings. But overall, the foundation of the turbos had stayed the same for two decades. Enter the G-Series which is a clean sheet design to address and upgrade every aspect of the GT/GTX series turbos. This is a true motorsports grade turbo for the masses. 


 

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31

An inside look at the Feal 441 Suspension for the B13 Sentra SE-R!

by Mike Kojima

The original B13 Sentra SE-R has always held a dear spot in many of our hearts. Produced from 1991 to 1994, the SE-R combined the lightweight shell of the Sentra coupe with the sparkling performance of the beloved SR20DE engine. For its time, the SE-R offered a great performance bang for the buck, and to this day, it has scores of hardcore devotees who treasure them.


 

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29

TESTED: Ford Mustang GT Power Packs 1-3

by Billy Johnson

Ford Performance offers three different 50-state legal “Power Packs” for the 2015-2017 Mustang GT that increases horsepower without affecting the factory warranty*.  We back-to-back test Power Packs 1, 2, & 3 on a stock Mustang GT to see if Ford’s claim of 13-37hp increases are legitimate.  We then analyze the GT350 intake manifold’s effect on the torque curve to see if it really has less low-RPM torque than stock in favor of high-RPM power.  Finally, we determine which packages would be best for street and track use through in-depth torque and gear ratio analysis.


 

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23

Project MKIV Supra: Part 16 – New Body Parts and Going in for Paint!

by Pablo Mazlumian

The Supra is back to grace the MotoIQ.com pages, this time with some new TwinZ Design body parts from MVP Motorsports, as well the first part of its fresh blue paint job from Lucky Devil Paint Works. We also feature a few of MKC's projects that came trolling into the shop while we were there. Get ready for body parts, paint, tuning, dyno graphs, and videos!


 

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22

Pedders eXtreme XA Coilovers - Chevrolet SS Installation & Test Drive

by Martin Gonzales

We've had good experiences with companies from down under such as Whiteline, Turbosmart and PE Racing so we were anxious to try out the suspension offerings from another Australian company, Pedders. Although the name Pedders is probably new to most of you MotoIQ readers, they have been around for a long time, 67 years, in fact, being founded in 1950. 


 

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19

Wrench Tip: In Defense of Cheap Tools

by Matt Brown

I have a $400 multimeter in my toolbox. I’m not sure why, but at some point in the recent past, I decided I needed to measure voltage with an accuracy of less than one-tenth of one percent and current down to ten microamps. Sitting on top of it, is that red multimeter that Harbor Freight occasionally gives away free with any purchase. Guess which one gets used most often?


 

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16

We Look Inside Fredric Aasbo's Papadakis Racing Toyota Corolla iM Drift Machine

by Mike Kojima

It is really hard to build a competitive car in Formula Drift nowadays. The rules set is mature, and the competition is ruthlessly tough. When even the best teams develop a new platform, it can take a whole season to sort a new chassis out. A radically different chassis can take a couple of seasons for even a top team to get competitive. Not so for Papadakis Racing and their Rockstar Toyota Corolla iM that they built for 2015 Formula Drift Champion, Fredric Aasbo.


 

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05

Tested! Weego's Lunch Box Automotive Power Source

by Mike Kojima

We get all sorts of cool stuff in the mail at MotoIQ's palatial mega-garage. Manufacturers send us stuff in hopes that we will test it and write about it. This means that we have more than our share of miracle lubes and additives, car care products and weird gadgets. Most of these things end up not working, so well so you never read about it here. However, the other day we got a box from a company we had never heard of called Weego.


 

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01

Rebuilding a Nissan R200 Differential to be More Drift Happy with Z1 Motorsports!- Part 2: Tuning the Differential and Installing the Ring and Pinion

by Rathyna Gomer

Where we last left off, we had disassembled, cleaned and inspected all the parts of my differential. Now the fun and important stuff starts- setting up my limited slip differential to work better for the specific demands of drifting. We will also show how to set up a new ring and pinion gear set.


 

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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
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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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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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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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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