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Boost Controller: HKS EVC IV Silver Edition
The HKS EVC is the granddaddy of electronic boost controllers. Many still consider the EVC II to be the best boost controller out there... more
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Boost Controller: A'pexi AVC-R
A'pexi suggests having the AVC-R installed at one of its authorized Power Excel Shops. This might be a good idea, as splicing into the... more
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Boost Controller: Blitz SBC i-D
The SBC i-D is composed of three parts; a head unit, control unit and solenoid assembly. The solenoid assembly consists of two solenoids... more
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Boost Controller: GReddy PRofec-A
Fuzzy logic boost controllers have been out for quite a few years. The claim is that they "learn" the response characteristics of your... more
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Boost Controller: GReddy PRofec-B
PRofec stands for Pressure Offensive Controller. What that means we're not really sure, and we don't care. The PRofec-B is really good.... more
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Boost Controller: HKS EVC EZ
The EVC EZ is out there for those who just want a dial in the cabin, and that's all you get. Be forewarned, however; it's a mighty... more
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Project Civic Si Part 2
To improve our Civic's interior, we've installed an Art Morrison bolt-in four-point cage (which the company is quick to point out isn't... more
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Suck, Squish, Bang, Blow: Part 7
Part seven of our continuing story on engine basics concentrates on strengthening the bottom end. Last month, we talked about the... more
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Suck, Squish, Bang, Blow: Part 4
On this installment, we will peek into the inner reaches of modified cylinder heads to find out just what is involved in modifying one.... more
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Suck, Squish, Bang, Blow: Part 5
In our previous installments of this series, we have been talking about many of the basic and not-so-basic stuff that you can do to get... more
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Spec-V Power
The SE-R's QR25DE powerplant is poised to be Nissan's four-cylinder powerhouse for many years to come. The SR20 loyalists, though, have... more
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Comparison: Boost Controllers
One hundred twenty six full throttle dyno pulls. We're pretty sure Jesse Rodriguez of Diamond Star Specialties had no idea what he was... more
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Suck, Squish, Bang, Blow: Part 2
In our last installment of our back to basics series we explained the inner workings of the stroke internal combustion engine, in other... more
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Hybrid How-To: 2002 Civic Si
What and Why When Honda introduced its 200-hp Civic Type-R to the world, it forgot about the United States. Here, the top-shelf Civic is... more
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The Ultimate Honda Engine Swap Guide
Humankind has made a habit of one-upping the creator when it can benefit in some material sense. We figured out early on that playing... more
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Z Thrash
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Tire Pressure Guide
Tire Pressure HintsTire inflation pressure may have gained greater awareness in the public's mind in the last two years, but it has always... more
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Supercharger Overview
Automotive superchargers fall into two categories: positive displacement and centrifugal. Centrifugal superchargers are basically like the... more
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Wheel Tech Guide
Photographers often say that wheels are a car's jewelry. Perhaps more than anything else, they immediately show the tastes and character of... more
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Downforce For The Carpet?
Between our weekly mountain road attack sessions, our daily commutes and the occasional day at the track, our Celica can count exactly one... more
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Eclipse Tech
It may not have the hardcore performance following of the first- and second-generation cars, but the third-generation V6 Eclipse is still... more
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How-To: Quick Shift Your Stick
The Honda Civic and its multitude of variants have become favorites of the import enthusiast community, and for good reason. Close... more
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Hybrid How-To: S13 Nissan Silvia
With this hybrid, we created a lightweight, rear-drive, turbocharged sports car with giant-killing potential for a little more than $3,000.... more
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Tested: AEM Air-Bypass Valve
It doesn't happen often, but it doesn't have to. One heavy rain, one deep puddle, and you can have one serious engine failure. It has been... more
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A Tuner's Guide Inside the QR25DE
At the heart of every great Nissan is a powerful engine. Nissan powerplants are consistently high-quality and brutishly overbuilt, leaving... more
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