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The Tuning School's EFI Tuning Class - Knowledge Is Power
Check out The Tuning School's EFI tuning class which teaches you everything there is to know about tuning and HP Tuners software. more
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2008 Saturn Sky Red Line Cat-Back Exhaust System & ECU Upgrade - Mini C
Check out how much horsepower we gain when we upgrade the ECU and the exhaust system on a 2008 Saturn Sky Red Line. more
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2009 Chevy Cobalt SS ECU Tuning - Recession-Proof High Performance
We tweak the ECU on this 2009 Chevy Cobalt SS and get some pretty impressive horsepower gain! more
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Chassis Dyno Session - The Spin Doctor
Have you ever been to a dyno shop to have your vehicle fine tuned? If you have or haven't then check out what to expect for a chassis dyno... more
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2007 Chevy Cobalt SS Turbocharger Kit Install - Transportation Transsformation
Read about this 2007 Chevy Cobalt SS get a Hahn Racecraft Turbo Charger Kit install. more
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LS1, LS6, LS2, LT1 & TPI Bolt On Parts Guide - The Best Budget Bolt-Ons For Under $800
Check out the latest LT1 & LS1-LS6-LS2 and TPI Parts for your performance car. more
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2007 Chevy Cobalt Exhaust Upgrade - Practically Powerful
Check out this 2007 Chevy Cobalt SS get a Performance Cat Back Exhaust and a Performance Air Induction Kit. more
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2001 Chevy Camaro Z28 Dyno Run - 1SC-YA
Check out this 2001 Chevy Camaro Z28 get a dyno run. more
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GM Small Block Engines - 2007 Crate Motor Buyers Guide
Check out this guide for buying a GM Small Block Engine with the 2007 Crate Motor Buyers Guide. more
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EFI Live Programmer - Brainwashed
The General's Gen III engine architecture turns ten years old in 2007. Unlike most 10-year-olds in this industry, the Gen III engine... more
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Aftermarket EFI Systems - Tech - Mr. EFI
Collegiate mechanical engineering curriculum typically requires each student to complete a senior design project. More often than not,... more
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Flash-Based Factory PCMs - Tech - In A Flash
In 1984, while we all marveled at the news of General Motors' stunning new Tuned Port Injection debuting on '85 Vettes, a far more... more
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In a Flash - Moates Roadrunner LS1 Tuner
The last few years have been seriously rousing for the ever-expanding and continuously evolving Gen III custom tuning market. In the... more
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2006 Cooling System Buyer's Guide - Ice, Ice Baby
With forced induction and big-cube motors, it gets increasingly difficult to keep your late model GM EFI a cool customer. Even with stock... more
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25 Hot EFI Crate Motors
Those of you who read GMHTP religiously know that we've recently published buyers' guides for stroker short-blocks ("Sleeved & Stroked,"... more
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Carputing ECM Editing Software - In A Flash
Flash tuners are all the rage now. After the evaporation of ECM "chips" from the OEs' offerings around 1993, it took a solid 10 years or so... more
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Gen III/Gen IV Cylinder Head Buyers' Guide
In the market for a huge power increase? Then you're probably looking at getting a set of ported aluminum heads on your GM car or truck.... more
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Nitrous Systems - Playing With Fire
While nitrous is one of the oldest and most effective power adders in the world of drag racing, it is still misconceived as a black art.... more
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Nitrous Systems - Knowledge Is Power - Nitrous
Anyone who has done their homework on nitrous knows that when done right, it can be a hell of a good time. The healthy addition of oxygen... more
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GM Stillborn Gen III V-10 - Perfect 10
GM High-Tech Performance tech article on the GM Gen III V10 engine. more
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Stainless Works Headers & Catback Install - Velocity Viagra
While every other commercial on TV advertises drugs that will treat depression, baldness, or that other male problem, none of them can... more
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2004 Chevy Silverado - Silver Autocross
GM High-Tech Performance takes a custom, modified 2004 Chevy Silverado through the Autocross course. more
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1969 Chevy Nova Accel DFI Conversion - 21st Century Digital Toy
Just like anything else in life, it's easy to take EFI for granted when you live with it every day. GMHTP is EFI only--and with my... more
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GM Small Block Build World Products Heads - The Mighty Mouse of Might
Expanding Blue Thunder's performance has been my goal from the beginning of this project and I believe I've accomplished that task, both in... more
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Project Oldsmobile Alero Wheels Springs Nitrous - Project OSV Is A Problem Child
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