ZEX

Speed Secrets: Zex Nitrous and Small Block Chevy Engines

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Whether from a turbo, blower, or nitrous, there is a lot to love about power adders. Especially when used in a Small Block designed specifically for them, like the SBC 383 Stroker from Blue Print Engines. It has everything you’d want for power adder applications, Including forged internals, low compression, and aluminum free flowing heads. Making the 383 that much ... Read More »

Speed Secrets: It’s Time to Juice the LS

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Typically, nitrous comes in two different configurations. For EFI applications there is the wet fogger system, where you combine nitrous and fuel in a single fogger nozzle and install it somewhere in the air intake system. Although, if you were looking for nitrous for a carbureted application, a perimeter plate type system would be the way to go. While both ... Read More »

Speed Secrets: Combining a Big Block Chevy with Nitrous Means Big Power

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As far as naturally aspirated power, it’s hard to beat a Stroker Big Block Chevy, especially one with a nice hearty camshaft from Comp Cams. The fun doesn’t have to stop there though. With a little throttle in a bottle, a healthy BBC can get real serious, real fast. To explore just how far a little nitrous can go when ... Read More »

The 1,000-HP Cam: Turbo LS Power

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By Richard Holdener/Photos by Author We will skip right past the notion of whether you really need 1,000 hp, and jump right into how to get 1,000 hp. The reality is that most race cars have trouble putting four-digit power levels to the ground, let alone street cars, but since 1,000 hp seems to be the new 500 hp, let’s ... Read More »

Dynamic Daily: Dr. Jekyll Meets Mr. Hyde

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By Richard Holdener/Photos By Author This is how you make your mild, carbureted 4.8L Dr. Jekyll becomes Mr. Hyde.     When it comes to power plants for an enthusiast vehicle, most guys have one of two distinct types, wild race car or mild daily driver. In truth, many have both, as the cantankerous race-car motor hardly makes for a reliable, ... Read More »

Modern Muscle: Zex-Injected DI L83

Nothing wakes up a new direct-injected, LT-based motor like a little Zex!

 Like anything new, the arrival of the junkyard L83 5.3L at Westech was met with a certain amount of skepticism. Having run endless testing on the previous generation LS engine family with tremendous success, we really didn’t know what to think about the new direct-injected LT motor. The LS was such a huge jump in performance over the previous Gen-2 ... Read More »

The Easy Way Out: Nitrous That 5.0L

The simple solution to more power was to add this Perimeter Plate nitrous system from ZEX. The kit included everything needed to run up to an extra 300-hp to our little 5.0L.

Words and Photos: Richard Holdener  When you go looking to improve the power output of any motor, there are a lot of different performance choices. Some gravitate to increased displacement, as there is no replacement for displacement, especially if you are looking to greatly enhance torque production. Nothing bolsters torque like a stroker kit, but that isn’t the only avenue ... Read More »

Ford 306 ZEX Test

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Words and Photos: Richard Holdener How many times have you been behind the wheel and found yourself wanting just a little more power? Heck, let’s not stop at a little more. How many times have you wanted a LOT more? What if there was a way to have an extra 100 HP at the push of a button? Wouldn’t that ... Read More »

ZEX to the Max

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Words and Photos By: Richard Holdener Generally speaking, when we run nitrous testing, we take a good motor and add 100-150 HP using a plate or single fogger nozzle. Nitrous oxide is an impressive power adder, offering an unmatched combination of power and pricing. Nothing you buy can increases the power output of your motor (any motor) by 100, 150, ... Read More »

Popular Hot Rodding – Righteous Nitrous

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In the October issue Christopher Campbell of Popular Hot Rodding safely makes 735 horsepower from a 6.0L ’03 LS LQ4 from a 2500 series truck. To do so he enlisted the help of Ben Strader at EFI University and Brian Macy at the Horsepower Connection. The project features a FAST™ LSXR™ 102mm Intake Manifold, FAST™ LSXR™ LS1/LS6 Billet Fuel Rail ... Read More »