Learning Curves | Recognizing a Race-Friendy Dyno Graph

DSPORT Issue #241 By Allan Lockheed Continued from Learning Curves Revisited | Are You Running the Right Curve?   Dyno graphs don’t race. However, dyno charts can provide the roadmap to go faster than the competition. By understanding how peak horsepower, the powerband, area under the horsepower curve and the actual shape […]

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Tech Series | Nitrous Basics and Beyond: Pt. 2

DSPORT Issue #252 Text by Michael Ferrara // Photos by Joe Singleton Feeling a little hot? Under some massive pressure? Chances are that you act differently in hot and high-pressure situations versus cooler, low-pressure circumstances. Like most chemical compounds, nitrous oxide also behaves differently based on the temperature and pressure of […]

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Power Tech | New Engine Oil System Priming

With the original small block Chevy engines, priming the oiling system was an easy affair. A priming tool was sent down the hole where the distributor was normally located and a connection to the oil pump shaft was made. From there, you would fill the engine with oil and then […]

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Engine Tech | Reflash, Piggyback & Stand-Alone ECUs

Twenty-five years ago, “chipping” an OEM ECU for high-performance or racing use left much to be desired. The “piggyback” came to the rescue for some, but others needed to “stand-alone” to unlock the potential of their performance combination. Early stand-alone solutions featured “flying lead” harnesses that required many hours of […]

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Engine Tech | Failure Analysis 101

Henry Ford has been credited with saying, “Failure is simply the opportunity to begin again, this time more intelligently.” While we often see people trying and trying again after multiple failures, it’s the “this time more intelligently” portion of the advice that many disregard. Not taking advantage of all the […]

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Power Tech | ATI’s 4G63 Damper

Broken oil pump gears, sheared flywheel bolts, loosening clutch cover bolts and damaged bearings are just some of the “fun” that’s in store for your engine if you don’t dampen and control the torsional vibrations in your engine’s crankshaft. The severity and frequency of these vibrations are affected by the […]

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Quick Tech | BOOSTane Octane Booster

While Southern California residents enjoy the weather year-round, the search for high-octane fuel is near impossible. The same struggle can be found in numerous other states. Since what you feed your engine determines its ultimate performance, many enthusiasts make the switch to either E85 gasoline-ethanol mixture, or race gas. The […]

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Engine Tech | Part 1: Stroker & Nitrous 4AGE Build

The 1980s were challenging times for performance. OEMs were experimenting with the transition to fuel injection from carburetors, as increased emission regulations resulted in systems that choked off performance in a big way. In fact, the 5.7-liter in the 1984 Corvette only produced 205bhp at the flywheel. With its 3,200-pound […]

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