FOUR CYLINDERS, IRON BLOCK AND READY TO ROCK. NISSAN’S KA24DE engine sports a 2.4-liter displacement, dual overhead camshafts, four valves per cylinder and a compression ratio of 9.5:1. In many ways, the design of the KA24DE makes it the perfect candidate for a high-horsepower, turbocharged setup. For that very reason, […]
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SR20 Steps Forward, KA24 Gets Knocked Back | KA vs SR Update
In the ongoing saga of KA vs SR, there has been both progress and setbacks as Jeren and Richard continue their builds. Here is the latest news from both camps as they move closer to the final competition. Text and Photos by Arnold Eugenio and Richard Fong Project SR20 Update […]
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KA24DE vs SR20DET Act IV | Port Flow Design Readies our KA24DE Head
The design of the cylinder head (intake & exhaust port size length and shape; valve angle, valve size, number of valves per cylinder) plays an important role. The design determines the velocity and volume (CFM) of air-and-fuel entering and exhaust gasses exiting the combustion chamber. While the proper selection of […]
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KA24DE vs SR20DET Act II | Preparing the KA for Boost
Ugly! There’s no other word to describe the performance of the KA24DE engine in stock form. Nissan tunes the KA24’s 2.4-liters of displacement to deliver just 155 horsepower at 5,600 RPM. Take the KA24DE under the knife and add a turbocharger system and you’ll see the “ugly” transforms into a […]
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D’Garage Silvia | Preparing For the KA vs SR Battle
Is factory turbocharged performance superior? Can an aluminum block deliver the goods? Making the most of the SR20DET engine has been the focus of the D’Garage Silvia S15 project car from day one. With the introduction of our KA vs. SR Challenge, taking the head start that the SR20-powered S15 […]
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SR20DET vs KA24DE | Which is Nissan’s Best Four Cylinder?
Since 1991, the great debate among Nissan’s S-chassis fanatics has been between the SR20DET and the KA24DE. On the one hand, the JDM chassis’s were equipped with the turbocharged SR engines, offering out-of-the-box forced-induction power from the factory. On the other, the USDM variant received the torquey-yet uninspiring KA24DE engine. […]
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Six-Speed VQ Trans Swap for KA-powered Nissan S14
Putting together a performance parts combination to produce more power than you ever expected feels like finding a wad of cash in a jacket you haven’t worn in six months. There’s a sense of surprise, happiness and the inevitable daydreaming of how you are going to use this horsepower or […]
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Five Worst Engines | Overhyped and Underengineered
See our Top Ten Engines List 1) Mitsubishi 4G54B It Sounded Good On Paper, But Failed To Deliver The Mitsubishi 4G54B ranks as the number one worst engine to tune. Although it was the first Japanese production car engine with computer-controlled fuel injection and turbocharging, it left much to be […]
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D’Garage Nissan S14 Runs 10’s
In his first return to the drag racing action since his Honda Civic days, Jeren piloted his Nissan S14 to an E.T of 10.6. With the 700 hp S14’s maiden voyage now accomplished, Jeren has turned his attention into making this a 9 second street machine. Stay tuned for future […]
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AEM Infinity E85 Tune on the DSPORT KA Powered Nissan S14
After making the necessary upgrades to the turbo system, electronics and fuel delivery, our good friend Beau Brown from AEM Electronics came down to help us get the car fired up. In just a half hour, he set up the AEM Infinity and the KA24 rumbled back to life. Once […]
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