There are numerous small parts on your engine that are always overlooked, and O-rings are definitely on that list. “What can go wrong” is usually the mindset when choosing a small rubber seal; however, choosing the right O-ring for the task is critical. The wrong O-ring could be the cause […]
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Performance Tech | Drag Racing 102
So you finally made it to your first drag strip. You launch your car, get to the finish line safely, and on your way back, the track employee gives you a receipt. Your friend tells you that it’s your time slip, so you take a photo of it pointing at […]
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Performance Tech | Drag Racing 101
Drag racing is one of the truest forms of racing. After all, there are no points for style and you certainly don’t have to go around a circuit for hours before you’re announced a winner. Instead, a quarter-mile is all it takes and the rush is real. Not too long […]
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Engine Tech | Supertech’s S54 Cylinder Head Spit Shim Solution
Of all the common engine configurations, the inline-six-cylinder design outshines all others in terms of strength and reliability. The reasons are simple. Each and every connecting rod has its dedicated rod journal (no sharing like V6 and V8s), and a total of seven main caps hold the crankshaft in place […]
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Quick Tech | Cooling System Pressure Check
During the chase for more horsepower, we often neglect the rest of our systems. While our engines could provide us with plenty of power to put smiles on our faces, failing to address other systems that keep our engines running reliably could quickly eliminate these smiles. Since heat is the […]
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Test & Tune: 2018 Honda Civic Type R | Hondata Fuel System Upgrade
Some 4,000-miles East of the United States, Honda engineers from the Swindon U.K. factory were tasked with the design of the Honda Civic Type R (FK8) fuel system. The engineers equipped the vehicle with an efficient fuel system with very little headroom, allowing for only a 10-percent increase in fuel […]
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2019 Honda Civic Si Sedan Exhaust Showcase
Considered to be one of the first go-to upgrades, choosing the right aftermarket catback exhaust system is an important step in every car enthusiast’s upgrade path. Each exhaust system on the market offers a unique sound character, hardware, looks, and affects the car’s performance differently. You simply can’t choose one […]
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Engine Tech | G54B Head Development
Simple answers deliver convenience over accuracy. The simple answer to why Mitsubishi’s 4G54B engine struggled to deliver serious performance while its 4G63 engine shined is usually attributed to the number of valves per cylinder. While this answer is convenient, it’s far from accurate. The number of valves per cylinder is […]
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Engine Tech | Fuel Octane in Relation to Engine Knock and How to Avoid it
What you feed your engine determines its ultimate performance. The nutritional performance needs of an engine are influenced by a number of factors. Some of these most important factors include an engine’s compression ratio, rpm potential and the boost pressure of the forced-induction system. Engines that run higher compression ratios […]
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Test & Tune: 2019 Honda Civic Si | Intake, Flashpro, Type R Clutch & E85
Honda fans have been raving about the Civic Type R for the past few years. After all, Americans have been craving a Type R of their own for decades. With this platform stealing all of the attention, the Civic Si has been lurking in the dark with more than promising […]
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DTE Systems | 2020 Toyota Supra
It has been four months since the Supra A90 went on sale. We’re already seeing tuners modifying the Supra to run nines and tens in the quarter-mile. The Supra is not a car that you leave stock. While some enthusiasts criticize the collaboration with BMW for the 2020 Supra, the […]
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Engine Tech | Material Hardness Testing
It’s a little-known fact that the “end bug” at the end of every story ever written in DSPORT is the tip of a hardness tester. Specifically, the shape follows the indenter used for Rockwell C testing. We came up with the name Hard Media to describe the audience and goal […]
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27Won Exhaust | 2019 Civic Si Exhaust Showcase
27WON Performance 2017+ CIVIC SI Sedan Front-Pipe Back Exhaust P/N – FC1-6-101-10 The 27Won performance catback exhaust for the 2017+ Honda Civic Si features a unique, unorthodox design. The dual asymmetrical tips fill the space of the factory exhaust, with a unique design, a clean, high-gloss finish, and a water […]
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HKS Exhaust | 2019 Civic Si Exhaust Showcase
HKS Hi-power Muffler for HONDA Civic Si SEDAN P/N – 31006-BH002 The HKS hi-power exhaust system features a large 65mm diameter pipe that should reduce exhaust pressure significantly. The system weighs just 30.2-pounds, making it approximately 13-pounds lighter than the factory system. It features a single resonator and a single […]
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GReddy Exhaust | 2019 Civic Si Exhaust Showcase
GReddy Performance Products Supreme SP Exhaust P/N – 10158217 The GReddy performance products’ supreme sp exhaust system comes equipped with two mufflers and a refined exhaust note. The system comes to life under aggressive, full-throttle driving, while staying tame during normal driving. Constructed from 304 stainless steel material, the system […]
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