In the previous issue of DSPORT, we addressed all of the possible air flow restrictions that could be serving as bottlenecks. However, simply eliminating all of the airflow bottlenecks only completes half the job. For peak performance and reliability, fuel flow needs to be optimized as well. Too much air […]
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Stopping Fuel Starvation With Holley HydraMat
We’ve all seen videos of race leaders stumbling over the last drops of fuel in their tanks, their engines sputtering and misfiring as fuel flow sporadically cuts out. Sometimes they are lucky enough to coast past the checkered flag in first place, other times the competition catches up and blows […]
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D’GARAGE Honda CR-X B17A | Passing the BAR, Broken Parts, Building Up Power
A lot has changed. We have two presidential candidates on deck that seem no better than each other and even Britain is following in our footsteps to secede from the motherland. While we haven’t done the best job keeping our readers updated on D’GARAGE Project CR-X,rest assured that the project […]
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Aeromotive Fuel Systems 2017 Catalog
Aeromotive Inc. is a true high performance manufacturer specializing in fuel delivery and fuel delivery components. Combining three generations of racing experience with ground-breaking innovation and aerospace manufacturing standards. Aeromotive delivers performance and quality that is second to none. [pdf-embedder url=”https://dsportmag.com/wp-content/uploads/2016/12/Aeromotive_2016_DigitalCatalog.pdf”]
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Bolt-On Basics | Performance Tuning 101
The Fundamentals of Automotive Performance Whether you’re just starting out or you’ve already modified your car, understanding the fundamentals of bolt-on performance is the first step to making power, increasing performance and getting the most from your setup. In this issue, we’ll cover everything from air intake systems to full-fledged […]
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Fuel Systems – Quench Your Engine’s Thirst | Bolt-On Basics
Your average internal combustion engine may sound smooth and composed from the outside, yet the internals work constantly to generate a series of explosions that set metal components into motion at a high rate of speed. Sure, an engine must be tough in order to produce hundreds or even thousands […]
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Test & Tune Part 3: Nissan Silvia S15 | Camshafts, Manifold, and 100 Octane Fuel
In the first two Test & Tune segments, our 2001 Nissan Silvia S15 gained a total of 68.9 horsepower by removing exhaust restrictions, increasing airflow into the compressor, reducing intake air temperature and fine tuning the engine management system. The Tanabe Concept G Blue turbo-back exhaust system, Blitz LM Intercooler, […]
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FUEL SYSTEMS 101: Ensuring Your System is Well-Fed
Your car’s fuel system encompasses the following components; the gas tank (or fuel cell), the fuel pump(s), the fuel rail(s), and the injectors. There are two main types of fuel delivery found in modern engines: the return system and the non-return fuel system. In a return-type system, the fuel not […]
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D’GARAGE Scion FR-S Flex Fuel Tuning
Since its release in 2012, the FR-S/BRZ has received an enormous amount of praise for its excellent chassis, abundance of aftermarket support and entry-level price point. Yet, both the press and enthusiasts unanimously agree that the power output of an unmodified FA20 engine leaves much to be desired. Instead of […]
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Max Effort Stock Turbo R35 GT-R Fuel Comparison
Race fuel is for racing? Of course it is. Anyone who’s heavily involved in motorsports is likely to have a collection of cars and parts along with a supply of five and 55-gallon fuel containers. But, why does racing require race fuel? Does higher quality race fuel make more power? […]
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Getting Tanked: The E85 Files Part 1
Do you believe in miracles? What about a performance fuel that delivers race gas performance at a price below four-dollars per gallon? If you look at performance shops around the country, you’ll find more and more enthusiasts making the shuffle to E85. E85 is a blend of 85-percent ethanol and […]
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2011 Subaru Impreza STI GVB Part 3
In our last STI GVB Test & Tune, we increased the EJ257’s operating efficiency with a bolt-on intake system, a high-flow downpipe, and an exhaust system. These bolt-ons netted a peak horsepower gain of just over 31 horsepower but revealed the limitations of the factory intercooler system as the power […]
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2003 Mitsubishi EVOLUTION VIII 4G63T Part 2
It’s been four issues since we last visited our Project EVO. During this time, the EVO has been involved in one of our most time consuming product evaluations of all time. This evaluation consisted of testing nearly every available exhaust system for the EVO. If you are interested in the […]
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2004 Subaru STi GDB Part 3
For the second month in a row, our STi earned a bye-run in competing against our EVO-VIII. The EVO-VIII has been involved with one of our most-extensive exhaust tests that will appear in our sister publication Tuner Performance Reports (TPR). Text by Michael Ferrara // Photos by Phil Lam DSPORT […]
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