Quick Tech: The Ins and Outs of Copper Head Gaskets

Why copper? With the increasing availability of high-performance, multi-layer-steel (MLS) head gaskets, one might question why anyone would want to use something different. While MLS head gaskets might make sense on the majority of high-performance engine builds, copper head gaskets still have a place. Today, many Top Fuel engines and […]

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Quick Tech: Performance Engine Break-In the Right Way

High oil consumption, excessive smoke through the exhaust, high blow-by, lower than expected power output and increased oil contamination are just some of the possible results of an improper engine break-in or run-in. While production engines in new vehicles are already “broken-in” at the factory, any high-performance “built” engine requires […]

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Quick Tech | Bearings: Part 1

Friction is a parasite that consumes energy and craps heat. When you allow friction to go unchecked, it will waste your power, burn your fuel and cook your parts. On the contrary, employing a friction reduction strategy delivers significant benefits. Reducing friction reduces waste and reduces heat. Less waste and […]

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Quick Tech | Automotive Relays

It’s the current that kills you. Currents above 10 milliamps can induce muscle contractions so strong that the victim cannot let go of the wire that’s shocking them. At 20 milliamps, breathing can become labored, while 75 milliamps can cause breathing to cease. At 100 milliamps, ventricular fibrillation of the […]

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Engine Tech | Fuel Flow Bottlenecks

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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Engine Tech | Boxer, Inline, or V?

We all love making power. Most people know a lot about their engines, from its displacement and configuration, to its benefits and shortcomings. However, many don’t look outside of their engine bays to see what other types of configurations are out there. There are various types of engines that convert […]

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Engine Tech | Air Flow Bottlenecks

In the manufacturing of an issue of DSPORT Magazine, the speed and capabilities of the bindery at our printer represents the bottleneck. You can get faster presses to print more pages and forms per hour, and you can get more automation and labor to box and package the final magazines. […]

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WRX VS BRZ FA20 Cylinder Heads: Part 1 Flow Bench

While they may share many similarities, the differences between the cylinder head on the FA20 engine found in the WRX and the BRZ/FR-S/86 are vast. Instead of taking the “let’s keep it simple” approach to making a turbo and non-turbo variant of an engine, Subaru opted to optimize each engine […]

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Quick Tech: Dragy GPS-Based Performance Meter

How fast is your car? If you own a performance vehicle that has or hasn’t been modified, chances are you’ve been asked this question dozens of times. If your car is unmodified maybe you respond with the best times recorded by an automotive magazine for your platform. If your car […]

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