How to Become an Indispensable Clutch Man

By Sam Logan:   It’s no secret that the modern day racing clutch has morphed into a pretty significant piece of engineering. Of course, all that became possible thanks to evolution. In short, constant increases in horsepower, ongoing trends in tire technology, nitrous oxide developments, better superchargers, and that... read more

Power Company I

Kevin Stoa Engine Build part 1 of 3. Text & phots by Sam Logan: By the end of his first year in business Kevin Stoa had built 80 race engines. A twice Super Nationals winner in IMCA Modified, Stoa formed his company in January 2009, on his fortieth birthday,... read more

Power Company II

Kevin Stoa Engine Build part 2 of 3. Text & photos by Sam Logan:   Probably the biggest fallacy about engine power output is the number that reveals its peak power. But it’s a deceit perpetuated by most of us. We run our finger down the page looking for... read more

Power Company III

Kevin Stoa Engine Build part 3 of 3. Text & photos by Sam Logan: Let’s say your 400cu in race motor operates under water, like a fluid pump, and with every two revolutions of the crankshaft it would ingest and displace 400 cubic inches of water—receiving it through its... read more

Installing a new Street Demon

By Sam Logan. Photos by Moore Good Ink. Download text and hi-res images 1 of 2. Download text and hi-res images 2 of 2. Before the new Street Demons were first released to the public on Friday, May 25, 2012, the carburetor company dispatched twenty to thirty pre-production units... read more

Some handy tuning tips for modular carburetors: Part 2

  Part 2 of 2: By Sam Logan. Download hi-res images and text here. If you ever have the chance to discuss engine tuning troubles with the legendary Jon Kaase, you’ll rejoice in his simple logic. “Most engine troubles,” declares Kaase, “are centered on spark or fuel—if it has... read more

Flywheels: Attributes that are good to know

by Archie Bosman:   Most high-performance flywheels are created in billet steel or in billet aluminum. The advantage of the billet steel over the original cast iron unit is that, though they weigh the same, usually around 32lbs, the billet steel unit is significantly stronger. Crucially, it remains free... read more

Kaase’s Top Five: Jon Kaase talks engines

By Archie Bosman. Photos by Moore Good Ink: Jon Kaase’s standing was propelled to the forefront of his craft by winning the annual Engine Masters Challenge four times: 2003, ’04, ’08, and 09. But his reputation as an innovative engine builder had already been established over previous decades. Starting... read more
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