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The Porsche Boxster broke from Porsche tradition as the brand’s first production model built around a mid-mounted, water-cooled engine — and its earliest examples carried a cylinder liner flaw serious enough to worry any used buyer. Understanding what Porsche quietly fixed by 2000, and how output climbed across three distinct engine displacements, is useful context even for muscle car fans cross-shopping performance convertibles. Read on for the full mechanical breakdown.
Audi’s R8 was already fast enough to embarrass supercars costing twice as much, which did not stop German tuner MTM from unveiling a 5-liter biturbo version at Geneva in 2011 and then spending two years making it substantially wilder. By 2013 the GT version was making 802 horsepower and running to 223 mph. Read on for what MTM changed, and why the chassis work mattered more than the engine.
Chrysler’s second generation Hemi arrived in 1964 as a race engine barely disguised as a production part, and its nickname came honestly. The 426 stood 10.72 inches at the deck, spread its bores 4.80 inches apart, and needed an engine bay most cars did not have. Roughly 11,000 street versions were ever built. Read on for how NASCAR banned it, why the valvetrain made it so expensive, and what made it the default choice for nitro racing.
Chevrolet used the Geneva Motor Show to reveal a Camaro built specifically with European buyers in mind, pairing SS 1LE track hardware with a transmission choice American shoppers couldn’t even get at the time. The satin green Track Concept combined a 453-horsepower V8, upgraded Brembo brakes, and a lowered Magnetic Ride Suspension into a package aimed squarely at track-day driving. Read on to find out why Chevrolet built something so track-focused exclusively for a market that rarely embraces American muscle.