Posted on 12/09/2025 8:20:29 AM PST by Omnivore-Dan
While less prevalent these days, it’s hard to not appreciate the sound of a high-revving naturally aspirated engine. The team at Boreham Motorworks just pulled the cover off their new 2.1-liter, inline-four cylinder engine. This small-displacement powerplant puts out an impressive 325 horsepower and, as the name suggests, screams all the way to an astonishing 10,000 rpm. It may be small, but innovative engineering is significantly pushing the boundaries for what a street-driven engine can be.
(Excerpt) Read more at enginelabs.com ...
Even for a modern VW 10k sounds unlikely, unless there’s some underlying problem they’re not fixing. They claim (of course) that the chain never needs changing, but something like 100k is more realistic - pretty much the same as the belt (at least on my Audi 2.0 TFSI).
Only doing the belt is quick and cheap, while the chain can be a nightmare when it’s at the rear of the engine bay.
Not exactly modern, the car is now about 10 years old. I think it was a Jetta.
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