Unassuming Porsche 911 Packs a Twin-Turbo LS7

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Written by Ian Wright
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Originally fitted with a first generation LS1, this Chevy-powered Porsche ‘Toy-Jet’ now packs a 1,000 horsepower twin-turbo LS7.Fitting LS engines in the back of Porsches has become quite fashionable lately. However, Clemon Prevost started his project in 1999. There were a lot of neigh-sayers, but in 2000 he made his first LS-powered Porsche quarter-mile run. Since then the car has evolved a nickname, the Toy-Jet, and that nickname became a company.The Toy-Jet was originally a supercharged 6.8L LS1 with a single intercooler making 735hp. To fit everything in the back of a 1980 911, Toy-Jet Conversions claim they were the first to reverse the intake manifold and avoid the need to cut body parts.To get his 427 LS7 to 1,000-hp, Clemon has employed twin-turbos and E85 fuel. Curiously, the twin turbo LS7 weighs 60-lbs less than the original 930 turbo engine. Impressively, the car still runs the original 930 4 speed transaxle to move the power to the wheels.Solving engine swap problems:

Date written: September 20, 2017

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