Cadillac’s biggest engine ever is a tight fit for the old Porsche 911 SC Targa
True automotive classics don’t often get modified in ways that destroy their resale value, making it all the more interesting when someone breaks that unwritten rule. This 1981 Porsche 911 Super Carrera Targa may look almost stock, but try to hold onto something when you pop up the engine bay lid: there’s an 8.2-liter monster underneath.
Michael Dyer Brooks, from California, wanted to see if he could fit Cadillac’s biggest car V8 inside the German sports classic. The project turned out extremely extensive and complicated, necessitating new mounts and subframes, an intercooler, a radiator and camshafts, to say nothing of such subsystems as injection, cooling and lubrication. Many components were custom-fabricated for the project, and a three-speed General Motors A/T was entrusted with sending the momentum to the wheels.
To ensure lasting reliability, the car also received reinforced axles, constant velocity joints and more robust shock absorbers.
As a result, the dyno showed 545 PS (537 hp / 400 kW) at the wheel. The original car only had 204 PS (201 hp / 150 kW), but it also weighed less and had a much quieter cabin – there is simply no good noise proofing to be had with an 8.2-liter engine installed right behind the seats.
The project was completed five years ago. The car proceeded to go on sale multiple times, including earlier this week, but was pulled back from sale before it could meet the reserve.
Editor Andrew Raspopov
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