Building the turbocharged 1971 Oldsmobile Cutlass called the “S71” at the V8 Speed & Resto Shop. This was a great project from the early days of our shop, and it would still hold its own today. The Olds required some rust repair and metalwork, and after paint, we completed the assembly of the S71 Olds and fired up the turbocharged BTR Performance built 422 cubic inch Olds V8 for the first time. The engine is managed by a FAST XFI 2.0, a self-learning advanced electronic fuel injection system which will keep our turbo engine in proper tune at all times. Following the restored interior parts from YearOne, we bolted on a set of Weld Racing S71 (no relation!) wheels and Toyo Proxes 4 Plus tires and we were ready to roll.

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