1973 Cutlass with a 700 HP LSA

1973 Oldsmobile Cutlass with a LSA V8

After this 1973 Oldsmobile Cutlass received a restoration the owner didn’t enjoy the way it drove. So they took it to Schwartz Performance in Woodstock, Illinois to solve the problem and solve it they did.

1973 Oldsmobile Cutlass with a 6.2 L LSA V8

1973 Oldsmobile Cutlass with a 6.2 L LSA V8

One of the fist things Schwartz Performance did was build a custom chassis which must have been a prototype for their new G-Machine A-Body chassis. The gave the car a wider track, Baer six-piston 14″ brakes, and RideTech HQ coilovers on every corner.

1973 Oldsmobile Cutlass with a LSA V8

1973 Oldsmobile Cutlass with a LSA V8

Now that the foundation was laid it was time for power. Schwartz went with a 6.2 L LSA V8 crate engine that was increased to 700+ horsepower thanks to a 100 shot wet nitrous system. The engine runs off a GM Performance ECU and wiring harness. A ComceptOne front serpentine kit drives the front accessories such as AC and power steering.

1973 Oldsmobile Cutlass with a LSA V8

1973 Oldsmobile Cutlass with a LSA V8

Behind the engine sits a Tremec T-56 Magnum six-speed with a American Powertrain clutch and flywheel. This leads to a custom steel driveshaft and a Moser 9″ full floating rear end with a TrueTrac diff and 3.70 gears.

1973 Oldsmobile Cutlass with a LSA V8

1973 Oldsmobile Cutlass with a LSA V8

One of the most obvious modifications was the front bumper removal. This required some custom fabrication to fill in the open areas and make it seamlessly blend.

1973 Oldsmobile Cutlass with a 6.2 L LSA V8

1973 Oldsmobile Cutlass with a 6.2 L LSA V8

You can view more photos of the build process here.

1973 Oldsmobile Cutlass with a LSA V8

1973 Oldsmobile Cutlass with a LSA V8

Source: Schwartz Performance and Lou Costabile

One Comment

  1. I8A4RE

    Beautiful car and awesome engine! The only thing I would change would be getting rid of that rubber strip on the back bumper. Otherwise I love it.

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