1973 Oldsmobile Cutlass LSA

Joe LohrCompleted Projects

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1973 Oldsmobile Cutlass LSA

The 73-77 GM A-bodies are rarely seen. We think they're awesome! This customer came to Schwartz for a complete re-do, except for the beautiful black paint of course. Watch this '73 Olds become a monster with over 800hp.

Frame & Suspension

  • Schwartz Performance G-Machine chassis system
  • Power steering rack
  • Ridetech single-adjustable coilovers
  • Racing style splined sway bars
  • Baer 14" brakes, 6 piston front and rear


  • GM LSA crate engine, with Schwartz 700+hp package
  • Nitrous Outlet wet nitrous system, 100 shot
  • GM Performance wiring harness & ECU
  • ConceptOne billet serpentine drive w/AC and power steering
  • Custom air intake


  • Tremec T56 Magnum
  • American Powertrain clutch & flywheel
  • Custom steel driveshaft
  • Moser 9” full floater, 31 spline axles
  • Moser 9” third member with TrueTrac differential, 3.70 gears

Wheels & Tires

  • Forgeline GT3C wheels
  • 18x9" front, wrapped in Michelin Pilot Super Sport tires
  • 18x10.5" rear, wrapped in Michelin Pilot Super Sport tires

Paint & Body

  • Custom fiberglass front end filler pieces & bumper delete

Other Features

  • Custom BeCool aluminum radiator w/electric fan

This Olds arrives at our shop

Disassembly gallery

Bodywork before paint gallery

Chassis fabrication & fitment gallery

Final assembly gallery

Completed gallery