1970 Buick Skylark LS7

Joe LohrCompleted Projects

Back to Current Projects

1970 Buick Skylark LS7

Here's a 1970 Buick Skylark are building for a local owner. It will have some similarities to a GSX but this is not a clone. This will be a one of a kind Buick with lots of high end bits that will make it really stand out. We start with the Schwartz G-Machine chassis and Schwartz branded 6-piston brakes with a Schwartz modified GM LS7 mated to a Tremec 6-speed trans.

Frame & Suspension

  • Schwartz Performance G-Machine chassis w/splined sway bars
  • Quick-ratio power steering rack
  • Baer Brakes 14" Pro-Plus 6 piston brake system front & rear
  • RideTech single-adjustable coilover shocks


  • Schwartz Performance 675hp LS7 dry sump engine, 7.0L, custom cam grind
  • Chevrolet Performance ECU / wiring harness
  • Peterson aluminum dry sump tank
  • Wegner billet serpentine drive with ATI balancer, 170a alternator, Sanden AC, & type II power steering pump
  • Schwartz stainless 1.875” long tube headers
  • Custom 3” stainless steel & TIG welded exhaust with Magnaflow mufflers & SLP resonators


  • Tremec T56 Magnum
  • GM LS7 clutch & flywheel kit
  • Bowler Performance hydraulic clutch conversion
  • Custom steel driveshaft
  • Moser 9” rear end housing with Baer “Tracker” Full floater system, 31 spline axles
  • Currie nodular iron third member, 31 spline TrueTrac differential, 3.70 gear

Wheels & Tires

  • Forgeline Schism wheels
  • 19x9 front wrapped in 255/35/19 Michelin Pilot Super Sport tires
  • 19x12 rear wrapped in 345/30/19 Michelin Pilot Super Sport tires

Paint & Body

  • Shaved door handles - Kindigit Design
  • Custom striping by Schwartz Performance
  • Bodywork & paint by Schwartz Performance


  • Dakota Digital VHX gauges
  • Custom center console & door panels with engine-turned accents
  • Custom interior upholstery by Cassin Customizing
  • Procar by Scat Rally seats 
  • Carbon black leather w/yellow alcantara inserts/accents
  • Alcantara headliner & sun visors
  • Leather wrapped dash
  • Custom paneled trunk 
  • Billet Specialties steering wheel
  • Billet interior door handles
  • Clayton Machine Works pedal assembly
  • Power window kit by Nu-Relics
  • Double-din Pioneer head unit

Other Features

  • Optima YellowTop battery w/Schwartz Performance billet mount
  • BeCool radiator w/dual fans
  • Backup camera 

The Rendering

How we received the car

Uncrating of the GM LS7 and Tremec 6 speed

The G-Machine Chassis

New chassis fitment

Assembly before paint

Exhaust fabrication

Sheet metal fabrication

Bodywork before paint

Paint prep and paint

Custom interior

Final assembly