LS3-Powered 1937 Chevrolet Business Coupe 6-Speed
- Chassis: DRF73752
- Street Rod Garage Chassis
- 1k Miles Shown, TMU
- Don Hardy 416ci LS3 V8
- Tremec T-56 Magnum Six-Speed Manual Transmission
- Olive Green Paint
- Saddle Vinyl Upholstery
- 18x8" and 20x12" Circle Racing Alloy Wheels
- Holley Terminator X Fuel Injection
- Independent Front Suspension
- Strange Engineering Coilovers
- Wilwood Brakes
- Ford 9" Positraction Rear End
- Classic Instruments
- Old Air Hurricane Air Conditioning System
- Retrosound Bluetooth Audio System
- Service Records
BaT History (1 entry)
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This 1937 Chevrolet Business Coupe was built by Killer Hot Rods & Customs of Arlington, Texas, and is powered by a 416ci LS3 V8 paired with a Tremec T-56 Magnum six-speed manual transmission. The car is finished in olive green over saddle vinyl and rides on a Street Rod Garage chassis featuring independent front suspension, power rack-and-pinion steering, Wilwood disc brakes, Strange Engineering coilover shocks, and a Ford 9″ rear end. Additional equipment includes Holley fuel injection, Hooker exhaust headers, a 3″ ceramic-coated Flowmaster exhaust system, Circle Racing aluminum wheels, Classic Instruments gauges, an Old Air Hurricane air conditioning system, and a Retrosound Bluetooth audio system. Service in preparation for the sale included changing the oil, adjusting the front ride height and trunk latch, repairing the cooling fans, headlight wiring, brake lights, exhaust system, and air conditioning system, and replacing the front brake master cylinder, clutch master cylinder, spark plugs, throttle cable, and lug nuts. This Chevrolet coupe was acquired by the selling dealer in May 2022 and is now offered in Massachusetts with service records, copies of Modern Rodding Magazine that feature the car, and a clean New Jersey title.
The body was modified to accommodate a Street Rod Garage chassis and refinished in olive green during prior ownership. Features include an Alumicraft polished grille, a center-hinged hood with side louvers, a split windshield, dual wipers, running boards, twin mirrors, and a side-mount antenna. The trunk latch was adjusted in preparation for the sale.
Black-finished Circle Racing alloy wheels are sized 18×8″ up front and 20×12″ in back and are wrapped in 225/45 and 295/45 Continental Extreme Contact tires. The Street Rod Garage chassis features independent front suspension, power rack and pinion steering, a four-link rear suspension, Strange Engineering coilover shocks, stainless steel brake lines, and Wilwood Dynalite four-wheel disc brakes with slotted and drilled rotors. Service in 2022 included adjusting the front ride height and replacing the front brake master cylinder and lug nuts.
The cabin is upholstered in saddle vinyl with matching door panels and beige loop-pile carpets. Features include adjustable bucket seats, lap belts, Wilwood pedals, an American Autowire wiring harness, a Lokar handbrake lever, an Old Air Hurricane air conditioning system with concealed controls, sound damping material, a Retrosound Bluetooth stereo, and four Infinity speakers. Service in preparation for the sale included repairing the headlight wiring, brake lights, and air conditioning system.
The four-spoke sprint-style steering wheel sits ahead of instrumentation supplied by Classic Instruments. It includes a 140-mph speedometer, a column-mounted tachometer, and gauges for fuel level, oil pressure, coolant temperature, and voltage. A display panel for the Holley fuel injection system is mounted under the dash ahead of the shifter. The six-digit odometer shows 1k miles, though total mileage is unknown.
The trunk features a carpeted and upholstered fuel cell. The battery is enclosed in the passenger side storage box.
The 416ci V8 was built by Don Hardy and features body-color Chevrolet-script valve covers, a Holley Terminator X fuel injection system, Russell Performance 6AN fuel hoses and fittings, a stainless steel fuel tank, Hooker exhaust headers, a 3″ ceramic-coated stainless steel Flowmaster exhaust system, Magnaflow mufflers, an aluminum radiator, a Concept One Victory serpentine belt system, and SPAL electric fans. A dyno sheet from 2020 is shown in the gallery and indicates a horsepower rating of 636 at 6500 RPM. A service in preparation for the sale included changing the oil, repairing the cooling fans and exhaust system, and replacing the spark plugs and throttle cable.
Power is sent to the rear wheels through a Tremec T-56 Magnum six-speed manual transmission, a 3.5″ drive shaft, and a Ford 9″ positraction rear end with 3.7:1 gearing and 31-spline axle shafts. The car is also equipped with a McLeod RST Stage 2 twin-disc clutch. The clutch master cylinder was replaced in preparation for the sale.
Additional photos of the build process can be viewed in the gallery.