1963 Chevrolet Corvette Z06 - Gulf One

Early-'63 Tanker Was Most Successful Of 14 "Assigned" Z06s

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Z06 package was a coupe-only item early on, which included the 36-gallon fuel tank that filled up much of the rear cargo area. Later in '63 model run, Z06 was available on convertibles with stock tank.

Data File: '63 Chevrolet Corvette Sthing Ray Z06 Coupe
Original Owner: Grady Davis (Executive VP, Gulf Oil Corporation)

Modified production '63 Sting Ray coupe
Modifications: Rear brake cooling scoops, front/rear bumpers removed, cooling vents added to hood (where stock "grilles" were)
Bodywork: Chet Bunch, Carson City, Nevada
Paint: OEM Ermine White with blue racing stripes/numbers; paint preparation & applied by Chet Bunch, Carson City, Nevada

Frame: Modified production '63 Sting Ray
Suspension: Special front/rear suspension (Front) Heavy-duty coil springs, unequal-length A-arms, tubular shocks and stabilizer bar (Rear) Independent with heavy-duty transverse leaf spring and tubular shocks
Steering: Restored OEM GM-Saginaw recirculating-ball, non-power-assisted
Brakes: Restored OEM GM-Delco Moraine drum-and-shoe brakes with 11-inch (OEM size) drums and sintered metallic brake shoes, non-power-assisted
Wheels: RPO P48 cast aluminum knock-off wheels with two-bar spinners
Tires: Goodyear racing tires, 8.00-15 all around

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Chevrolet overhead-valve small-block V8 (RPO L84)
Originally built: Chevrolet Motor Division's Flint Engine Plant, Flint, Michigan
Displacement: 327 cubic inches
Compression ratio: 11.25:1
Cylinder heads: Production RPO L84, cast iron
Ignition: OEM GM-Delco points-style ignition
Induction: GM-Rochester mechanical fuel injection system
Camshaft: Production RPO L84 with solid-lifters
Exhaust: Cast iron manifolds with 2-inch pipes
Horsepower: 360 @ 6000 rpm (Advertised)
Torque: 352 ft. /lbs. @ 40000 rpm (Advertised)

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Gulf One's (slightly flared) fenderwells are filled with knockoff wheels with two-bar spinners, shod with Goodyear racing rubber.

Restored Borg-Warner T10 four-speed manual (RPO M20)
Shifter: Original '63 Sting Ray four-speed shifter with spring-loaded reverse lockout
Rear end: RPO G81 Positraction with 3.70:1 rear gears

Restored modified production '63 Corvette Sting Ray
Modifications: Safety harnesses on drivers and passenger seats, rollbar, electric fuel pump switch on center dash stack
Seats: Production '63 buckets with black vinyl upholstery
Carpets: Production black 80/20 loop-pile
Instrumentation: OEM '63 Sting Ray (0-160 mph speedometer, 0-7000 rpm tachometer with 6500 rpm redline, plus fuel level, oil pressure, ammeter, coolant temperature gauges)
Sound system: See RPO L84
Heater: See RPO L84
A/C: Race it with the windows open


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