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| 1978 Corvette History Home Page | Factory Price Guide | | Body Codes | Engine Specs | Trans./Chassis Specs | | 1978 Corvette Serial and Production Numbers | 1978 Corvette Transmission Specifications Standard Manual Transmission: Four-speed fully-synchronized floor-mounted gear shifter. Gear Ratios: 1st = 2.85:1 2nd = 2.02:1 3rd = 1.35:1 4th = 1.00:1 Rev = 2.85:1 Final drive ratio: 3.36:1 with L48, 3.70:1 with L82 Automatic Transmission: Three-speed Turbo Hydra-Matic floor-mounted gear shifter. Gear Ratios: 1st = 2.52:1 2nd = 1.52:1 3rd = 1.00:1 Rev = 1.94:1 Final drive ratio: 3.08:1 with L48, 3.55:1 with L82 Optional Manual Transmission: Close ratio four-speed fully-synchronized floor-mounted gear shifter Gear Ratios: 1st = 2.43:1 2nd = 1.61:1 3rd = 1.23:1 4th = 1.00:1 Rev = 2.35:1 Final drive ratio: 3.55:1 or 3.70:1 Front suspension = Independent, unequal-length A-arms, coil springs; tubular shocks and stabilizer bar Rear suspension = Independent, trailing link, transverse semi-elliptic leaf springs Steering = Saginaw recirulating ball, 17.6:1 ratio, 2.9 turns to lock, 39.0 turning circle Rear axle type = Sprung differential, Hypoid gear Brakes = Hydraulic, vented four wheel discs; 11.75-inch diameter, single calipers Wheels = 8" wide slotted steel 15" 5-lug disc Coupe Wheelbase = 98 inches (2.489 m) Overall length = 185.5 inches (4.704 m) Overall width = 69.0 inches (1.753 m) Overall height = 48 inches (1.219 m) Ground Clearance = 4.5 inches (11.4 cm) Front tread = 58.7 inches (1.491 m) Rear tread = 59.5 inches (1.511 m) Content May Not Be Copied Or Reproduced Without Written Permission. |