The arrival of the 1968 Corvette occurred at a time when the world, much like the Corvette itself, was struggling to find an identity of its own amidst political, social, and financial turbulence.
For its own part, General Motors had recognized that skyrocketing gas prices and performance-car insurance premiums coupled with spiraling inflation made purchasing and owning a Corvette increasingly expensive for future consumers.
Two-door convertible/coupe, front engine, rear wheel drive
St. Louis, Missouri
Uni Construction: fiberglass reinforced plastic (FRP or “fiberglass”) body, backboned by a steel cage outlining the passenger compartment. Principal members – underbody, front and rear end assemblies, dash panel and hinge pillars are bonded, riveted, or bolted together and to each other. The Hood is plastic with bonded plastic reinforcement. Coupe: two removable roof panels and a removable rear window. Frame: all welded, full length, ladder construction with 5 crossmembers. Side Rails and intermediate cross members box section; front crossmember box girder section. Eight body-mounting points.
VEHICLE NUMBERS (VIN):
194378S400001 – 194378S428566
HE: 327 CUBIC INCH, 300 HP, MANUAL TRANS
HO: 327 CUBIC INCH, 300 HP, AUTOMATIC TRANS
HP: 327 CUBIC INCH, 350 HP, MANUAL TRANS, AIR CONDITION, POWER STEERING
HT: 327 CUBIC INCH, 350 HP, MANUAL TRANS
IL: 427 CUBIC INCH, 390 HP, MANUAL TRANS
IM: 427 CUBIC INCH, 400 HP, MANUAL TRANS
IO: 427 CUBIC INCH, 400 HP, AUTOMATIC TRANS
IR: 427 CUBIC INCH, 435 HP, MANUAL TRANS
IT: 427 CUBIC INCH, 430 HP (L88), MANUAL TRANS, ALUMINUM HEADS
IU: 427 CUBIC INCH, 435 HP, MANUAL TRANS, ALUMINUM HEADS
Type and Description: Independent, SLA type, coil springs with center mounted shock absorbers, spherical joint steering knuckle pivots.
Front Coil Springs
Make & Type
Right-hand Helix Variable rate
Spring Rate (lb. per in.)
Rate at Wheel (lb. per in.)
Design Load at Spring
9.99 in. @ 1395 lbs. (9.99 in. @ 1540 lbs.
Front Stabilizer Bar
Hot rolled steel
.750 with 327ci engine, .9375 with 427ci engine
Suspension – Back
Type and Description: Full Independent rear suspension with frame-anchored differential unit. Position of each wheel established by three links: tubular axle drive shafts, transverse strut rods, torque control arms. Vertical suspension loads taken by transverse leaf springs. Built-in camber adjustment at strut rod inner ends.
Rear Leaf Springs
Number of Leaves
Chrome carbon steel
Length, width, height
46.36 x 2.25 x 2.121
Rear Shock Absorbers:
Direct, double-acting, hydraulic
Caliper Disk – 4 Wheel Hydraulic
Delco-Moraine Vacuum Assisted Powered Brakes
Drum diameter, front (in.):
11.75 x 1.25
Drum diameter, rear (in.):
11.75 x 1.25
Swept Drum Area Effective area:
Wheels & Tires
Wheels & Tires Specs
Short spoke spider, welded steel
Ribbed integral casting, aluminum, quick take-off
15″ x 7.00
F70 x 15 — 4 PR. 2-Ply Tubeless Rayon
F70 x 15 — 4 PR, 2-Ply Red Stripe Nylon
F70 x 15 — 4 PR, 2-Ply White Stripe Nylon
Semi-reversible, recirculating ball and nut steering gear with three-inch axial column adjustment; two-location steering arm-tie rod connection for street and fast ratio. Telescoping shaft steering available optionally.