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 History >> Press Releases
General Motors Media Press Release
FOR RELEASE: November 4, 1998
CONTACT: Cam Melangton
Phone: (317) 843-5444
1999 C5 Corvette and C5-R Race Car Comparison
| | 1999 C5 Corvette | 1999 C5-R Corvette Dimensions
| | Wheelbase | 104.5" | 104.7" |
| Length | 179.7" | 182.8" |
| Width | 73.6" | 76.4" |
| Height | 47.8" | 45.8" |
| Front Tread | 62.0" | 74.7" |
| Rear Tread | 62.1" | 76.1" |
| Curb Weight | 3245 lbs. (coupe) | 2510 lbs. |
| Fuel Capacity | 19.1 gals. (US) | 100 liters |
Chassis/Suspension/Tires/Wheels
| | 1999 C5 Corvette | 1999 C5-R Corvette |
| Structure/Frame | Steel welded perimeter frame with hydro- formed frame rails
| Steel welded perimeter frame with hydro- formed frame rails |
| Body | Fiberglass-reinforced | Carbon fiber
plastic |
| Front Suspension | Short/long arm double wishbone; forged aluminum control arms; transverse leaf spring; gas shocks; 23.0mm anti-roll bar (25.4mm w/hardtop or Z51 pkg.)
| Short/long arm double
wishbone; forged
aluminum upper, cast
aluminum lower control
arms; fabricated steel
knuckle; coil-over
multi-adj. shocks;
adj. anti-roll bar |
| Rear Suspension | Short/long arm double wishbone; cast aluminum control arms; composite transverse leaf spring with individual height adjusters; gas shocks; 19.1mm anti-roll bar
| Short/long arm double
wishbone; steel
fabricated upper, cast
aluminum lower control
arms; fabricated steel
knuckle; coil-over
multi-adj. shocks;
adj. anti-roll bar
(27.1 w/hardtop or Z51
pkg.) |
| Front Tires/Wheels | P245/45ZR-17 Goodyear
Eagle F-1 high performance Extended Mobility (EMT)/17" X 8.5" 5-spoke aluminum
| Goodyear Racing Eagle
25X10-18
BBS forged magnesium 1
piece center lock
wheel |
| Rear Tires/Wheels | P275/40ZR-18 Goodyear
Eagle F-1 high performance Extended Mobility (EMT)/18" X 9.5" 5-spoke aluminum
| Goodyear Racing Eagle
28X12.5-18
BBS forged magnesium 1
piece center lock
wheel |
| | 1999 C5 Corvette | 1999 C5-R Corvette |
| Brakes Type
| 4-wheel vented disc w/standard ABS | 4-wheel vented Alcon disc |
| Front Rotor Diameter/Thickness | 12.6"/1.26" | 15.0"/1.38" |
| Rear Rotor Diameter/Thickness | 11.8"/1.0" | 14.0"/1.26" |
| Total Swept Area in. Front/Rear in. | 263 sq. in./158 sq. | 343 sq. in./292 sq. |
| Engine Type |
LS1 Pushrod V8 with aluminum block and heads
| LS1 Pushrod V8 with
aluminum block and
heads |
| Bore X | 3.90" X 3.62"/5.67 | 4.125" X 3.42"/5.98 |
| Stroke/Displacement | liters (346 cid) | liters (365 cid) |
| Intake System | Electronic Sequential Fuel Injection | Electronic Sequential Fuel Injection |
| Ignition | Distributorless - one coil per cylinder | GEN III Delphi |
| Valvetrain | Two pushrod-operated valves per cylinder | Modified stock cam; aftermarket rocker arms |
| Compression Ratio | 10.1:1 | 12.5:1 |
| Horsepower | 345 @ 5600 RPM | 600 @ 7200 RPM |
| Torque | 350 @ 4400 RPM | 495 @ 5600 RPM |
| Transmission Type | 6-speed manual (coupe & hardtop) 4-speed 4L60-E automatic overdrive
| 5-speed manual with
drop gear
(convertible) |
| Final drive ratio | 3.42:1 (w/6-spd.) 2.73:1 (w/auto, 3.15:1 opt. w/auto)
| 3.11:1 (subject to
change depending on
race track) |
| Performance | 0-60 MPH (sec.) 5.0 |
| 1/4 mile (sec./MPH) | 13.36/109 |
| Lateral Acceleration | 0.93 g |
| Top speed (MPH) | 175 (Hardtop) |
Performance measurements for the C5-R Corvette are not available. The
car is set up differently for different tracks to optimize lap times.
Related Forums: 1997-2004 Technical Discussion, Corvette Racing
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