Cool C4 1984-1996 Chevrolet Corvettes, America Sports Car. ZR1, Gran Sport, Lingenfelter, Callaway.
 

 

 

1993 Corvettes

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This is the Section for 1993 C4 Chevrolet Corvettes. GM continues the C4 Corvettes through 1996, there are 10 pages of 1993 Corvettes, be sure to take a look at all of the pages to see many different colors, wheel combinations, body kits, interiors, engines, tires, exhaust systems and tips on such models as the convertibles, coupes, ZR1, Callaway, Collectors Edition, Grand Sport, and more.
 

1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions
       
1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions

 

     
1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions
       

1993 Chevrolet Corvette - 93 was the 40th anniversary editions

1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions
       

1993 Chevrolet Corvette - 93 was the 40th anniversary editions

1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions 1993 Chevrolet Corvette - 93 was the 40th anniversary editions
       

Exterior appearance continued virtually unchanged for 1993, but a 40th Anniversary Package (RPO Z25) was optional with all models. The package included a Ruby Red metallic exterior, Ruby Red leather sport seats, power driver seat, special wheel center trim and emblems.

All leather seats in 1993 Corvettes had "4Oth" anniversary embroidery in the headrest area. The base black cloth seats did not.

Horsepower for the base LT1 engine remained 300, but three changes made the engine quieter. First, the heat shield design changed from a single-piece stamping to a two-piece sandwich type that was self-damping. Second, new thermoset polyester valve covers with "isolated" mounts replaced 1992's magnesium covers. Third' the LT1 camshaft exhaust lobe profile was modified to reduce the exhaust valve closing velocity. Also, a shortening of the inlet duration permitted more duration for the exhaust so there was no increase in overlap area. Emissions and idle quality weren't adversely affected. A side benefit of closing the inlet valve sooner was an increase in torque from 330 to 340 lb.-ft at 3600 rpm.

Horsepower increased for the optional ZR1's LT5 engine from 375 to 405hp, a result of modifications to the cylinder heads and valve train. Other changes included four-bolt main bearings, a Mobil 1 synthetic oil requirement, platinum-tipped spark plugs, and an electrical, linear exhaust gas recirculation (EGR) system for improved emission control.

The 1993 Corvette was the first auto sold by GM to feature a passive keyless entry (PKE) system. Working by proximity, a battery-operated key-fob transmitter sent a unique code picked up by a receiver in the Corvette through one of the two antennas ( in coupes, antennas were in the driver door and rear deck; in convertibles, antennas were in both doors). The transmitter required no specific action by the owner; approaching the vehicle with the transmitter would unlock the doors, turn on the interior light, and disarm the theft-deterrent. Leaving an unlocked vehicle with the transmitter would lock the doors and arm the theft-deterrent. The PKE could be turned off completely and transmitters were programmable for locking and unlocking just the driver door, or both driver and passenger doors. Transmitters for convertibles had a single button for programming and driver/passenger door unlocking; transmitters for coupes had an extra button for rear hatch release.

Front wheels for base cars were decreased from 9.5x17 to 8.5x17 and the front tire size from P275/40ZR17 to P255/425ZR17. Rear tire size was increased from P275140ZR17 to P285140ZR17. For RPO Z07, 9.5x17 wheels and P275140ZR17 tires were used front and rear.

Although the same in design as the previous model, 1993's wheels had a different surface appearance due to a change in finish machining.

 
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