dave8412  Jun 16 2006 - 8:46am   

Q: What's included in the 1LE Performance package?

A: In 1988, the secret showroom stock racing 1LE option (option level 0 IROC-Z)was first available; however, only 4 were produced. Then in 1989, the option became more well-known as 111 were produced that year.

The package was obtained by ordering the following:

Level 1 IROC-Z with 5.0 TPI engine with 5 speed or 5.7 TPI engine

Optional axle ratio (G92) (305/3.45, 350/3.27) and its required options

Air conditioning delete (C41) (standard heater)
The package originally consisted of:

• Fog lamp delete
• Aluminum driveshaft (JG1) (part # 10085375)
• Performance exhaust system (N10) (dual catalytic converters)
• Special deflected disc shocks
• Aluminum spare wheel with smaller spare tire (N64)
• Lower control arms (part # 10164151)
• Larger (11.86 inch) front rotors (part # 18016035)
• Larger front spindles (part #'s 18016737 / 18016738)
• PBR front, dual-piston aluminum calipers (part #'s 10132827 / 10132828)
• Special swinging fuel pickup in gas tank and special 18 gallon baffled fuel tank for fuel pickup down to .5 gallon reserve to prevent fuel starvation in hard cornering
• Some came with special 16" x 8" light alloy mesh wheels (XWL)