I hear you guys talking about this alot and I don't know what all it consists of. From what I gather, it sounds like an upgrade from the WS6. If so, what has been improved?

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Rob
'86 TA 305 TPI

 

It was a performance package option on the Camaro (not sure about the Firebird or T/A, except for the Turbo T/A which got the 1LE brakes). It was only available on an option level one IROC-Z (not including the B4C cop cars) with the 305 TPI engine backed by the 5-speed manual or the 350 TPI/automatic combo, the G92 option, and A/C delete (C41, standard heater). The G92 package included the N10 performance exhaust system (dual cats) for 10 more horsepower, 16" wheels (N96), 245/50ZR16 Gatorback tires (QLC), limited slip differential (G80), rear disc brakes (J65), and the engine oil cooler (KC4). The 1LE package consisted of fog lamp delete, aluminum driveshaft (JG1), special deflected-disc shocks, aluminum spare wheel with smaller spare tire (N64), the famous big front brakes (12" rotors with the Vette's HD dual-piston aluminum PBR calipers), and a special swinging fuel pickup in baffled gas tank (made standard later in F-bodies). Some of these items were available separately (dual cats, wheels, tires, posi-trac, and the rear disc brakes) or part of one package or another.

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Greg Westphal
'87 IROC 305TPI/A4