'91/'92 Z28 LB9/M5 Factory T-Tops?
01-20-2010, 09:55 PM
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Car: 1988 IROC Z28
Engine: 305 H.O. LB9
Transmission: T5 5-Speed
Axle/Gears: 3.45
'91/'92 Z28 LB9/M5 Factory T-Tops?
I have read in several different places that '91/'92 5-speed Z28's did not come with t-tops. I have seen a couple that had aftermarket t-tops dealer installed (no CC1 on spid sheet) but never any factory installed, until possibly now. There is a '92 Z28 with LB9/MM5/Z03 and CC1 on the spid sheet for sale in my area. I'm interested in it but I'd like to know if it was really possible to get one from the factory. Any info would be great. 
01-20-2010, 11:33 PM
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Re: '91/'92 Z28 LB9/M5 Factory T-Tops?
The info I have about 5-speed LB9 availability is this: CC1 was not available with Z28's with 5-speeds and the 1SD option package (which added AC3 power driver seat and the electric twin remote mirrors) also N/A with the G92 package, so it was a available factory combination to get a 5-speed, LB9/CC1 for '91 and '92. The transmission rpo should be M39, and a 3.08 axle ratio, it was the same trans used in the 5.0E (L03) .. Chris
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