Quote:
Originally Posted by BigAls87Z28
Ehhhhh
IROC was a top trim Z28 from 85-87 to show the similiarity of the IROC Camaros and the street versions. BUT, you could get a Z28 with just about the same options without going to IROC.
IROC got you Bilstiens, 16 inch wheels, larger sway bars and other chassis reinforcements and a bunch of other options standard.
In 88 to 90, there was no basic Z28 trim. There was the standard sport coupe, the RS, and then the IROC-Z.
Then in 90 when GM lost the rights to the name and no longer participated in IROC, the Z28 regained the top trim.
RS was not the base car, it was an appearance package that got you the IROC/Z28's gfx.
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I always believed that the RS became the base model starting in 1989? You couldn't get "just" a Camaro. It was either an RS (sporting either V6 {2.8 later 3.2} or a 305 TBI,) or an Iroc, and starting in 1991-1992 a Z28 (with 305 or 350 TPI).
Sorry if my wording is confusing, its late.