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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Actually 87 was the first year that the RS name was brought back. There were only 600 or so cars made that year as a RS and were only allowed to be ordered in Cali.
FWIW the RPO code for the IROC's 88-90 was Z28 not B4Z... Hrmm
88 was just a "Camaro" as the base model. Also that year the LO3 became the standard engine in the camaro's. Yes even the IROC's.
89 the RS became the base model...