It was just an incorporation of the "Z" in Z-28. IROC stood for International Race Of Champions.....from the Nascar IROC races.
There were no IROC Camaros in 1991
No, some IROC's are a 305 5.0 Liter and have a 5 speed manual. Total production for IROC's in 1987 was 38889, 12105 of those were 5.7L IROC's. ALL 5.7L IROC's were 700R4 Automatics, the remaining 26784 5.0L IROC's were available in Auto or Manual Transmissions.
no.
no, all IROC-Z's were V8s.
the last production year for the iroc z was 1990, there is no such thing as a 1991 iroc z
There is no such thing as a 1992 IROC Camaro
nope, camaro dropped the iroc sponsorship after '89 then the dodge daytona got it. the camaro was only available in an iroc fron 85-89
The Iroc has slightly better tires and had minor "visual" differences
i would say the iroc
Yes, they did iroc and Z28's are a little different, but i have just a regular Z28 most iroc's a tombport as regular Z28's do not.
No they are not. Base engine on an '88 IROC was a 170 hp 305 TBI.