Basically, there are no clear-cut differences between a Z28 and an IROC-Z besides the obvious IROC appearance stuff. Either one could be ordered with many different options, so you have to compare two particular cars options to see what you want more. via
Is an IROC a Z28?
The IROC-Z, which was an options package for the Z28, featured a lowered suspension that gave it a little more prowess in the corners than before. via
What does the Z in Z28 mean?
The name Z/28 will be forever linked with the Chevrolet Camaro. In reality, it was a simple three digit, alphanumeric GM sales code for a "Special Performance Package" that was introduced in December 1966. via
What is the best year for Camaro Z28?
1970 ½ Camaro Z28
This Z28 was argued by some to be the very best Camaro ever produced, and that for a variety of reasons. Not only did it sport the ever popular long-nosed body style that was adored by so many, it also put out 400hp and had phenomenal acceleration capabilities. via
What is the best year for the IROC-Z?
The 1985 Camaro IROC-Z made Car and Driver magazine's Ten Best list that year and won praise for its precision handling and tight, if "twitchy," suspension. via
Is the IROC-Z fast?
Its Quick Zip
Smoky burnouts and tire-screeching power-slides were what the IROC-Z was all about. With the 5.7-liter engine under its long, angular hood, the Chevy could accelerate from 0 to 60 mph in a quick 5.9 seconds. via
How much horsepower does a 1986 IROC Z28 have?
How many horsepower (hp) does a 1986 Chevrolet Camaro 3rd-Gen IROC-Z 5.0 V8 have? The 1986 Chevrolet Camaro 3rd-Gen IROC-Z 5.0 V8 has 193 PS / 190 bhp / 142 kW. via
How much horsepower does a 1985 IROC Z28 have?
LB9 Z28. The LB9 engine that came in the 1985 Z28 also was a 5.0-liter, 305-cubic-inch V-8 with a 9.5-to-1 compression ratio. This engine produced 215 hp at 4,400 rpm and 275 foot-pounds of torque at 3,200 rpm. via
What does IROC Z28 stand for?
For six years, Chevrolet offered the IROC trim model of the Z/28 (from 1985-1990), which was an acronym for International Race of Champions. The race series had been the brainchild of Roger Penske and was a fixture of ABC's Wide World of Sports. via
How can you tell a fake IROC?
The best way to tell if the car is an “authentic” IROC-Z is to look at the VIN number and, most importantly, the RPO codes (granted the “faker” didn't swap out the center console with a real IROC-Z, then you would have to decode all of the numbers and figure out if the vehicle is indeed an IROC.) via
What engine is Z28?
The Z28 featured the 5.7 L pushrod LT1 V8 engine having a power output of 275 hp (205 kW) and 325 lb⋅ft (441 N⋅m) of torque that had been introduced on the Corvette one year earlier. via
How much did a Z28 cost in 1979?
History of the 1979 Chevrolet Camaro
Prices ranged from $4,676 for a base six-cylinder Sport Coupe to $6,115 for the Z28, of which 84,877 were built. via
Why is it called a Z28?
As for Z28, that moniker stood for “Camaro Special Performance Package.” Product Promotion Engineering specialist Vince Piggins initiated the Z28 to make Camaro a force in SCCA's Trans-American Sedan Championship series. via