usually engine size. all Z28 are either 5.0 or 5.7 and the RS is either a V6 (3.8 I think) or a 5.0. If the Z and the RS both have 5.0's there will be engine enhancements such as throttle body injection in the RS where as the Z28 had tuned port injection, and other minor mods to the engine and suspension. In other words the Z28 was a little bit better and faster than the 8 cylinder RS.
Just a plain Jane Camaro would have a V6 in it and it has just a plain flat hood with just plain fenders. Z28 would have come with a V8 and has hood scoop and air induction fendrs.
Z28 is an option package that was, well, optional on Camaro's. Basically, a Camaro Z28 is a Camaro that's set up from the factory to be a bit faster than a regular Camaro.
Depends on the engine... between 190 and 265
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No it does not
5w30.
It won't, Chevy has no plans to make a Z28 in 2011
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How much horse power does a stock 2002 camaro Z28? How much horse power does a stock 2002 camaro Z28?