there are a few ways. the easiest would be to run into something at a good rate of speed. another would be to take apart the steering wheel and see for yourself
look at the vin i think the hood on a 91 rs only came smooth. didnt have louvers/blisters or anything like that. also i think the z28 was the only one available with the raised spoiler. but like he...
Pull the starter motor so you can see the flywheel. Make a chalk mark on the flywheel. Have someone turn the engine over by hand while you watch the flywheel turn one revolution. Look at the gear...
one is most places test for free. but the easy at home way to check is get your car jump started if its not starting on its own. after its running, pull the negative off the battery taking special...