Brand name Chevrolet is Chevrolet.
I didn't think it was lost. Or did you mean founded?
It means nothing, but is instead the last name of the founder of the company. Chevrolet comes from the man who founded Chevy, Louis Chevrolet.
If you mean Corsica, that would be Chevrolet.
Z71 is the offroad package for Chevrolet 4x4s
Google the code and you will have the answer.
Assuming you mean a CHEVROLET Camaro, the answer is General Motors.
Don't you mean 261 and not 271?
It was an RPO code for a sport suspension package.
Perhaps you mean SSR which is Chevrolet's SSR (Super Sport Roadster).
If you mean an "orifice tube", then yes.
Yes, it will fit. By fit, I mean fit in the engine bay. You will have to make modifications.