Don't laugh. 
 
A friend had  a '88 or 89 Cavalier Z-24 5 speed. 140 hp stock. He put a cold air kit on it from K&N and some other mods  from the gm catalog. I believe he changed  the camshaft, did some headwork and exhaust mods  and gearing. 
 
That thing would get up and go.. of course it was probably a thousand lbs lighter than the comparable cars made today
		 
		
		
		
		
		
		
		
		
	
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