i have a 1983 cutlass supreme that i just bought last week. its a v6 with 3.8l 231 engine and im tryin to find out if theres any do it yourself mods i can do to the engine for better preformance. im also looking for a site that sells headers or a site for the v6 g-body cars. i dont care what it is as long as its preformance spit it out.....thanks guys