A friend of mine had a 67 Chevelle bought new. It had the 327/325 HP engine you're talking about with a 4 speed and 4;11 gears from factory. Don't remember much about the engine, but I'm pretty sure it had a Holley carb on it. Ran really strong. Really upset some of the big block guys, especially the FoMoCo guys. I always figured this was the perfect car, being a small block guy myself. I think this may have been the only year for that particular HP with the 327. tom