318 vs. 360?

And 13's is very reasonable and achievable AND still maintain a fairly real world drivability. My wife even gets to drive the dart (not quite the way I DRIVE it, but she drives it and likes it). If I were to bump the compression up and put the late model swirl port heads on and the 750 double pump as opposed to the 600 vacuum I am running I wouldn't see why I couldnt squeeze faster times, I just like the fact that at 8-8.5 to 1 cr that I have makes it easy for me to pull up to (dare I say it) the 87 octane crap gas and it runs just fine on it (and still scoots ta boot). I run race gas just because I like how it smells :-)