11.0:1 306 vs. 9.0:1 306

[PKRWUD]

I'm not aware of any car that has a 200 hp engine with 11:1 pistons, that get's 25 mpg and runs on 89 octane, smog legal or not. Keep in mind, though, that an engine with aluminum head(s) can handle higher compression than one with iron head(s) (usually .5:1 higher compression). Still, 11:1 pistons and 89 octane gas isn't going to work, unless you live in Denver (or some other town with an elevation of 6000' or more).

How do I build my 5.0 306 motor to totally blow away their number

Screw numbers. Numbers are for accountants. Just worry about blowing them away, period.

If you want to really piss off some know-it-all ricer, go buy yourself a '78-'79 Ford Fairmont Futura w/ a straight 6 cylinder in it, and swap in a bone stock 302. Their actual weight is close to 2300 pounds. You will eat them for lunch.

Take care,
-Chris