j heads..more perf. questions

thanks guys,
I unfortunately dont have the cc's on the heads....probably can get them though, yes, the vacuum advance is hooked up. Didnt seem to make much difference disconnected either, I will have to run my advance checks here real soon, (burned through the wires on the old timing gun ..d'oh) need to get a new one. I know I have plenty of vacuum from the intake, have changed distributers and ignition out before and still ran identically. Havent messed with the carb, so dont know the jets, but will get them and pass that along. The new cam was installed normally, not degreed. With these questions.....none sound serious, but more like tuning issues, am I getting this could be a possiblilty? The car actually fires and runs like a top so its basic tune is good, possibly just tweak her around some more? I'll see about getting some more of that info. together.....in the mean time, any other suggestions, ideas or comments are greatly apprciated.
thanks!

oh.... and I never have rolled this one through a 1/4 mile track yet, but have done a self timed 1/4 mile give or take 13.7 @ around 102 mph that should be fairly close so anywhere between 13-14
-RPM