ok, along with the issues i am having with the fuel, it seems that there is an issue with the idle. the car will idle fine the moment i get her started, after like 10-12 min the idle will start to drop a small amount. you can hear the exhaust burp a bit as its doing it. eventually it will start to gradually go down until it shuts off. some history: i replaced the maf, o2 sensor, and the car gets flooded with fuel on all cylinders. i have a walbro with stock fpr. i have already been through 3 sets of plugs. also, while i was revving her i noticed that i could not really get past 6000 rpms. when i would get that hight the car would really start popping and backfiring. lots of smoke from the exhaust and smells like gas is everywhere. whats going on?