first ill give you the setup weisco ib spec rods weisco ib spec pistons 13:1 compression greddy timing belt stage2 kevlar clutch fidanza flywheel portflow port and polish portflow dual valvesprings and retainers supertech valves blox tuner hsl camshafts aem adjusable cam gears mugen valve cover mugen oil pan fluidampner aebs sleeved 85mm bore skunk2 pro intake mani skunk2 70mm throttlebody apex-i intake filter greddy evo 2 catback exhaust hytech 4-2-1 header, greddy voltage stabalizer, greddy oil catch reservoir, spoon ground wire system, arp rod and head bolts/studs rc 550cc injectos paxton fpr eagle fuel rail now the problem after putting the motor in i drove it a few miles without a tune, motor still ran fine, i took it to seattle, had the car tuned, made 236/160 drove it home from seattle wich is about 300 miles car ran perfect the entire way, got it home still drove it a bit then car sat for about 2 weeks, i switched the throttle body out, it was tuned on a 72mm and i installed a 70mm tuner assured me it would not make a diff and it didnt really, but when i installed it the idle was everywhere and all through rpms it would kinda choke, so i switched the gasget around to see if it would make a diff so the solenoild on the back of the intake was blocked.(the hole from the inside the throttlebody that goes into the back of the intake mani into the solenoid) and it idled fine that way but then every time i drove it it would look like i was driving a diesel, bad black coulds of smoke and blue smoke at idle and would still studder really bad and not stay running unless my foot was on the gas. so obviously its burning oil also.. checked the compression and its perfect 285 all across, switched that solenoid cause maybe it was bad and realigned the gasket the way its supposed to be now it feels like its missing in 1 cylinder all the time. wont stay running idle is everywhere and under load its throwing out white puffs of smoke.. what would cause this? head gasget couldnt be bad or compression would be off right?... im completely confused on what to do... ive troubleshooted alot of things, i hope its something simple to fix, it ran fine after being tuned now it seems to be getting worse and worse... whole thing has maybe 700miles total. any suggestions would help..