FLT CREW OF B747-400 EXPERIENCE A CLASSIC WORK OVERLOAD ON DEP FROM ZSPD. ALT OVERSHOOT AND ALT UNDERSHOOT AND STALL WARNING ACTIVATION RESULT.

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THE WX AT PVG (ZSPD; SHANGHAI PUDONG ARPT) WAS LOW OVCST AND THE USUAL HAZE. CLRNC WAS TO FLY THE AKARA DEP TO 900 METERS (3000 FT). AT THE 5 DME; THE SID HAS YOU DOING A 180 DEG COURSE REVERSAL. ON THE CLB; WE HAD CONTINUOUS TURB. WHILE ACCELERATING AND GOING THROUGH FLAP RETRACTION; WHEN WE BROKE OUT THROUGH LAYERS AND WHILE THE FO WAS IN THE TURN; I SAW A SMALL TWRING CUMULOUS IN THE DIRECTION OF THE TURN. (NOT VISIBLE BY RADAR). I BROUGHT IT TO HIS ATTN; AND ASKED HIM TO TRY TO STAY INSIDE OF IT; KNOWING THAT WE WOULD SKIRT THE EDGE OF IT. FLAPS WERE RETRACTING TO 1 DEG; AND WHEN HE CALLED FOR FLAPS UP; I MENTIONED THAT THE FLAPS WERE STILL IN TRANSIT TO THE 1 DEG POS. (UNUSUALLY LONG TIME FOR RETRACTION.) (THE ASSUMPTION WAS OF COURSE MADE THAT WE MAY HAVE A POSSIBLE FLAP PROB.) AT THAT POINT WE RECEIVED AN ATC CALL FOR A FREQ CHANGE. I LOOKED UP AND SAW THAT THE FLAP INDICATION WAS NOW SHOWING GREEN AT FLAPS 1 DEG. I CALLED OUT 'FLAPS ARE SHOWING NORMAL' AND I RETRACTED THE FLAPS TO THE 'UP' POS. THE FO ACKNOWLEDGED. WHILE I WAS CHANNELING THE RADIO; THE RELIEF PLT CALLED OUT 'ALT.' I LOOKED UP; AND SAW US APCHING AND OVERSHOOTING THROUGH 900 METERS. THE FO STARTED THE CORRECTION IMMEDIATELY BACK TO ASSIGNED ALT. SEEING THAT HE WAS MAKING THE CORRECTION; I CONTACTED THE NEXT CTLR. I RECEIVED AND READ BACK THE USUAL LONG CLRNC. AT THAT POINT I HEARD A VERY SHORT BURST OF THE STICK SHAKER; WHILE STILL IN THE TURN; WHILE CLBING BACK UP TO 900 METERS AND WHILE STILL IN TURB. FO CORRECTED AND CONTINUED THE CLB UP TO THE NEW ASSIGNED ALT. THERE WERE NEVER ANY TFC CONCERNS; OR QUESTIONS ASKED BY PVG ATC. THIS SIT WAS A CLASSIC EXAMPLE OF HIGH WORKLOAD; A LOW ALT LEVELOFF; AND MANY DISTRS COMING AT US ALL AT ONCE. HAVING THE THIRD SET OF EYES IN THE COCKPIT BY CALLING OUT 'ALT' MADE A BIG DIFFERENCE. SUPPLEMENTAL INFO FROM ACN 628422: OVERSHOOT OF THE ALT AGAIN ON THE LOWER SIDE. MY VIEW OF THE INST PANEL AND THROTTLE QUADRANT BLOCKED AT THIS TIME. SOLID CORRECTION UPWARDS WHILE STILL IN A BANK ANGLE AND TURB; FOLLOWED BY A VERY BRIEF STICK SHAKER AT SOMETHING ABOVE 270 KTS. CAPT ADVANCED MORE PWR; COPLT REGAINED THROTTLES AND CONTINUED CLB TO NEWLY ASSIGNED HIGHER ALT.