DESPITE THE PROTESTATIONS OF THE FO; CAPT OF GLF2 TRIES TO CLB TO FL450 NOTWITHSTANDING DETERIORATING AIRSPD. STICK SHAKERS AND A FULL STALL OCCUR JUST SHORT OF FL450. RECOVERY MADE BACK TO FL430.

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PIC BECAME NERVOUS OF HIS FUEL STATE WHILE FLYING XCOUNTRY TO PALM SPRINGS; CA (TRM). AT ALT; FL430; PIC ELECTED TO CLB TO FL450. WE WERE APPROX 52000 LBS. PIC USED CRUISE CHART TO CHK IF WE WERE TOO HVY. WE WERE AT MAX ALLOWED WT. I STATED WE WERE A LITTLE HVY FOR FL450. PIC STATED WE WERE MORE THAN FINE; THAT I DIDN'T KNOW WHAT I WAS TALKING ABOUT. AS WE PASSED THROUGH FL440; AIRSPD BEGAN TO DECAY BELOW 200 KTS. I STATED THE SPD; PIC STATED WE WERE FINE. AT FL445; ACFT SLOWED TO 180 KTS. ACFT SLOWED TO 170 KTS AS WE PASSED FL448. I CALLED 'AIRSPD' AND STATED WE WERE TOO SLOW. PIC STATED WE WERE FINE; AND POINTED TO HIS ANGLE OF ATTACK GAUGE STATING 'OH WE ARE FINE; THE ANGLE OF ATTACK GAUGE IS IN THE GREEN.' I STARTED TO SAY THE ANGLE OF ATTACK GAUGE IS INACCURATE AT ALT; THE PIC PULLED ACFT SLIGHTLY BACK TO REACH FL450. AIRSPD DECAYED BELOW 165 KTS. ACFT BEGAN TO PORPOISE; FOLLOWED BY STICK SHAKERS; A STICK PUSHER; AND A FULL STALL. PITCH REMAINED UP AS ACFT WALLOWED DOWN; PIC TRIED TO HOLD ATTITUDE AND SQUEEZE IN MORE PWR. I SCREAMED 'PUSH THE *&#%$@^ NOSE OVER!' STICK SHAKERS STOPPED THEN BEGAN AGAIN AS WE ENTERED A SECONDARY STALL. AS THE NOSE WAS LOWERED (MY HANDS WERE HELPING PUSH THE YOKE); THE ACFT STABILIZED INTO A DSCNT LOSING APPROX 800 FT. I CALLED CTR STATING WE HAD TO DSND TO FL430. WE CONTINUED TO DSND TO FL430. PIC STATED THE CHARTS WERE WRONG AND THE ANGLE OF ATTACK GAUGE WAS BROKE. HE FURTHER STATED THAT WE REALLY DIDN'T STALL; IT WAS JUST TURB. HE MISTAKENLY STATED THAT WE COULDN'T HAVE STALLED BECAUSE WE HAD NO AUDIBLE WARNING OF A STALL. I WAS AGGRAVATED BUT ARGUED THERE IS NO AUDIBLE STALL WARNINGS ON A G-2 OTHER THAN THE STICK SHAKERS/PUSHER. I FEEL THE PIC IS TOO ARROGANT OR AFRAID TO ADMIT AND CORRECT MISTAKES. PEOPLE HAVE COMPLAINED ABOUT THIS IN THE PAST. HE MAY BE OVERLY SENSITIVE TO CRITICISM.