AN SMA PLT HAD TO ADJUST HIS TFC PATTERN WHILE IN A PRECAUTIONARY LNDG SITUATION BECAUSE OF ANOTHER ACFT ON THE RWY THAT WAS NOT MONITORING THE PROPER CTAF FREQ.

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PERFORMED TKOF ON RWY 16. APPROX 500 FT AGL; OIL PRESSURE SHOWED DROP. A 180 DEG TURN WAS PERFORMED AND A FLYOVER OF RWY 34 WAS EXECUTED TO SET UP FOR ANOTHER 180 DEG TURN FOR A PRECAUTIONARY LNDG ON RWY 16. I WANTED TO KEEP THE RWY UNDER ME IN CASE OF COMPLETE LOSS IN PRESSURE. UPON INITIAL COURSE REVERSAL ON RWY 34; ANOTHER ACFT WAS SPOTTED ON THE RWY. IT APPEARED AS HE SAW ME AND ABORTED HIS TKOF. THERE WAS NO COM BY THAT PLT. TOOELE VALLEY ARPT CHANGED CTAF JUN/XX/92. I PULLED UP AND BANKED R WHICH PUT ME IN A L DOWNWIND FOR 16. I QUICKLY SWITCHED #2 RADIO TO 122.8 AND ASKED IF THE ACFT ON THE RWY WAS MONITORING THIS FREQ. HE REMARKED YES. I PROMPTLY TOLD HIM THAT THE NEW CTAF WAS 123.00. HE SWITCHED FREQS AND ASKED ME WHAT TRANSPIRED OUT THERE. I TOLD HIM OF MY SITUATION AND HE THEN ANNOUNCED THAT HE WAS AN FAA INSPECTOR FROM THE SLC FSDO AND WOULD APPRECIATE A TELEPHONE CALL. SOLUTION: I SHOULD HAVE MADE A NORMAL BUT CLOSE PATTERN TO AVOID A POSSIBLE CONFRONTATION. THE OTHER PLT SHOULD HAVE BEEN BETTER BRIEFED ABOUT THE CTAF CHANGE. UNFORTUNATELY; MOST AFD ARE SLOW IN THEIR REVISION SVC. AS SOON AS THE CHANGES ARE MADE IN THE NOAA AFD; ALL NOTAMS ARE REMOVED. THIS IS A SERIOUS PROBLEM. WHEN A PLT GETS A WX BRIEFING AND CHKS FOR NOTAMS; THEY WON'T HEAR OF THE FREQ CHANGE.