i run a robert shaw, cost me $12 and has a lifetime warranty
its a 190, and it keeps my car @ 195-200 all the time except in extreme heat, which it will go up to 210 sometimes
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SHaFTed
91GT, 2 chamber flows, dumps, 70MM BBK TB, K&N conical, Robert Shaw tstat, Hurst short throw, T5, 17" Lexani Roma wheels, 235/40/R17 on front, 255/45/R17 on back, mach1 hood, LX tail lights, bright red!