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1993 Triple Black Allante
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701 Posts
From what I have heard, that is normal operating range for the Allante. If it worries you, you could put a 160 degree thermostat in it.
 

· Banned
1993 Triple Black Allante
Joined
·
701 Posts
My service manual says the operating temperature is between 185 and 230 degrees. If the temperature exceeds 259 degrees the air conditioner compressor clutch will disengauge and code B450 will set. I would guess that yours is similar. I have a 1993 and the thermostat is a 180 degree. Your temps are within range, but if you feel better, go ahead and install the 160.

Don
 
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