180 degree thermostat?...do I need to drill it also? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-30-2003, 11:39 AM   #1
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Default 180 degree thermostat?...do I need to drill it also?

Do I need to drill small holes in the thermostat before I install it or just install it as is?
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Old 05-30-2003, 11:40 AM   #2
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Install as is..
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Old 05-30-2003, 02:35 PM   #3
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Unless you want to run a seperate thermostat in winter, leave it. Your climate is probably a bit cold for drilling (winter that is).
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Old 05-30-2003, 08:06 PM   #4
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I run a 180 Drilled T-Stat up here in the summer & a stock 195 in the winter months! up here your climate is spring as compared to our -40 Degrees Celius Plus wind chill!
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