Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - To Drill or Not To Drill Thermostat
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Old 01-02-2011, 08:08 AM
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delawarebill delawarebill is offline
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about 3 or 4, 1/8" holes will be fine. mainly to make sure the sys is not air bound. try a 160 stat.
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