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Old 06-07-2003, 05:25 PM
manny manny is offline
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Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
Originally posted by 1991300SEL
If anyone feels compelled to drill holes in a t-stat, why not just remove it altogether? The thing is intentionally designed to open and close. The flow remains open with holes drilled - all of the time.
A thermostat not only controls the heat, it also controls the flow of coolant.
That's why you can actually create an overheating problem, when you remove the thermostat.
The coolant flows through the rad so fast, it does not get a chance to cool down.
Some engines, ( my former 5.0 Mustang comes to mind ) have a little ballcheck valve in the thermostat. The purpose is to prevent steam pockets from forming in the cylinder heads, especially after a coolant flush/re-fill.
2007 C 230 Sport.
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