Reply to "Obsessing about thermostats and bypass"

jfb05177Member

the "hat" needs to be the correct diameter to fit into the brass plate's hole

when cold the hole for bypass is open and no coolant to radiator

when warm, the hat will start throttling the coolant and reduce bypass

when hot the hat has the hole nearly plugged so virtuatlly no bypass

when real hot the body of the thremosat contacts the plate

the 333 (correct dimensions)

the 330 has a hat BUT its the wrong dimensions

and would not throttle allowing more bypass (and less to radiator)

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7/27/212:51 PM

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