04-10-2002, 03:51 PM
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CC Member
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Join Date: Mar 1999
Location: TACOMA,
WA
Cobra Make, Engine: Everett Morrision FE 427 so 2-4s
Posts: 2,025
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Not Ranked
Thermostats for FE
I'm concerned about thermostats for my 427 FE. I have the large surge tank opening 63MM the way I understand it.I went shopping at NAPA and was given a #91 by the counter person.I looked at it and thought the valve area was small,about 3/4".
The thermostat that I removed from my engine was a large outer ring made from one thrmostat w/ apersice inner hole and a Whole other thermostat w/a large valve,about 1 1/2" across.It was almost all valve w/verry narrow outer ring.It was RTV'd together It worked for the most part but there were occassions when temps ran cooler or hotter than normal.I now wonder if the outer body or valve edge could have gotten hung up on the outer ring.Has anybody been down this road before and what did you come up with?
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Mike H
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