08-31-2009, 10:53 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Usually when you see "monster variations" you think air-bubble. Replacing the thermostat with one you've tested on the stove and burping the system (when you can't spot something obvious) is usually the first step.
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