Mercury Cougar Owners banner
restrictor washer

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-1 of 1 Results
  1. Classic Cougar Tech
    Can't find a thread to address my specific problem and question. The engine only overheats at idle over a 5-10 minute span. At highway speeds it does not overheat and runs in the normal range (slightly below half). I pulled out the thermostat to check it, and it is a cleveland thermostat...
1-1 of 1 Results