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Message: <blockquote data-quote="5litrarag" data-source="post: 578831" data-attributes="member: 9863">If the plug is burnt I'd try that first... that plug is only like 15 bucks. Free if you can find a good one at the junkyard. After that dont waste money on the other stuff until you try to swap CCRM.My cobra was doing the same thing so I decided to experiment and try to eventually nail down the solution so I can pass the word along. I didnt care about just throwing parts at it because I planned to replace a lot of things on the car anyway because it sat for years before I bought it and lots of things needed attention.First I flushed the radiator... no difference. Car still would run the guage up. Then it really started to run hot but only at low speeds. So that means radiator. Got me a nice new OEM type radiator in there. While it stopped it from really getting hot it wasnt as cool as my stroker GT which was what I wanted. So I figured I'd check the plug...sure enough it was scorched on the middle plug. So I chopped one off at the junkyard and spliced it in. No change... still running around 205-210 on my PMS screen. Not dangerously high, even with the non-cooled blower on the car, but I want it lower because it will run that high night and day. Couple months ago, I replaced the fan motor, still no real difference. I'm down to a couple final solutions. Either the cooling system has a small pressure leak someplace or the CCRM is bad. A friend of mine who owns Speed Concepts (mustang parts website some of you might have heard of) has me set up to get a CCRM from one of his sources and I'll try that and see how it does and let you guys know. But I'm really expecting it to make the biggest difference.</blockquote>