I'm having the same problem with my buddies car. (freds83 on here) We just replaced the radiator since his old one blew. We installed new t-stat and flushed the block. Its running near the top of the guage when you run it hard, and just tooling around town its around 3/4. Strange thing is, when we got home last night after driving with the gauge at 3/4 we popped off the coolant line that runs to the cold start housing and stuck a thremometer down into the head, and the coolant was running at 200 comming out of the head.... That doesn't seem too hot to me. The T-stat is supposed to open at 188 degrees (F over here) and you figure the water will be hotter comming out of the head. I didn't think 200 was out of the question. We are thinking a fualty temp sensor, so we are going to install a real temp gauge and watch it.
Jason
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