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Looking for your opinions. Picked up the 1990 240 wagon in January for a great price, it needs a steering rack which I have just ordered. I drove it home in January without issue Because of a crazy work schedule and cold weather in STL, I have not done too much to the car, and it has pretty much sat since January with an occasional start and 2-3 minutes running. So, when I do start it, it starts with a bone dry tail pipe with a wisp of blue smoke which goes away quickly when slightly revved. Not a big deal in my opinion. It starts with a rough idle that goes away after a moderate revving (must clean TB). But after idling a while, it spits rusty water out the pipe and smokes a bit. Temp gauge goes about 3/4 up then settled back at 1/2, drove the whole 45 minutes home and temp was dead steady (jumpered temp guage per PO) This week I took it around the block on a 50 degree day and when I got back, it was chugging white smoke pretty consistently, no water coming out. I shut it off, came back in about 45 minutes and started it up. no smoke, dry tail pipe. I pulled the plugs, all sooty (none 'steam cleaned' looking) can't see any loss of coolant or bubbles in the overflow tank. No contamination in coolant or oil, and I will try and do a compression check this weekend. So, Could the exhaust have this much moisture trapped from the occasional start since January, and/or does the poor initial running mean that much moisture is being produced and it will go away after a brisk full temp drive? Anything else I should check?
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