Well I think the overheating problem is solved. I took the car out for a drive today and the temp stayed down where it always has previously. Maybe even a little lower due to the fact that it is only about 25* here today.--Wish I could point to one thing as the source of the problem however I changed two variables at the same time. I put the original 180* stat back in and I drilled an 1/8" hole in it to help with a possible air lock. I think the new 160* stat was the problem. As I noted before the opening was only 3/4" in dia. The original 180* stat has a 1" dia. opening. If you do the math that comes out to .785 sq. in' for the 1" dia. opening and .441 sq. in. for the 3/4" opening. So almost twice as large on the 180* stat.I have had the coolant drained from that engine countless times over the 9 years I've had it and I've never experienced an airlock before so I'm going with the new thermostat as the source of the problem. Something new did crop up today while I was driving though. My heater fan started squealing. But since my heater core is blocked off at least I can shut it off. And maybe warmer weather will cure it anyway.I also took Jim's advice and double checked the timing it is @ 13* - 15* at idle and @ 32* all in.Paul L.
On Thursday, December 11, 2014 9:05:38 PM UTC-6, Paul L. http://1962to1965mopar.ornocar.org/ml-lennemann63.html wrote:I spent the last two days dropping my 440 back into the Sport Fury. It has been sitting for the last 14 months due to a detonation problem and a broken piston. The long time lapse was due to a machinist who had it for more than eight months without doing any work on it. So I finally just went and picked it up. Rich K. and Dodger recommended a machinist who is a Mopar guy, but he is also busy.The top land broke off of one piston and upon inspection discovered that, that had produced a big dent in the cylinder wall, which could result in a crack. So it was recommended to sleeve that cylinder, which then means the others have to be bored. As it was explained to me the cylinders adjacent to the sleeved one get distorted in the process so they need to be bored to bring them back to round so all the others need to be bored as well.But at last it is ready. As luck would have it the weather is cooperating and it hasn't been too cold in my unheated garage. So if everything goes to plan I should be able to fire it up tomorrow. And the weatherman is forecasting temps in the 50's for the next couple days so I might even be able to go for a bit of a cruise. Wish me luck.Paul L.
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