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>>>... I purchased a NEW RADIATOR CORE this web site. The gaskets where two small the hole would not line up (I pre soaked the gaskets prior to assembly the worked then). I'm trying to understand what you are saying here. Do you mean that the gaskets were too small and you soaked them, and then "worked" them? Or that afer you soaked them they were the correct size? That's a scary thought. If a gasket isn't the correct size dry, I would look around until I found the proper one or make one that would fit. >>>...Yesterday I filled the radiator up with water no leaks all night. But I run the tractor for 5 minutes the water has not even got hot yet and this new core leaks worse then the original one. So you filled it water and there were no leaks, but a day later that are leaks. Doesn't sound like a core problem to me. Have you filled it water, or ethylene glycol coolant? Ethylene Glycol is chemically wetter than straight water, so while that could make a difference, I would look closely to see if you are leaking at the top seam at your gasket line and it is dribbling down the radiator and blowing around. I have used cores from this site and from others such as A&I, and as long as you use the correct gaskets, use some sealant on all faces, epoxy fill any large pits in the tank faces, and drag lap the faces smooth, I have not had a problem. Are you closing the shutters to get the engine wearm? Without a thermostat and on a thermosyphon system, five minutes is not much heating time at all. A car would be barely warmed up at idle in that length of time. If you can work the engine it warm up much faster. >>>Not real happy with the items I purchased from here. I don't think I should have to use Bars Leaks in a new core, what are your thoughts? I don't think you should have to add Barr's leaks to a new core installation either, but not having seem your repair, I can't speak to what is the cause of the leaks. Frank
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