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@Jw89
@lynx just taken it out for another test run. Such a nice car to drive! Definitely glad we are persevering with it. Took our local big bad hill in its stride, only overheating slightly when a month ago it would have been off the scale. However I checked as soon as I got back and the lower rad pipe is cold whereas the top is hot hot. I'm confused as I thought coolant want thru bottom into rad then thru top. So how can top be hot if cold isn't? Is that a sign it is still blocked up?