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Message: <blockquote data-quote="Zcat7" data-source="post: 500706" data-attributes="member: 14023"><p>OK so the flaps are in place. Its a pretty hot day here so I thought it would be good test conditions. After refitting the engine I ran her up and just watched the stat to see if I could spot the bellows opening. This is quite hard to do as your eyes start to play tricks on you and the process is quite slow! Actually what I noticed more than anything was the draught start to blow from the lower sled tins. I was quite surprised at how long it took for the stat to open at all, which just goes to show that even on a warm day like today the bus would have been over-cooling without the flaps! However with that said, the only indication I have now with regards to the engine temperature is the oil temp gauge. Back in January, on the longest run I managed, this went up to about 130 (it starts at 120...) today it rose to 180 after a touch of brisk driving (accelerating up hills) and cruising at about 50. Is this too hot? How can I check if the flaps are opening fully and/or the stat is expanding enough?</p></blockquote><p></p>