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Hmm.
Something maybe be not right with ye'old TD42. I changed the oil before i did a 4500k run up north and back. water temps as mentioned were fine, only because i wasn't towing and the ambient temps were fairly low. But i did another oil change recently and its used maybe a litre of oil in that time which it has done this for quite a few years now. I have noticed it seems to be a bit low on power also, she won't produce power in the higher rev range like its always has done.
Over the last 4 years or so i have tired numerous brands as i know that some engines react differently to different oils. Currently using Penrite HPR Diesel 15/50. Which seems to be the best pick out of the bunch for this engine.
I have booked it in for a compression test and also to adjust the tappets as its never been done since building the engine 10 years ago, circa 230thousand k. Im hoping the tappets are out of adjustment and this is why she get hot quick and low on power, but the oil consumption is concerning. It does seem to breath a bit heavy also for my liking.
I do hope its not the engine, if it tests ok. I think i remove the injector pump and have that tested. I might even do this anyway.
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