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Mike C

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  1. Thanks for the reply on my TR6 250 I didn't know anything about the rear main front big bearings the car is running smooth until it gets warm and it seems to lose oil pressure I put a brand new aluminum oil pump in there and until it gets up to running temperature it seems to be fine even drives fine but then loses a little bit of power once it warms up it loses oil pressure even with the new pump in there I don't know what to do then feels like it starts to vibrate from the crank but when it's cold it has pressure and runs good and has power



    1. Mike C

      Mike C

      Have you checked the oil pressure relief valve? It might be jammed from a bit of bearing swarf and bypassing oil before it's supposed to open.

      Did you mention the new aluminum oil pump on the main TR6 forum? I know a lot of the blokes on here have had problems with new pumps and I assume you primed the new pump properly before you started the engine? 

      If there's any doubt drop the sump and have a look at the main, big end and thrust bearings. There's a lot of info on the forum on how to do this. In particular the thrust bearings are a real TR6 weak spot- they get loaded when you depress the clutch- I don't depress the clutch when I start the engine as there's no oil pressure in the thrust bearings.

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