Quote:
Originally Posted by Casey@RWE
I heard there were a bunch of minis with water pump problems. That aside though, the purpose of a timer in a turbo car was to keep the engine running in order to keep oil pressure and the turbos fed with fresh oil until they cooled to a temperature that wouldnt leave baked oil in the turbo and eventually cause premature failure. Dont get me wrong, I'm not an advocate saying put a timer in this car. However I do believe that if you're at the track or running a car hard, especially one that is equipped with a turbo(or 2 in this case), its a good practice to leave it running for a few minutes after driving before turning it off. My comment was brought about by what seems like a lack of understanding on the entire subject and the general purpose of a turbo timer. If you get turbos hot, then cut the power, it leads to coking. If you get the turbos hot, then cut the oil feed(motor off) but leave an auxiliary water pump feeding the turbos, you remove a possibly dangerous situation like you mentioned with the mini's but you dont do anything to eliminate coking.
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I agree completely with what you say. I never said that the water pump was an adequate solution. I think it is good practice to leave the engine running and idling for a few minutes if you have been driving hard eg on the track. If you are just driving to work or the shops, then probably not as necessary.
As for turbo timer? No way I would do it. Imaging how it would mess with the complicated electronics / ecu in this car. IMHO it is not necessary, far better to be patient and simply just let the car run for a few minutes when necessary.