Quote:
Originally Posted by fenton
Its winter now, the batteries cannot give the same juice when it gets cold. The catch 22 with this is although you will get less boost(psi) you will need less because the charge air will be so cold.
Thanks,
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Ok, I understand this, but I'm pulling out of a heated garage in the morning, In cold weather I have been used to getting the benefits of both worlds: cold air, warm batteries.

I'm going to upgrade to the new higher current batteries regardless, but I'm getting the distinct impression that after a couple of years of running time, there just is not the same speed being spun-up by the compressor. I could hear the (high pitched) sound of a turbo spooling at lower speeds before, and it just never gets to that range now. Two years plus, is not bad for beating up a set of lead acid batteries, so I'm not disappointed or concerned, but I am wondering. The car has 360K Km. on it now, but it hasn't shown any signs of burning oil, or getting weaker off of boost.