Quote:
Originally Posted by Porsche9
It seems that a lot Boxster owners do the UDP mod and all seems happy with no down sides. Issues I've seen on other cars is that charging becomes a problem and when things get hot (I'm in Phoenix) the cooling and A/C system struggle unless rpms are consistently up. I ask my indie about this mod and he indicated that he would recommend this mod for race cars only. Any thoughts from those that have done this mod.
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I was also worried about cooling, charging, and steering. See this thread below.
http://986forum.com/forums/general-discussions/37563-underdrive-pulley-questions.html#post307968
In my experience on my Boxster street car (before it was converted to a race car), the cooling system worked exactly the same in all conditions including 110F days in the desert. The charging system worked fine and there was no change in power steering feel. This is one of the very few street upgrades that do not seem to have a downside or tradeoff.