Quote:
Originally posted by HotRoddin
http://www.stewartcomponents.com/htm...t/techtip1.asp
Click the link and read the last sentence of the paragraph under "Pulleys" It sums up my feelings about underdrive pulleys. I know a lot of you will disagree with me, but i've just seen to much research saying the rewards are minimal at best .. Thats just my opinion.
By the way I consider Stewarts opinions on cooling systems and its water pumps to be second to none. 
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I could see with a small alternator and a very efficient water pump, some of what is said makes sence.
However, I have never had any cooling issues (car doesn't run a degree warmer) and no charging issues while driving. I'd also have to say that the "feel" of the power gained is second only to my 3.73's.