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Old 08-12-2011, 09:37 AM   #425 (permalink)
wstar
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Well the K070776 is what I used because I have a mixed pulley set (NST's OD alternator + my old Stillen UD crank that I had already installed ages ago). It's the same one you use with just Stillen's UD, and was still in range.

NST seems to recommend K070786, which is a very slightly longer belt (and their UD pulley is a little bit bigger, so that makes sense).

Check the belt tensioner's marks after install and you'll know if everything's kosher on belt tension (service manual page EM-13).
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