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yup.
speaking of all this, and i know this is a thread jack, but it's kind of on-topic....
has anyone ever heard of a lightened underdrive pulley shortening an engine's life?
a friend of mine (who's a mechanic) said the lighter pulley can cause vibrations in the engine that aren't there w/ the heavier stock pulley.
it makes sense, but it doesn't....any ideas?
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