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Registered User
Join Date: Mar 2012
Location: In Canada, near Detroit
Posts: 1,549
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The general consensus has been they don't offer much in the way of performance.
I've heard many say the underdrive pulley was the best bang for the buck (by far).
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1986 911 Targa We affirm that the world’s magnificence has been enriched by a new beauty: the beauty of speed. A racing car whose hood is adorned with great pipes, like serpents of explosive breath - a roaring car that seems to ride on grapeshot....
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