This is topic U/D Pullies--Steel or Aluminum in forum Tech Talk at Northern California Ford Owners .
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Posted by atlanticblue (Member # 591) on
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Pros and cons of either one and which do you prefer, and why? Also a good place to order.
Thanks
Posted by kevin Smith (Member # 679) on
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Steel- heavier but strong and wont break downAluminum- light; but my harmonic balancer is aluminum and the alum. gets eaten away. Now there is oil comming out of it. Because the balancer spins, the oil flies everywhere. It sucks. Now i have to either put the stock one back on or buy a special sleeve to go over the aluminum. Either way, it kind of sucks. I'd go with whatever. Nobody else i know of with the alum. ha had the same problem as me.
Posted by shade-tree (Member # 298) on
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I picked up the aluminum set for the lighter mass of rotation. Steel for sleeper look.
I really doubt that the pound or two difference will matter much in terms of ET though.Never had a problem with the aluminum pulleys. Some pretty hard driving.
Posted by kevin Smith (Member # 679) on
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Exactly bro.
Posted by 91sleeper (Member # 779) on
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aluminum looks better and is lighter.
Posted by atlanticblue (Member # 591) on
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Thanks for the responses. Hope to do this mod soon. 