This is topic difference in U/D pulleys and Power Pulleys? in forum Tech Talk at Northern California Ford Owners  .


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Posted by 98StangPower (Member # 518) on :
 
I currently have March U/D pulleys on my 98 GT, what is the difference between U/D and Power pulleys, power wise?
 
Posted by st5150 (Member # 51) on :
 
As long as the diameter of the pulleys are the same, the only difference is the finish. For example, it should come as no surprise that MAC pullies are known to dull out and rust after a while. I have close to 100,000 miles on my Auto Specialty pullies and the finish still looks good.
 
Posted by J's KING Cobra (Member # 2011) on :
 
quote:
Originally posted by st5150:
As long as the diameter of the pulleys are the same, the only difference is the finish. For example, it should come as no surprise that MAC pullies are known to dull out and rust after a while. I have close to 100,000 miles on my Auto Specialty pullies and the finish still looks good.
um... actually I HAD March U/D pulleys on my cobra, they still NEW, no joke and they have been on the car for about 4 years. ill post a pic of them later. [Big Grin] [Big Grin]
 
Posted by DropTopFox (Member # 1689) on :
 
No difference, just different companies calling them by a different name. [patriot]
 




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