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View Full Version : March Performance 2.870 Supercharger pulley



BlownV6
03-01-2007, 12:36 AM
Anyone running it? What belt are you using? Looks like a deal from summit.

http://store.summitracing.com/partdetail.asp?autofilter=1&part=MCH%2D1430&N=700+4294840509+4294908331+4294907842+115&autoview=sku

Scott Long
03-01-2007, 02:55 PM
I believe mine is a 2.85" pulley (10%). I run the stock size belt but I have changed all the tensioner to steel pullies instead of plastic. They are all the same size and the stock plastic blower tensioner pulley was a little smaller. I don't notice any belt slip.

I got the pullies at Auto Zone they were about $15-20 each but I don't remember the part number anymore since it was about 4 years ago when I did it. Both of my cars have them w/ 10% overdrive.