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				Underdrive pulley interference
			 
 
			I tried to install an under drive pulley on my 97 2.5 and found that part of the casting was in the way.  Looks like a protruding nipple near the pulley that the factory pulley fits over.  Potentially housing a hall sensor to read the holes in the pulley.  Can I just grind this down?  It's hollow.  Anyone run into this? 
Edit.  Here's what I'm dealing with
  
				__________________1997 Boxster 4.2L Audi V8 Bi-Turbo
 2003 911 C2
 NASA HPDE Instructor
 
				 Last edited by truegearhead; 03-07-2017 at 04:44 AM.
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