986 Forum - The Community for Porsche Boxster & Cayman Owners
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986 Forum - The Community for Porsche Boxster & Cayman Owners (http://986forum.com/forums/index.php)
-   Boxster General Discussions (http://986forum.com/forums/forumdisplay.php?f=5)
-   -   Another vote for under drive pulley (http://986forum.com/forums/showthread.php?t=48420)

rp17 10-13-2013 04:33 PM
Quote:
Originally Posted by Timco (Post 367318)
The boss sticks out far enough to almost touch the back side of the pulley. The belt surface just wraps around it on orig pulley.

The UD pulley will rub into the boss. It's belt surface is dead even with the boss. So I used a sawzall and cut mine off. It would take a while to file down. Cut off flush or slightly proud.

I do not suggest you use a sawzall unless you are skilled with one. I've been using them for many years.

http://i868.photobucket.com/albums/a...pse4e58e4c.jpg
Nice job with the sawzall. Need to do some research on the best way to get the clearance. Thanks for the reply.

Jake Raby 10-13-2013 04:47 PM
I prefer to use a 5/16" piloted end mill with a 3/4" 3 face. Chuck this in a 90 degree drill and insert the pilot into the center hole of the boss, then hit the trigger on the drill and machine the boss away... Looks like a factory mod.


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