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View Full Version : Who has a 10% ESM Jackshaft pulley?



J57ltr
01-13-2004, 11:23 AM
I am trying to find out what the outer diameter of the large pulley is supposed to be.

Thanks

Jeff

BT Motorsports
01-14-2004, 01:38 AM
How close do you need it and what are you using it for?

Paul

J57ltr
01-14-2004, 02:16 AM
Preferably to .001", I would also like to know if the small pulley was reduced as well. I have a chart of all the pulley sizes available for figuring boost.

Thanks

Jeff

Stan W
01-14-2004, 08:43 PM
ESM big end 5.308"
small end 3.885"

Stock small end 3.920" +- .005" (had a hard time getting this measurement with a dial caliper)

Stan W