Quote:
Originally Posted by cmgreen
Am going to go for the xx4 rear diff pulley with the xx4 17t pulley.
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By doing this, the internal ratio will be very tall so be sure to use a mild modified and/or a very small pinion. Check the overall ratio here :
http://www.4wdrc.com/tech_X-5_drive_ratio_chart2.htm
Like Dan, I strongly suggest to use the X-Factory or Lesro diff pulley and a XX-4 17t center pulley. The hold-down roller is a must on astro but I found the second idler useless.