Quote:
Originally Posted by jdean
I've had both 8.8 solid and IRS. There is zero difference internally.
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The axle gears are different, but you won't be changing those. You are supposed to you a case spreader when remove/install the carrier. I have done thousands of these over the years without one when I worked for Ford. Buy a good quality gear set & do it right the first time. I have not had good results from the stuff from Richmond Gear (make noise). Get a factory Ford or Ford Racing set.