I would highly recommend replacing the pinion bearing when you do a gear swap as it commonly gets damaged getting pressed off the old pinion and onto the new one and will cause you to have to get the whole thing done again.
I just had 4.10s installed in my '00 recently and this is what I got for the install:
- Ford Racing 4.10 gears. $129 from GEFRacing
- Ratech RAT-305SVO (for Ford gears; get -305K for non-Ford gears) install kit - includes pinion and carrier bearings, shims, crush sleeve, pinion seal and nut, ring gear bolts and cover gasket. $89.95 from Summit
- Ford Racing friction Modifier. $3.35 from GEFRacing
- 2 quarts gear oil. Ford recommends 80W90. I used Mobil 1 synthetic 75W90
-The SpeedCal will not work on 99+ autos, so you need an aftermarket chip or to have you computer reflashed.
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Strike down the unroadworthy!
2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more
'94 Rio Red Cobra: All the bolt-ons, 3.73s
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