Thanks for the input , I have a install kit with all the parts , just never done a swap with used gears before and wasnt sure where they had been previously set up with the shims from the donor (ranger).I know it will be little time consuming but will check with the shims that were in the Ranger and readjust things as needed. Thanks agian for the helpAlso, you say you are using new bearings. A new crush sleeve for the pinion gear is needed too. They sell gear swap kits that include bearings, shims and crush sleeve. That’s probably the best way to go.
I have the diff out of the ranger but its 31 spline and a torsen type lsd instead of trac loc . I have put 410 in a mustang carrier before without any problems , except 1 time I ran into a set that I needed different cross pin that had a flat spot to clear the ring gear when installing.…and on the 8.8 Ford differential, I believe all ratios are interchangeable on the diff cases so the 4.10 ranger gears should work on the mustang carrier.
I could be wrong but if anyone can confirm either way I would appreciate it.
Thanks for reply, guess that was what I was getting at when I asked about reusing the original shims from other rear was about the established pattern on the gears , hopefully they wont be to noisyOf the dozens and dozens of 8.8 gear swaps I have done, I have never ran into the carrier being different for different gears. The thinner the ring gear, the fatter the pinion and vice versa.
For the OP, no matter how "correct" you set up the used 4.10's, they are going to make noise. It is almost impossible to get the same backlash, preload and pattern that the 4.10's had in a different housing.
I agree that some gear swaps in other vehicles have higher and lower series diff cases. However, I just confirmed with a local long time Ford guy that all 8.8 cases have the same dimensions. He did say that if you have a posi and you go above 4.30, you need an off set pinion shaft to make clearance for the pinion gear. But the cases are all the same.That's the only reason they make 2 cases for an 88 et al.
That rotunda set is expensive. Just hog out the old pinion bearings to use for setup and use marking compound. On final assembly be advised the crush sleeve takes around 400 ft pounds to crush. You'll also need an inch pound torque wrench. Not a super hard job but without the rotunda tool it's time consuming.All you need is the pinion depth gauge to set them up correctly so they will not howl
You get the depth set correct first then set the backlash and they will not howl
Unless they are crappy Yukon gears et al. that have a disclaimer for noise
The above post must not have done a very much different gear change (all those times) to require the different case
That's the only reason they make 2 cases for an 88 et al.
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