Originally Posted by
Blakshukvw
The gears may be the same. The install kits are not great for sure. I couldn’t find definitive info on what brand bearings were used in the kits plus they sell them with the crap shims. Those 2 issues and the word of my ford tech were enough for me. Again though the OEM kit includes several components that are needed anyway for less than $100 more dollars. Including the gt500 pinion bearing.
Heres what else I found on the bearings. Reading through reviews on amazon for timken bearings, a buyer left a review stating that when he received his bearings they were in a timken box but were not marked timken on the bearings themselves. After inquiring to timken that said that they do not make every bearing for all applications but that they use outside suppliers to source them from and rebox them under their label.
The bearing manufacturer was extremely important to me. When I read that, and with the advice from my installer, I decided on nothing but OEM. You’re free to use what you want I’m just offering the advice I was given by a ford tech and what I found in my exhaustive research.
Motive used to make some gear sets for Ford and they were known to howl some. I believe they were 3.90’s and 4.30’s. As far as I’ve researched all gear sets are now made in house.
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