I hope my first questions on this forum are worthy. I did explore existing threads before asking my own questions. They were very helpful, but I did not find all of the specific information that I am currently looking for. I am planning on swapping the rear end gear out of my stock rear-end 89 LX 5-speed hatchback. I have not yet decided between 3.55 or 3.73.

When I do decide, should I buy an OEM Ford gear or will something like...

Gear swap questions