Community Q&A Question: 3.73 rear gears

Asking About: Mustang Ford Racing 3.73 Gears Kit for 8.8" Rear End (86-09)


3.73 rear gears

I have a 88 gt with aod i have the b&m shifter not that it should make a difference what shifter i have i was wondering if i put this 3.73 rear gear kit in my car what do i need to do to make the speedo read right
from prairie grove |
0 0

Assuming your tire size is relatively close to stock, you will need LRS-17271F-K to correct the speedo. If you are running something larger, click the link below and input your info, and it will refer you to the correct gear choice.
from Hewitt |
0 0 Staff Member Post!

Normally a 21 tooth gear works with 3.73 gears. I would recommend checking out the gear calculator on LRS's website.
from Carriere |
0 0

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