87 - 89 Rearend Swap
I found an 87 truck rearend with 4:10 posi that i want to try and replace my 3:08 with.
Would an 87 rearend be a direct swap to an 89? Both trucks are 1/2 ton 5 lug.
If so how do you correct the speedo on an 89 700r4. To my knowledge it is electronic without the old style speedo gears.
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