correct speed
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Junior Member
Joined: Dec 2004
Posts: 14
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From: oconomowoc, Wisconsin
Car: 83 Trans Am
Engine: 305
Transmission: 700r4
correct speed
im sure this has been talked about, but i need help. i have a 83 trans am with 3.23 open and im installing 3.73 eaton posi. it is an auto. i need what to do so my speedo isnt thrown way off. how far off will it be.
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May 10, 2023 07:19 PM