Re: 69 GMC 12 Bolt
Eaton unit....you did not state the gear, but hear goes....2.73-3.42 (3 series carrier) . 3.73, & slower gears(4.10,4.56, ect), 4 series on the carrier.  crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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