|
Cooltime Jan 10th, 05, 12:38 AM i have a 69 chevelle 12 bolt posi, i would like to change my gear set to a 3.73 but before i order parts for it, how do i tell what series it is and what is and open rear end. thanks for any help Ron , 70 chevelle under construction Adman Jan 10th, 05, 2:03 AM open ear end = non posi Junkyard Dawg Jan 10th, 05, 2:32 AM 3.08 to 3.73 is a 3 series carrier big gear head Jan 10th, 05, 8:07 PM What gear ratio is in it now? Cooltime Jan 10th, 05, 9:57 PM the ratio in it now is a 3.31 posi big gear head Jan 11th, 05, 7:29 PM The 3.31 will be on a 3 series posi. You can install the 3.73 gears on it. Check the casting number on the posi case. It will be next to the bearing on the end opposite of the ring gear. The number should be EDB30140. Cooltime Jan 12th, 05, 1:09 AM thanks big gear head, i will check the number tomorrow and post what i have found | ||