Quote:
Originally Posted by Kenth
3 different cases, one 2.56-2.73, one 2.93-3.23 and one 3.36-4.33.
Also 3 different styles, one 1964-65 6 bolts holding case halves, one 1966-69 8 bolts holding case halves and one 1970-72 8 bolts holding halves and left-handed bolts holding ring gear.
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This^^^^^. Don't know why people keep saying that the gears are interchangeable between different series carriers.
Most replacement gears are 3.55 and steeper.....I haven't run a gear that steep in over 30 years and never will, because my cars are used on the street. Understand the OP wanting to drop his cruise rpms..... a 3.23 is just about perfect as a compromise gear between performance and touring with no overdrive.