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Re: 454 + TH400 + 4.11 POSI = no freeway
Put a 3.07 rear end and be done with it. I just yanked the 3.73 out of my 68 and swapped in a 3.07 rear, drives like a dream now on the freeway. You don't need a posi for anything other than to say "I've got a posi!"
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed.
1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck.
RIP ElJay
RIP 67ChevyRedneck
RIP Grumpy Old Man
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