08-27-2023, 04:34 PM
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CC Member
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Join Date: Jul 2022
Cobra Make, Engine:
Posts: 91
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Quote:
Originally Posted by jhv48
I had the .64 overdrive in my TKO600 and absolutely hated it. 3.54 rear gears. I’ve got a street friendly 550 horse engine that pulls just fine from 1800 rpm in top gear. I found myself rowing back and forth from 5th to 4th during freeway driving. There was such a big jump from the fourth to fifth gear. Almost 1000 rpm.
Swapped out the tranny for one with a .81 fifth gear and couldn’t be happier. Now I actually have a usable fifth gear. I’m turning about 2500 rpm at freeway speeds and can accelerate smoothly if needed without dropping a gear.
I highly recommend the .81 fifth gear. Based on 35,000 miles of all kinds of conditions.
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Great info, I'm now leaning back towards the .81 OD
Even Prestige Motors spec'd the same OD (.81), its just the the guy at MDL through me off when he said the 0.68 would be better for mostly street driving.
I agree too large of a jump between 4th and 5th!
Thanks loads |
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