10-05-2021, 07:13 PM

Scott Stoneburg Scott Stoneburg is offline

Ultimate Warrior

Join Date: Sep 2007

Posts: 2,319

5 or 6 speed swap ?

On a 1967 GTO. We swapped the rear gear from a 4.11 gear to a 3.23. Because the owner didnt like how many RPMs it would turn to cruise The owner still is looking to make it smoother at highway speed. Now @ 60 mph its turning 2800. He is looking to be able to easily cruise at 75 to 80, and really wants more low end power. I thought going back to the 4.11 gear and a 6 speed. (Tremec Magnum 6 speed) or should he just stay with the 3.23 and go 5 speed? Any thought or recommendation from guys who have made the swap to a 5 or 6 speed?

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