Torque Shift 2nd overdrive
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New User
Joined: Oct 2004
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Torque Shift 2nd overdrive
I have recently bought a 05' 4x4 F550 w/4.88 rears and I am looking to see if there is a 2nd overdrive or 2 speed upgrades to bring the revs down on the interstates. Any info or help would be great.
Postmaster
Joined: Dec 2002
Posts: 3,959
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From: USA
Posting Guru
Joined: Mar 2002
Posts: 1,942
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From: Willamette Valley, Oregon
Make sure and check with your dealer before installing. Many after market parts will void your warranty. There was a Ford Special Service message on this. I know that many after market dealers say that it wont void your factory warranty, but remember that they dont work for Ford and CANNOT speak for Ford.
Posting Guru
Joined: Jun 1999
Posts: 1,172
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From: SW Missouri
why not swap to 4:30s? that is a factory available ratio in the 450, it would be like 4:10s in a pickup.
[edit] nevermind, I see the 4x4 part...
good luck, I hear good things about gear vendor stuff.
[edit] nevermind, I see the 4x4 part...
good luck, I hear good things about gear vendor stuff.
