Gear ratios
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4th Gear
Joined: Apr 2025
Posts: 4
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Gear ratios
So I had to put a new rear end in my truck and I found a good deal on a 3:31 gear ratio and installed it my front differential is a 3:55 I’ve had to use 4x4 once or twice and haven’t had any problems I’m just curious if there is any chance of damage from using 4x4 with mismatch gears
Laughing Gas
Joined: Sep 2020
Posts: 875
Likes: 158
I would definitely not run on high traction situations.
But in all realistically worldy ****. 3.3 and 3.5 are very close to the same. I think ford used to run a faster front gear a few hundred years ago. But then trucks werent doing 90 down the freeway with the driver texting. Things are very different now.
But in all realistically worldy ****. 3.3 and 3.5 are very close to the same. I think ford used to run a faster front gear a few hundred years ago. But then trucks werent doing 90 down the freeway with the driver texting. Things are very different now.
Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 728
From: Calgary Canada
If you use 4x4 in snow, mud and ice, that's close enough. Don't use it on clean dry roads, or for anything other than getting going and you are fine.
Even on slippery roads, I wouldn't want to drive in 4hi down the road, because you'll have a mismatch in "push" and it could handle a bit weird.
Even on slippery roads, I wouldn't want to drive in 4hi down the road, because you'll have a mismatch in "push" and it could handle a bit weird.
Cargo Master
Joined: Sep 2005
Posts: 2,976
Likes: 911
From: Montana
I would definitely not run on high traction situations.
But in all realistically worldy ****. 3.3 and 3.5 are very close to the same. I think ford used to run a faster front gear a few hundred years ago. But then trucks werent doing 90 down the freeway with the driver texting. Things are very different now.
But in all realistically worldy ****. 3.3 and 3.5 are very close to the same. I think ford used to run a faster front gear a few hundred years ago. But then trucks werent doing 90 down the freeway with the driver texting. Things are very different now.
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