4.10
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Elder User
Joined: Jun 2003
Posts: 505
Likes: 0
From: Castle Rock, Colorado
4.10
Hi folks, Got a ?, I currently have a 1993 F150, it has 3.55 gears now, but I'm looking into getting 4.10 installed. I'm doing this because my towing capacity will increase per my vehicle manual. Where do I start? Thanks...
Junior User
Joined: Sep 2002
Posts: 97
Likes: 1
From: Ruston, LA
4.10
I am not exactly sure what you are asking. But, you need to get the gears (front and rear if you have a 4x4) and install kits. Then find a good gear shop to install them unless you are experienced in doing this. After that, tow away...but don't venture too far off the tow rating.
Hope this helps.
--LR.
Hope this helps.
--LR.
Senior User
Joined: Jun 2003
Posts: 222
Likes: 0
From: Cumming, GA
4.10
I changed my diff from a 3.55 to a 4.10 (or is it 4.11?) and it has more hauling capacity now because of the added torque at the wheels. You'll notice the RPMs will be higher. Generally in O/D 2000rmp translates into 57 mph and without O/D 2000rmp is about 40 mph. The added torque is also nice in rain and such because it helps to add a little traction and a more serious engine brake.
Post Fiend
Joined: Nov 2001
Posts: 14,947
Likes: 6
From: Topsfield, MA
4.10
It doesn't really help the towing capacity, as there are gobs of items that determine that number. It's expensive, 300-350 in parts for the rear, and a good 300ish for the front too. I just did this, I got 4.10 for the rear and 4.09 for the front. I just bought all the parts, but havn't installed them yet. Costs a good amount for installation too.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
4.10
To directly answer your question, take the truck to a reputable shop and tell them what you want. Pay them your money, and rest assured that the job was done right.
If you have to ask how to do it, you're in over your head. It is NOT a simple job.
If you have to ask how to do it, you're in over your head. It is NOT a simple job.
Posting Guru
Joined: Dec 1999
Posts: 1,903
Likes: 2
From: Copley, OH
4.10
Originally posted by MustangGT221
It doesn't really help the towing capacity, as there are gobs of items that determine that number.
It doesn't really help the towing capacity, as there are gobs of items that determine that number.
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Post Fiend
Joined: Nov 2001
Posts: 14,947
Likes: 6
From: Topsfield, MA
4.10
True, but basically my point was that there are too many items that contribute to the tow capacity.
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