Final Drive gears

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Dec 3, 2012 | 06:39 AM

Blackduck59

Thread Starter

Junior User

Joined: Jul 2012

Posts: 90

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From: West Australia

Final Drive gears

Looking for a set of 3:08 gears for a F350.
Any recommendations on manufacturer or any to stay away from?
Looking at Driveline or Superior Axle.
Thanks Steve

Dec 3, 2012 | 08:44 AM

Barkin 40s

Senior User

Joined: Jul 2010

Posts: 188

Likes: 1

From: Perry Florida

stay away from the cheapest on the list. usually a sign of quality. i would go with a midrange price depending on what you use the truck for and how many miles you put on it

Dec 3, 2012 | 10:15 AM

Yaga1973

Elder User - What???

Joined: Dec 2011

Posts: 714

Likes: 1

From: Moore, OK

If possible, I recommend finding a factory or a Ford Racing gear set. You can't beat factory quality when it comes to price.

Dec 3, 2012 | 03:20 PM

1983F1503004x4

Fleet Mechanic

Joined: Jul 2011

Posts: 1,916

Likes: 4

I think the lowest gear sets for 1 tons and 3/4 ton rears is 3.42 or somewhere around that number. Never heard of a 3.08 set for a 3/4 or 1 ton.

Now if you had an 8.8'' or 9'' rear, you'd be able to find them easily.

Dec 3, 2012 | 04:27 PM

joshofalltrades

Postmaster

Joined: Feb 2011

Posts: 3,560

Likes: 1

i remember reading of a 3.08 in the sterling rearend, not in a dana 60 or 70

Dec 3, 2012 | 06:46 PM

mdh1701

Mountain Pass

Joined: Dec 2012

Posts: 178

Likes: 4

From: Quemado, New Mexico

D70-Not going to happen, not enough pinion offset for a gear that numerically low in this axle.
D60-There is a version of this axle used on some 83/4 diesel 250's that ran a 3.07:1 for fuel economy, referred to as a Dana 61. Specs identical to a D60 other than greater pinion offset for the taller gear.
Sterling (10.25/10.5)-Quite a few Super Duty guys with PSD's run 3.08's aftermarket, just look you'll find them.
Hope this helps!

Dec 4, 2012 | 02:10 AM

Blackduck59

Thread Starter

Junior User

Joined: Jul 2012

Posts: 90

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From: West Australia

Thanks for the replies, Should have stated it is a Sterling 10.25 and there are listings for the 3:08, just not sure of any dodgy suppliers. Both the above firms list these ratios, leaning towards Driveline. Have not seen if Yukon do them.
Will be used for towing and highway work, Cummins 5.9 in front so need the gearing for cruising.
Cheers Steve

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Dec 4, 2012 | 04:43 AM

CountryBumkin

Posting Guru

Joined: Apr 2011

Posts: 1,636

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From: Orlando area

Quote:

Originally Posted by Blackduck59

Looking for a set of 3:08 gears for a F350.
Any recommendations on manufacturer or any to stay away from?
Looking at Driveline or Superior Axle.
Thanks Steve

I have Richmond gears in my truck. I had the gears in my truck swapped to 4.56 by a well respected "performance" builder in my area and Richmond was what he recommended/used.They have taken a beating over the past ten years or so with no issues. My truck is about 600HP on the spray.
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