Not a Dana 60 or 70. Ford 10.25 - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 07-08-2009, 02:25 PM Thread Starter
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Not a Dana 60 or 70. Ford 10.25

Found some 3.08 rear gears I am going to change the 4.10 out with 3.08. Wow 55 mph in 5th with 30.5 in tires. Engine will be cruising at 1450-1500 rpm. At 55 now i am running 2000.

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post #2 of 2 Old 07-08-2009, 08:59 PM
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That'll be a nice mod! The 2WD I parted out had 4.10's, it was BRUTAL on the highway, I couldn't pass a tractor trailer. My OBS has 3.55's, It's not bad, but eats the fuel when it's revving high. With the 3.08's, you may actually be able to use all 5 speeds of the transmission.


1996 F250 SC/SB 4X4 XLT
1997 F250 RC/SB 2WD project
2008 F350 CC/LB 4X4 DRW Lariat, 3" cow catcher mod
2008 Ranger SC FX4
Originally Posted by weareweird69 View Post
If your posting pictures bill, everyone dim their screens, that CAT YELLOW is bright
Originally Posted by Fordman247365 View Post
Is there anything you DONT take apart and **** with?
Originally Posted by JJFLASH View Post
I still say that those Dodge mirrors have as much business on a OBS Ford as yoga pants have on a fat .02
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