Rear end help. - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 8 (permalink) Old 04-29-2011, 01:37 AM Thread Starter
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Rear end help.

Ok I have a 1997 PSD 5 speed. I'm looking to do something about my rear end. The T-lock or whatever style locker that's in it isn't functioning. I'm assuming its the worn out clutch packs? Anyways I really want to get rid of these 4.10s waaaay too much gear for me. I would like to have a 5 speed not a 4 speed. What size gears do you guys recommend? I don't ever tow more thank 6k pounds. Ideally I would like to tach about 2k at 75 if that's possible. I have an uncle who ran a very reputable shop for 20+ years and he offered to help me rebuild it for cheap. Should I get it rebuilt or should i look for something used and just swap it out? Are there any rear ends i could swap in that are better, maybe a super duty rear end or something? What is a good place to buy rebuild kits/ring and pinion sets from? What brand ring/pinion should i go with? Any opinions are much appreciated thanks
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post #2 of 8 (permalink) Old 04-29-2011, 01:40 AM
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Re: Rear end help.

just rebuild it, super duties are really no different than the bolt pattern. go with yukon or richmond gears. yukon are better. there are quite a few places that sell yukon. what size tires are you running?

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #3 of 8 (permalink) Old 04-29-2011, 01:58 AM Thread Starter
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Re: Rear end help.

Thanks yeah i figured rebuilding it was the way to go, and i know from rebuilding the rear end in my mustang ring and pinion sets are not something you want to cheap out on. Im running stock tires i believe they are 235/85/16s. I might want to go with bigger tires eventually though but nothing with a ridiculously larger circumference.
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post #4 of 8 (permalink) Old 04-29-2011, 02:00 AM
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Re: Rear end help.

well, if you intend on like a 285 (33) then i suggest 3.73s if you tow 6k. 3.55s will be too shallow imho

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #5 of 8 (permalink) Old 04-29-2011, 02:01 AM Thread Starter
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Re: Rear end help.

Ford 10.25 10-1/4 3.55 Ring & Pinion Gear Set OEM F250 F350 [F10.25-355L-OE] - $272.00 : JTs Parts & Accessories, Justdifferentials.com

does this look like a decent deal to you guys? should i use a 10.25 set or a 10.5 set?
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post #6 of 8 (permalink) Old 04-29-2011, 02:02 AM Thread Starter
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Re: Rear end help.

Quote:
Originally Posted by swamp_ratt View Post
well, if you intend on like a 285 (33) then i suggest 3.73s if you tow 6k. 3.55s will be too shallow imho
You really think so? I towed 2750lbs of steel the other day and could still start off in 3rd gear.
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post #7 of 8 (permalink) Old 04-29-2011, 02:08 AM
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Re: Rear end help.

i have 4.10s on my truck and they run good with 245s, yeah, my highway rpm is higher but it runs good with em. i start out in 2nd gear all the time. i had 37s on for a while and they were rather sluggish. i had to use first gear.

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #8 of 8 (permalink) Old 04-29-2011, 02:15 AM Thread Starter
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Re: Rear end help.

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Originally Posted by swamp_ratt View Post
i have 4.10s on my truck and they run good with 245s, yeah, my highway rpm is higher but it runs good with em. i start out in 2nd gear all the time. i had 37s on for a while and they were rather sluggish. i had to use first gear.
No ####? I cant see me ever using 1st with these gears. I went to hop out of the truck the other day when i was parked in the yard. i forgot to take it out of 2nd gear before letting the clutch out and the wheels just broke loose and started spinning. Ebrake was matted too . The speed limit on the I-state here is 70 so everyone usually runs 75-80 and if im running at about 75 i can almost watch my gas gauge go down its pretty bad and my GF is always complaining about how loud the truck is. Im pretty sure im gonna go with 3.55s
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