rear end fluid - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 11 (permalink) Old 07-10-2009, 02:03 PM Thread Starter
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rear end fluid

What is the best fluid to put in a f350 that sees alot of towing and miles?
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post #2 of 11 (permalink) Old 07-12-2009, 05:54 PM
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Re: rear end fluid

Quote:
Originally Posted by j350_05 View Post
What is the best fluid to put in a f350 that sees alot of towing and miles?
Mobil 1, 85-140... true synthetic oil. but a little bit on the $$ side..

2002 F350 extended cab XLT, 4x4 auto,194K mi @ 10/25/13, ELF7405, DP F5, ultra light gauges, all kinds of "improvements" Yukon Grizzly locker 6K helper springs, x code fronts. 2 Y2K jetta Tdi. RC2 tuned
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post #3 of 11 (permalink) Old 07-13-2009, 03:29 AM
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Re: rear end fluid

Bigjake0524 and I split a 5Gal. bucket of Schaffer's 80/140 synthetic
cost was around a 100.00

E '99 F-350 CC LB, ZF6, IDP -T4i Mount, Comp. Fuel System, , Reg. Return, Comp Valve springs, ARP's, DI P- Rods, Adrenaline HPOP, Isspro's, Detroit Tru Trac

238/200
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post #4 of 11 (permalink) Old 07-15-2009, 04:46 AM
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Re: rear end fluid

Me too...... Schaeffer's #167 75W-140

http://www.schaefferoil.com/datapdf/167.pdf

2003 F250, Wildman tunes, Faubion trns, Swamps 175/146 SS,van turbo/WW, DI Intercooler, oilguard bypass, intank & pre-pump, reg return, Firestone air bags, Bilsteins, 350 HP/692 TQ
2000 Excursion- Pwrd by: T Wildman 6 pos chip, CT Performance Suspension, Riffraff Diesel Performance, J&M Tranny, 4" MBRP, 6637 filter, intank/prepump mods
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post #5 of 11 (permalink) Old 09-12-2009, 10:18 AM
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Re: rear end fluid

Has anyone used Valvoline 75w140 full syn?

01' F250 PSD CC 4x4, GTP38R, Hi-Flow outlet, DI Bellowed up-pipes, BTS Hpop, DI Regulated return, ITP Annilator, AM 3pod, AFE PG7 Stage II, Silverline 4in T-Back, 6.0 Trans cooler, Dp F5, BTS Trans, True-Trac 3.73, Powerslot Cryo, Rotella ELC, Nitto Terra 285/75/16E on Alcoa wheels
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post #6 of 11 (permalink) Old 09-12-2009, 02:13 PM
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Re: rear end fluid

Anyone used Amsoil severe gear?

2005 F350 CCLB King Ranch, 2.5"' Level, 35" Toyos on 08 20's, EGR Delete, 5" MBRP, Blue Spring, 6.4 Banjos, Rotella ELC
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post #7 of 11 (permalink) Old 09-12-2009, 09:12 PM
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Re: rear end fluid

Definitely not a high torque application, but I used Valvoline full synthetic in my old Toyota Tercel 4wd wagon. I abused the hell out of that car, and it seemed to work great for the tranny and diffs.
Though, 74ft/lb's only relates so much to a Powerstroke... lol

Family Rides-
99.5 F250 PSD SC 4x4 SD: BTS, SS 4" Exh, 6637, 6-pos chip, 4" lift, Reg. Return, FFD 160CC Single's, GTP38R, Adrenaline, Fuel Bowl Delete- 410HP/828TQ Wheel

02 Excursion 4x4 PSD: 4" DP-back w/ Aero-Turbine, Larry's Black Box, BTS
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post #8 of 11 (permalink) Old 09-12-2009, 10:03 PM
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Re: rear end fluid

i have used both the amsoil and the shaeffers. There both great just the shaeffers is alot less money

97 F250SC 4X4 4 LINKED ON AIR <- FOR SALE!!!!!!

00 F350CC 4x4 I NEED A FLATBED FOR IT!!!!! LET ME KNOW IF YALL KNOW ANYBODY THAT HAS ONE




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post #9 of 11 (permalink) Old 09-14-2009, 03:39 AM
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Re: rear end fluid

I found red line local. Just not sure what weight to use, 75w140 or 80w140?

01' F250 PSD CC 4x4, GTP38R, Hi-Flow outlet, DI Bellowed up-pipes, BTS Hpop, DI Regulated return, ITP Annilator, AM 3pod, AFE PG7 Stage II, Silverline 4in T-Back, 6.0 Trans cooler, Dp F5, BTS Trans, True-Trac 3.73, Powerslot Cryo, Rotella ELC, Nitto Terra 285/75/16E on Alcoa wheels
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post #10 of 11 (permalink) Old 09-14-2009, 09:12 AM
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Re: rear end fluid

Quote:
Originally Posted by 99coalroller View Post
Anyone used Amsoil severe gear?
I use all AMSIOL fluids,no complaints or worries.

03 lariat cc,4x4 7.3,DP-F5,36''MT,8"lift w/trac.bars,4"Silverline ss.exh,AFE II,Optimas,ATS housing,WW,Turbomaster,6.0 IC & tranny cooler,BTS,ISSPRO gauges,HPX,ITP RR,BRV+,Powerslots,WARN prem-hubs,coolant filter,ccv mod,08 mirrors,ARP's,mod.fuel & inj's.,Crower rods,AIH delete,AMSOIL fluids. ~waitn on the 38R~
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