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  1. #1
    Join Date
    May 2012
    Location
    United States
    Posts
    47

    What gear oil should be used in rear end?

    I tried searching for this one but couldn't find anything on it; what type of gear oil should be used in the rear end of an 85 Supra P-Type? Just want to make sure I get the correct oil.
    1997 Ford Thunderbird V8; MAC Cold Air Intake, Ford Racing Intake Manifold, Flowmaster Exhaust, Tokico Rear Shocks, Moog LCA's, balljoints, tie rods. Future Mods: 70mm Plenum and Throttle Body, Mustang GT MAF, Jet Power Programmer, J-Mod, 3.90 gears.
    1987 Toyota MR2; Bone stock, 5 speed, broken speedometer sub assembly, selling because parts are even harder to find then the Supra.

  2. #2
    Join Date
    Jul 2008
    Location
    Dallas, TX
    Posts
    506
    Here ya go: Type and capacity. Bookmark this site.
    85' P-Type 6m/ 5-speed/ White/ maroon leather

  3. #3
    Join Date
    Mar 2003
    Location
    northern NJ
    Posts
    8,477
    its been a while, but I recall using 90 weight.... BUT the big green book also mentioned using a friction modifier.

    my local Toyota parts mgr knew what I was seeking and sent me to a Ford dealer to buy the additive.

    does it make a difference? i dunno, but i followed the manual directions and knock wood, alls been fine
    Greg
    83P 5-speed Super Red - SOLD
    84P 5-speed Dark Blue - KEEPER http://www.jungle.net/smerusi/greg1.html
    84P 5-speed Black - SOLD
    85P 5-speed Super White - SOLD http://www.celicasupra.com/greg85


  4. #4
    Join Date
    May 2012
    Location
    United States
    Posts
    47
    Thanks everyone. I used Valvoline Full Synthetic (for use with LSD).
    1997 Ford Thunderbird V8; MAC Cold Air Intake, Ford Racing Intake Manifold, Flowmaster Exhaust, Tokico Rear Shocks, Moog LCA's, balljoints, tie rods. Future Mods: 70mm Plenum and Throttle Body, Mustang GT MAF, Jet Power Programmer, J-Mod, 3.90 gears.
    1987 Toyota MR2; Bone stock, 5 speed, broken speedometer sub assembly, selling because parts are even harder to find then the Supra.

  5. #5
    Join Date
    Aug 2009
    Location
    Lake Stevens, Wa.
    Posts
    605
    Exactly what I used. Less than 2,000 miles on the rebuild, but not a single issue thus far.
    1985 Toyota Supra, SDR, P-type. JDM 6MGE engine swap. Whiteline 27MM adjustable front sway bar. 20MM rear wheel spacers. 235/60R14 front and 245/60R14 rear, BFGoodrich Radial T/A's. D/S brake rotors on all 4 corners. 200 amp alternator. Dual Batteries w/ isolator. Intake relocation. 6000K HID Headlights. OBX headers, 2.5" exhaust, no cat, Flowmaster muffler. LED dash light conversion. Custom LED 3rd brake lights.

  6. #6
    Join Date
    Jan 2011
    Location
    Cape Cod
    Posts
    226

    Motorcraft Gear lube

    Quote Originally Posted by ThunderbirdV8 View Post
    I tried searching for this one but couldn't find anything on it; what type of gear oil should be used in the rear end of an 85 Supra P-Type? Just want to make sure I get the correct oil.
    One one site a performance specialist recommended, using the Motor Craft lube and using the Ford additive,, He says it is a great combo and works well with the LSD, I have found like wise results. Oddly even at my Ford dealer the qts of lube were as cheap as 40wt oil I brought that day at Auto Palace.
    Amsoil 75/90 Severe Gear is a great product and they say you don't need the additive for the LSDs.

  7. #7
    Join Date
    Oct 2005
    Location
    Charleston, WV
    Posts
    1,064
    True Amsoil statement above.
    Chadrick
    1982 Supra L-Type (Caged Animal) - 1JZGTE & then some (Build Thread)
    1984 Supra P-type (Daily Driver) - BPU 5MGE (Restoration Thread)
    1987 MR2 (AW11) (Restoration Thread)
    2007 Tundra CrewMax with Mods (Workhorse)

  8. #8
    Join Date
    Jan 2006
    Location
    Back Home
    Posts
    1,098
    Red-Line,or the Royal Purp.
    Bob.Big Boosted Six.Makes more torque than the front line at a Honda dealership!

  9. #9
    Join Date
    Oct 2005
    Location
    Charleston, WV
    Posts
    1,064
    Quote Originally Posted by Talksoup View Post
    Red-Line,or the Royal Purp.
    Bob,

    Please feel free to continue to use your favorites, but please have a look at this. Let me know if the link does not work.

    A Study of Automotive Gear Lubes
    Chadrick
    1982 Supra L-Type (Caged Animal) - 1JZGTE & then some (Build Thread)
    1984 Supra P-type (Daily Driver) - BPU 5MGE (Restoration Thread)
    1987 MR2 (AW11) (Restoration Thread)
    2007 Tundra CrewMax with Mods (Workhorse)

  10. #10
    Join Date
    Jan 2006
    Location
    Back Home
    Posts
    1,098
    I'm sold on the Amsoil.Thanks for the info Chadrick!
    Bob.Big Boosted Six.Makes more torque than the front line at a Honda dealership!

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