Current Classifieds

1970-1973 Gas Tank/Blue Dash
Date: 02/07/2019 11:57 pm
Intake, Head, and valve cover gasket sets

Date: 12/10/2017 01:14 pm
Instrument Panel with Tach wanted
Date: 05/15/2022 11:36 am
1971 Pinto instrument cluster clear bezel WTB
Date: 03/16/2017 10:00 pm
Need seals Pinto Wagon
Date: 02/16/2017 05:09 pm
Wanted: Oil Breather F0ZZ6A485A "87-8 from 2.3L Turbo
Date: 08/06/2021 02:23 pm
1979 hatch needed
Date: 05/13/2018 08:52 pm
Pinto Parts for sale
Date: 06/19/2017 02:01 pm
LOOKING for INTERIOR PARTS, MIRRORS & A HOOD LATCH
Date: 04/06/2017 12:13 am
Free 2.0L Valve Cover

Date: 01/03/2023 04:27 pm
1980 Ford AM radio
Date: 12/22/2019 11:57 am
79-80 fenders, hood, rallye wheels, light buckets, etc, C3 trans
Date: 01/04/2017 04:07 am

Author Topic: manual transmission and diferential type of oil to use  (Read 14166 times)

0 Members and 1 Guest are viewing this topic.

Offline 65ShelbyClone

  • Pinto Master
  • *****
  • Posts: 787
  • FeedBack: +139/-0
  • Soylent Green

  • Total Badges: 7
    Badges: (View All)
    Fifth year Anniversary Topic Starter Signature Poll Voter Mobile User Linux User Windows User
Re: manual transmission and diferential type of oil to use
« Reply #30 on: October 02, 2014, 07:52:58 PM »
Anyone out there know what GL-6 is or was. Just saw some lube at Walmart that said it replaced GL-6. Price was the same as GL-5. The bottle did not have a GL # on it.

I believe it was a spec for diffs with a lot of pinion offset. The Olds Toronado comes up a lot in reference.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Offline amc49

  • PCCA VIP
  • Pinto Master
  • ***
  • Posts: 1256
  • FeedBack: +242/-1
  • Another Pinto Driver

  • Total Badges: 4
    Badges: (View All)
    Topic Starter Poll Voter Windows User 1000 Posts
Re: manual transmission and diferential type of oil to use
« Reply #31 on: October 02, 2014, 09:19:14 PM »
Main difference in -4 and -5 spec is that -5 has the friction modifiers already in it for p-trac clutches or cones, the -4 does not and you have to use the p-trac additive (graphite or moly based) for your brand of differential to stop snapping noises at cornering. You can run either one in open diffs.

Offline 65ShelbyClone

  • Pinto Master
  • *****
  • Posts: 787
  • FeedBack: +139/-0
  • Soylent Green

  • Total Badges: 7
    Badges: (View All)
    Fifth year Anniversary Topic Starter Signature Poll Voter Mobile User Linux User Windows User
Re: manual transmission and diferential type of oil to use
« Reply #32 on: October 03, 2014, 02:17:07 AM »
I've never heard that before.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Offline amc49

  • PCCA VIP
  • Pinto Master
  • ***
  • Posts: 1256
  • FeedBack: +242/-1
  • Another Pinto Driver

  • Total Badges: 4
    Badges: (View All)
    Topic Starter Poll Voter Windows User 1000 Posts
Re: manual transmission and diferential type of oil to use
« Reply #33 on: October 03, 2014, 05:18:06 PM »
When at parts store when they bought -4 and came back complaining about p-trac snapping, change to -5 and problem gone. I did it several times with different customers and spoke to the lube rep about it, he verified it. We carried the separate additive as well and sold it if they wanted a -4 lube. Manager (a woman) first clued me into it, not that I didn't believe her but I like more confirrnation. It seemed to be true. I had never heard it before either.

After some rooting around it may be that GL-4 had some of the additive but GL-5 has even more. Another reason not to run it in MTX, the synchros will try to slip more and not wanted there.

Offline dick1172762

  • Vintage Pinto Racer
  • PCCA Management Board
  • Pinto Sr. Master
  • ******
  • Posts: 2623
  • FeedBack: +362/-0
  • Gender: Male
  • I'm a llama!

  • Total Badges: 7
    Badges: (View All)
    Topic Starter Signature Poll Voter Windows User 1000 Posts Tenth year Anniversary Fifth year Anniversary
Re: manual transmission and diferential type of oil to use
« Reply #34 on: October 18, 2014, 06:03:26 PM »
Summit has Brad Penn GL-4 in stock for about $8.00 a quart. This is the old Kendal oil co with a new name.
Its better to be a has-been, than a never was.

Offline Crazy Lacy

  • Pinto Member
  • **
  • Posts: 64
  • FeedBack: +4/-0
  • Gender: Male
  • Captain America Pinto

  • Total Badges: 2
    Badges: (View All)
    Topic Starter Signature
Re: manual transmission and diferential type of oil to use
« Reply #35 on: September 23, 2017, 01:47:52 PM »
GL-5 works fine in a rear end all day long.

Is GL-5 OK for Pintos??? My repair books say to use 90w API GL5
Join my - Pinto Ford USA - on Face Book.

William "Crazy Lacy" Furmage
Original Vans BMX Freestyle Pioneer 1982

Offline Wittsend

  • Pinto Master
  • *****
  • Posts: 2496
  • FeedBack: +241/-0

  • Total Badges: 8
    Badges: (View All)
    Tenth year Anniversary Mobile User Topic Starter Poll Voter 1000 Posts Linux User Windows User Fifth year Anniversary
Re: manual transmission and diferential type of oil to use
« Reply #36 on: September 23, 2017, 09:28:09 PM »
I'm inclined to say, "No" in the transmission. Where as the GL-5 meets or succeeds the lubrication aspects of GL-4..., it has aspects to it's formula that eats the brass in the transmission. You can use it in the differential (I'm told) because it lacks the brass components. Read the link below. For a quick reference go to page 8 "summary."

http://www.widman.biz/uploads/Transaxle_oil.pdf

Offline dick1172762

  • Vintage Pinto Racer
  • PCCA Management Board
  • Pinto Sr. Master
  • ******
  • Posts: 2623
  • FeedBack: +362/-0
  • Gender: Male
  • I'm a llama!

  • Total Badges: 7
    Badges: (View All)
    Topic Starter Signature Poll Voter Windows User 1000 Posts Tenth year Anniversary Fifth year Anniversary
Re: manual transmission and diferential type of oil to use
« Reply #37 on: September 24, 2017, 08:51:41 AM »
VERY good article Wittsend! I really think Red Line MTL is the best tranie / rear end oil there is. Hi $$ but you only need to use it once for a long time. Makes a Pinto tranie shift like it has hot butter inside. Good stuff!
Its better to be a has-been, than a never was.