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Sae 80 gearbox oil alternatives? #4242671
11/06/16 03:45 AM
11/06/16 03:45 AM
Joined: May 2014
Posts: 444
UK
slybunda Offline OP
slybunda  Offline OP
Joined: May 2014
Posts: 444
UK
My 1995 ford fiesta 1.6 lists sae80 for gearbox oil which seems to be mineral stuff.
Can i use synthetic 75w80 or will it blow up?
My logic is that if its a 80 when hot then it should be fine and thinner than the straight 80 when cold.
But not sure if gearboxs are more sensitive to oil than engines are?


1995 Ford Fiesta 1.6i 16v Si
2000 Toyota Celica 1.8 VVTL-i
2007 Toyota Aygo+ 1.0i
Re: Sae 80 gearbox oil alternatives? [Re: slybunda] #4242686
11/06/16 04:51 AM
11/06/16 04:51 AM
Joined: Feb 2015
Posts: 2,198
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,198
Slovenia EU
I am sure that there will be no problem if you will use any generic 75w90 gl4 oil...

Put your car in oilfinder tool of major oil companies...

I am sure that there will be at least multiple choices for gearbox oil


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Sae 80 gearbox oil alternatives? [Re: slybunda] #4243219
11/06/16 06:09 PM
11/06/16 06:09 PM
Joined: May 2014
Posts: 444
UK
slybunda Offline OP
slybunda  Offline OP
Joined: May 2014
Posts: 444
UK
Why would mineral oil be recommended over synthetic?


1995 Ford Fiesta 1.6i 16v Si
2000 Toyota Celica 1.8 VVTL-i
2007 Toyota Aygo+ 1.0i
Re: Sae 80 gearbox oil alternatives? [Re: slybunda] #4243888
11/07/16 01:20 PM
11/07/16 01:20 PM
Joined: Feb 2015
Posts: 2,198
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,198
Slovenia EU
1995...... smile


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Sae 80 gearbox oil alternatives? [Re: slybunda] #4243970
11/07/16 02:58 PM
11/07/16 02:58 PM
Joined: May 2014
Posts: 444
UK
slybunda Offline OP
slybunda  Offline OP
Joined: May 2014
Posts: 444
UK
Cool i got a reply back from opieoils who recommend 75w80
So lots of options in that


1995 Ford Fiesta 1.6i 16v Si
2000 Toyota Celica 1.8 VVTL-i
2007 Toyota Aygo+ 1.0i
Re: Sae 80 gearbox oil alternatives? [Re: slybunda] #4559473
10/30/17 06:09 PM
10/30/17 06:09 PM
Joined: May 2014
Posts: 444
UK
slybunda Offline OP
slybunda  Offline OP
Joined: May 2014
Posts: 444
UK
Well its been a while but finally ordered the gearbox oil. Iv ordered millers 75w80 synthetic oil. Hopefully it works fine and doesnt kill the gearbox.
Since sae 80 was originally specified for the box which was designed in the late 70s would multi grade 75w80 synthetic have been around since then?


1995 Ford Fiesta 1.6i 16v Si
2000 Toyota Celica 1.8 VVTL-i
2007 Toyota Aygo+ 1.0i

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