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Oil for gearbox and diff. 

 

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 Post subject: Oil for gearbox and diff.
Posted: Thu Jan 05, 2006 9:16 am 
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Got two cars EF and EL that have manual T5 gearboxes and LSD 3.45 diffs.
I was going to put in redline oil but its too expensive. What oil is recommended to put in the gearbox and LSDs?

 

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Posted: Thu Jan 05, 2006 10:54 am 
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for the boxes put normal auto-trans fluid in it. For the LSD's penrite do a lsd oil its bout ($20), dont bother with the hypoid oil, thats the oil that i got told to use with my dif after it got built. ask fras what the name of the oil is i gave him a bottle of it for that lsd he got bout 2 weeks ago.

 

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Posted: Thu Jan 05, 2006 11:11 am 
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HI
i recently had the same question about 5 speed oil...
ford recomend use dexron trans fluid.. also most members here recomend dexron aswell.. but when i talked to gearbox reconditioners they said that i should use 80/90 gear oil..as trans fluid is a thiner oil it will give you a smother gear change but will get to hot under heavy loads and will cause the fluid to burn ..
thats why the v8 t5 uses gear oil instead of auto fluid.
so if you give your gearbox a workout or do towing i recomend using gear oil..
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Posted: Thu Jan 05, 2006 11:16 am 
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When I got my EF XR/Tickford diff (3/45 LSD) I went through all the manufacturers oil books (that I had lieing artound at work) to see what they recomended/said.

*Castrol SAF-XA (part number: 118975 I think) - this is the one I ended up going with!
*Mobil SHC ID
*Penzoil GPS 80W-140
*Penrite 10 Tenths Synthetic 80W-140
Valvoline SYN 75W-140

By the way, capacity of the diffs is 1.6 liters each.
And don't forget to add some Nulon G70 with it - wonderful stuff that!

 

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Posted: Thu Jan 05, 2006 1:49 pm 
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penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5

 

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Posted: Thu Jan 05, 2006 2:17 pm 
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what he said!! ^^^^

penrite limslip diff oil it is blue and the s**t!

 

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Posted: Thu Jan 05, 2006 8:21 pm 
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tickford_6 wrote:
penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5


Excellent thanks.
I'll be getting some tomorrow.

 

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Posted: Fri Jan 06, 2006 12:17 am 
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Gearbox- Fuchs TITAN 7590 95-90 semi synthetic

Diff- Fuchs TITAN ls-90

Found them both to be excellent

 

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Posted: Fri Jan 06, 2006 4:45 pm 
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tickford_6 wrote:
penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5


Actually on the Castrol website it says transmax Z is for autos. Dont like that idea.

 

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Posted: Fri Jan 06, 2006 6:11 pm 
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Just went out to get some Penrite 10 tenths 80w 140 and no one seems to stock it. I went to Auto One like Frank said and then Repco and the Veale auto parts and then supercheap.
Must be good stuff if its this hard to find.

 

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Posted: Fri Jan 06, 2006 6:38 pm 
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Timmeh wrote:
tickford_6 wrote:
penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5


Actually on the Castrol website it says transmax Z is for autos. Dont like that idea.



You're meant to put ATF in T5s they shift really bad with gear oil.
plus the ATF will keep the bearings cooler.

 

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Posted: Fri Jan 06, 2006 6:39 pm 
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Timmeh wrote:
Just went out to get some Penrite 10 tenths 80w 140 and no one seems to stock it. I went to Auto One like Frank said and then Repco and the Veale auto parts and then supercheap.
Must be good stuff if its this hard to find.


you wont find it at regualar parts shops like that.
you'll have to look in some performance shops.

 

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Posted: Fri Jan 06, 2006 7:20 pm 
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tickford_6 wrote:
Timmeh wrote:
tickford_6 wrote:
penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5


Actually on the Castrol website it says transmax Z is for autos. Dont like that idea.



You're meant to put ATF in T5s they shift really bad with gear oil.
plus the ATF will keep the bearings cooler.


HI
i was told different i know ford recomend atf for the 6 cyl t5 .
but i was told that gear oil will keep the bearings cooler.
the guys at gearbox express said that they will not give warranty
if atf is used in a t5.
and i was also told that the v8 t5 is internally identical other than the length of the input shaft.. and ford recomends gear oil for the v8 t5.

so why do ford recomend atf for 6 cyl t5 and gear oil for v8 t5
when the gear boxes are the same.????????????

p.s. im not trying to be a smart a** im just quoting what i was told.
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Posted: Fri Jan 06, 2006 8:02 pm 
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TMAN NK wrote:
tickford_6 wrote:
Timmeh wrote:
tickford_6 wrote:
penrite 10 10th 80 w 140 in the diff
castrol transmax-Z in the T5


Actually on the Castrol website it says transmax Z is for autos. Dont like that idea.



You're meant to put ATF in T5s they shift really bad with gear oil.
plus the ATF will keep the bearings cooler.


HI
i was told different i know ford recomend atf for the 6 cyl t5 .
but i was told that gear oil will keep the bearings cooler.
the guys at gearbox express said that they will not give warranty
if atf is used in a t5.
and i was also told that the v8 t5 is internally identical other than the length of the input shaft.. and ford recomends gear oil for the v8 t5.

so why do ford recomend atf for 6 cyl t5 and gear oil for v8 t5
when the gear boxes are the same.????????????

p.s. im not trying to be a smart a** im just quoting what i was told.


i know every one has there own opinion on it. so it's cool man

i know mal wood says to use tranmax-Z and i've always used some for of ATF in my t5, and it copes a hell of beating...

when i first got the car it had gear oil in it and it would not go into any gear with out grinding,

 

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Posted: Sun Jan 15, 2006 6:12 pm 
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Well the car did have ATF in it and it was like water not very viscous at all.
I've put in Penrite Manual Gearbox Oil 75 and the gearbox feels a little better. Not as notchy as before which doesnt surprise me seeing as it was ATF.

All in all I wont be using ATF in a manual gearbox anymore. Next oil change I may even switch to Redline seeing as I'm now well versed in changing gearbox oil (seeing as I've done one manual gearbox oil change now :D).

 

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