tbox
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| posted on 4/3/12 at 03:30 PM |
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Which dif Oil for LSD from a Sierra Cossie?
Hi all,
As per above, i'm fitting the LSD originally from a Sierra Cosworth and I'm hoping someone will be able to advise on the best oil(s)to
use with it?
All the best
T-Box.
"As my grandmother used to say, anything mechanical, give it a good bash." -
Cmdr. Colin Maud, RN
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snapper
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| posted on 4/3/12 at 03:32 PM |
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Standard stuff as the LSD bit is sealed
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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tbox
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| posted on 4/3/12 at 03:50 PM |
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quote:
Originally posted by snapper
Standard stuff as the LSD bit is sealed
Many thanks Snapper. does that mean that it doesn't require any special additives for LSD's?
sorry for the naive questions... bit new to all this! 
"As my grandmother used to say, anything mechanical, give it a good bash." -
Cmdr. Colin Maud, RN
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britishtrident
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| posted on 4/3/12 at 04:44 PM |
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It is just an ordinary final drive with a viscous coupling, the viscous coupling bit is completely sealed from the final drive oil. so you can just
use any ordinary EP 75/90 Hypoid gear oil to GL5 spec.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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tbox
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| posted on 4/3/12 at 09:23 PM |
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Thanks for the clarification. Very useful!
"As my grandmother used to say, anything mechanical, give it a good bash." -
Cmdr. Colin Maud, RN
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Rob Allison
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| posted on 5/3/12 at 04:45 AM |
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EP 80/90 is the book spec for the sierra
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tbox
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| posted on 5/3/12 at 08:24 AM |
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Thanks Rob... If that's what the book says, then that's what I'll do!
"As my grandmother used to say, anything mechanical, give it a good bash." -
Cmdr. Colin Maud, RN
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britishtrident
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| posted on 5/3/12 at 09:02 AM |
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Things move on the original oil fill back in the 1980s was actually straight EP90 GL5
EP75w/90 is a multi-grade and supersedes EP80, EP90 and EP80/90
It is the GL5 bit of the spec that is important
GL spec number is important because the gearbox lubricant is specified as EP80 GL4.
GL4 and GL5 oils should not be confused.
GL4 oils don't give enough protection for the final drive hypoid gears.
GL5 oils aren't good for the gearbox synchromesh mechanisms.
[Edited on 5/3/12 by britishtrident]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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