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kev_morrison Just got MTs
Joined: 23 Apr 2003 Odometer: 121 Location: lanarkshire scotland
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Posted: Sun Oct 22, 2006 10:37 pm Post subject: oils for shogun
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Hi there,
just got myself a shogun and was wondering what oils I should use for a major fluid change.
I have previously used your oils on my disco and was really pleased with the results after using it especially in my gear box.
Shogun gear box seems a little stiff going into 2nd when cold but ok the rest of the time.
Vehicle in question is an Rreg 2.8td with manual transmission and difflock in centre and rear diffs. vehicle has done only 146k mls.
Many thanks Kev
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DifflockPeter Guest
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Posted: Fri Oct 27, 2006 9:14 am Post subject:
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Hi Kev,
Sorry for the delay getting back to you, I'll post a full response over the weekend.
Best Regards
Peter
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DifflockPeter Guest
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Posted: Mon Oct 30, 2006 11:55 pm Post subject:
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Hi Kev,
As far as your engine lubricant goes, if the engine is in very good condition and not currently consuming oil you could opt for a 10W40 viscosity grade with a high synthetic content that meets API grade SL/CF or ACEA grade A3/B3. This will give best economy and is also ideal for repeated long journeys on faster roads such as motorways.
For everyday, short journey use or if the engine is a little smoky as a result of oil consumption, you should use a 15W40 viscosity grade (API SJ/CH-4 or ACEA B3, E3), since its thicker viscosity will reduce oil consumption, especially from start up.
One thing though, if your engine is worn past its best and heavily sludged, a highly detergent truck E3 grade will purge those deposits which are currently helping to keep the oil consumption within check. Although the temptation is to shift this sludge so the engine has clean internals, you may do more harm than good and end up with a badly leaking rattlebox (so check the rocker box isn't showing signs of heavy black sludge).
To improve shifting in the gearbox then our Evolution 2 Fully Synthetic gear oil should do the trick, especially as winter's cold starts to bite. For maximum protection and economy you can also use it in the axles.
A plain mineral EP80W90 to API GL5 can also be used in the axles if the budget is constrained.
Summarising, our recommendations for your vehicle (excluding autobox) are as follows:
2.8TD engine
Best Economy for engines in good condition
6.5 Litres (or 7.8 litres if oil cooler fitted) 10W40 High Synthetic Engine Oil ACEA A3/B3/B4
Short haul useage or evident oil consumption
6.5 Litres (or 7.8 litres if oil cooler fitted) Long Drain Diesel 15W40 Engine Oil ACEA E3/E5
Main Manual Gearbox 3.7 Litres Evolution 2 Fully Synthetic Gear Oil
Transfer Gearbox 2.2 Litres Evolution 2 Fully Synthetic Gear Oil
Front Axle Differential 1.2 Litres Evolution 2 Fully Synthetic Gear Oil or
GL5 Multigrade Gear Oil EP 80W90
Rear Axle Differential 3.2 Litres Evolution 2 Fully Synthetic Gear Oil or
GL5 Multigrade Gear Oil EP 80W90
Hope this helps,
Best Regards
Peter
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kev_morrison Just got MTs
Joined: 23 Apr 2003 Odometer: 121 Location: lanarkshire scotland
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Posted: Sun Nov 19, 2006 8:55 am Post subject:
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Many thanks once again Peter.
Just been settled up after land rover being stolen so shogun will be done in the next couple of weeks.
Thanks again Kev
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ray dadd Just got MTs
Joined: 20 Dec 2004 Odometer: 139 Location: stourbridge
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Posted: Tue Nov 21, 2006 6:18 pm Post subject:
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Simon
i have been playing with my axles on the Toyota LC 80 .in the manual it says hypoid oil with some code but no ref to EP grade oils for the diffs .
any ideas why .as i have been told that i cant use ep 80/90 due to the type of diff on that diff .they said it is a very common mistake using the wrong diff oil in the diff . any views mate ?
__________________________________ Ray Dadd
www.crag-uk.org |
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DifflockPeter Guest
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Posted: Thu Nov 23, 2006 2:09 am Post subject:
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Hi Ray,
I believe that the LC80 series (some if not all variants) was fitted with a Limited Slip Rear Diff. If this is the case then it needs a dedicated limited slip diff oil to ensure the friction 'clutches' within operate correctly.
If an everyday EP gear oil used, the limited slip diff will not unlock correctly and this gives rise to chatter and poor handling, especially when cornering in slippery conditions (wet roads).
From our range we would recommend our Racing Spec Limited Slip Differential Oil which gives API GL5/GL6 protection whilst ensuring correct operation of friction clutches.
If your truck does not have a limited slip diff then you can use an everyday EP gear oil within but do ensure it meets at least API GL5 spec.
Best Regards
Peter
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ray dadd Just got MTs
Joined: 20 Dec 2004 Odometer: 139 Location: stourbridge
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Posted: Fri Nov 24, 2006 7:04 pm Post subject:
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Simon
the diff is not a limited slip it is a locking diffhypoid design. hypiod design is when the pinion gear is set lower on the Axel casting and the crown is in contact with the pinion at the bottom of the crown gear ,this design is to increase ground clearance from what i have been told . that is why i think i need a different oil due to the way the gears meet and work (not EP)
so will the oil you suggest work or do i need something else?
yours
ray
__________________________________ Ray Dadd
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DifflockPeter Guest
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Posted: Fri Nov 24, 2006 9:09 pm Post subject:
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Hi Ray,
Take more water with it, my name's Peter
Hypoid diffs are not unusual or rare but they do require lubricants with a robust additive package especially as far as the EP (extreme pressure) additives go.
Note that the additive pack and the viscosity are defined by different standards (API and SAE respectively).
Hence it is perfectly acceptable to use an SAE 80W90 viscosity lubricant within your diff and typically it will also be an EP gear lube. What is important for a hypoid diff is that the additive pack meets or exceeds the requirements of the API GL5 standard.
For all year round UK use your axle diffs can in fact be filled with monograde EP90, multigrade EP80W90 (better lubrication from cold on winter mornings) or fully synthetic 75W90 (best lubrication of all under all conditions) with the BIG proviso that all these lubes meet the API GL5 standard (look for the words API GL5 on the packaging).
From our range our recommendations would be:
Evolution 2 Fully Synthetic Gear Oil
or our
GL5 Multigrade Gear Oil EP 80W90
Best Regards
Peter
Last edited by DifflockPeter on Fri Nov 24, 2006 11:54 pm; edited 2 times in total |
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DifflockPeter Guest
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Posted: Fri Nov 24, 2006 9:16 pm Post subject:
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Hi again,
Just for completeness, yes our Racing Spec Limited Slip Differential Oil is also perfectly suitable for Hypoid diffs (it exceeds the requirements of API GL5) but you really don't need its special friction modifiers since you don't have friction clutches to worry about.
Best Regards
Peter
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ray dadd Just got MTs
Joined: 20 Dec 2004 Odometer: 139 Location: stourbridge
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Posted: Sat Nov 25, 2006 2:38 pm Post subject:
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sorry peter i am crap with names most times.that's why most my mates call each other norm ,it easy and even better when drunk as every one round you think every one is called norm.
many thanks for the advice peter
yours
ray
__________________________________ Ray Dadd
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