The Pikey Posted May 19, 2012 Author Share Posted May 19, 2012 Dave, was this LS90 or just the 90 grade? The LS stuff is not available anywhere now but the 90 with friction modifier seems to work very well. Jason Link to comment Share on other sites More sharing options...
Jason Plato Posted May 19, 2012 Share Posted May 19, 2012 it was 90 LS Link to comment Share on other sites More sharing options...
Lotus Boy Posted May 26, 2014 Share Posted May 26, 2014 Just to update, Ford have changed the part number for their non-LSD oil. It was 1 197 483 but it is now 1 781 300 SAE 90 Hyoid rear axle oil. Cheers David Link to comment Share on other sites More sharing options...
vertew Posted September 3, 2014 Share Posted September 3, 2014 Thought it was worth resurrecting this old thread - it's an oldie but a goodie! I've got a ZF LSD in my 2003 roadsport that's a bit of a whiner with some transmission shunt thrown in. The previous owner had the diff removed and re-setup, but apparently there was not much improvement. After a fair bit of browsing, I concluded that there was probably nothing wrong with the diff and the noise levels were normal for my particular spec. I'd have to put up with it, or buy an altrenative / less noisy diff. So I'd s-o-r-t of got used to it. Then I found this post about the Ford (and possibly other) 90 grade oils making a big difference to noise, at leadst for a while. I've just ordered: a couple of litres of the Ford SAE90 (non-LSD) + a sachet of the LubeGard friction modifider + a cheap fluid extractor pump from Halfords. Just wondering how Jason and everyone else who had a go with new diff oil got on now that a couple of years has passed. Did your diffs stay quiet? Did you need to keep changing oil? Has anyone got any new experiences with diff oil fixing whines and clunks? Are there any synthetic oils that last longer? I'll report back when I've engorged my diff with the new fluids 😳 ................ Link to comment Share on other sites More sharing options...
vertew Posted September 6, 2014 Share Posted September 6, 2014 For the record ... So I got some of the recommended Ford SAE90 (non LSD) and a sachet of Lubegard friction modifier. Bit of a messy job - even with a syphon pump I managed get as much oil on me as went in the diff. And the the effect was on my 7 was ..... no difference. The oil that came out looked in good condition, so it wasn't the 10yr old 'black pond water' I feared. Oh well, at least I know what is in the diff now ... Link to comment Share on other sites More sharing options...
David Brown Posted June 18, 2015 Share Posted June 18, 2015 Any updates or long term conclusions for a Titan? Link to comment Share on other sites More sharing options...
Alan Reeves Posted June 19, 2015 Share Posted June 19, 2015 I am changing my diff in a couple of weeks and would apreciate an update if there is.i will be speaking to Phil at R n R .there is so much in this posting that sounded so positivce and there were detractions.confused Link to comment Share on other sites More sharing options...
DJ. Posted June 19, 2015 Share Posted June 19, 2015 My reading of all this is that the Ford diff runs best on the oil it was designed for: EP90/GL5 mineral oil.I use Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff oil as I have an lsd fitted.Works well, but I do get some whine when off power between 50-60mph. At any other speed and when accelerating hard my diff is very quite and I suspect a resonance problem with my metric S3 chassis is actually the reason this is noticeable as I had exactly the same symptoms with a brand new Caterham diff and a R&R rebuilt original Ford diff.Duncan Link to comment Share on other sites More sharing options...
7 wonders of the world Posted June 19, 2015 Share Posted June 19, 2015 If you want a pukka final drive building that will be silent Steve at SP Components is the man to speka too Link to comment Share on other sites More sharing options...
Alan Reeves Posted June 19, 2015 Share Posted June 19, 2015 Saw R nR today and collected the new diff, as you say, 90/GL5ta Link to comment Share on other sites More sharing options...
Roadsport06 Posted June 19, 2015 Share Posted June 19, 2015 Steve did a cracking job on my diff, he gave me his brief explanation about how it works too and why ATB diffs aren't as good as plate diffs. If you have been to Steve you'll understand his brief chats. Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted June 20, 2015 Area Representative Share Posted June 20, 2015 Some people really do have (perceived) problems.Put Halfords 80w-90 Diff Oil + LSD additive in my Sierra Diff on build & ran it for ELEVEN YEARS with no panic inducing noises before selling the car.And it is STILL running OK. Link to comment Share on other sites More sharing options...
Alan Reeves Posted July 8, 2015 Share Posted July 8, 2015 Does anyone have any spare Ford original oil they would let me have ? My new diff has a noise:Between 40 mph and 55MPHalso when feathering coming down through those same speed ranges.what DJ says is quite interesting re a resonance though ? Link to comment Share on other sites More sharing options...
Wrightpayne Posted August 3, 2016 Share Posted August 3, 2016 interesting first post from Jason - gonna get some ford oil for mine as it whines bad - only done 1500 miles since re built by SPC. Needs to come out over winter as weeping oil from seals.Ian Link to comment Share on other sites More sharing options...
Smithy77 Posted August 3, 2016 Share Posted August 3, 2016 I've just ordered some Comma LS80W90 GL5 for topping up my LSD. I hope it's the right stuff. Advised by BGH/Caterham... Link to comment Share on other sites More sharing options...
Wrightpayne Posted July 24, 2018 Share Posted July 24, 2018 Been a few diff threads recently so thought would resurrect this one! Link to comment Share on other sites More sharing options...
Wrightpayne Posted June 15, 2020 Share Posted June 15, 2020 Another bump for an interesting read! Link to comment Share on other sites More sharing options...
Garth Posted June 15, 2020 Share Posted June 15, 2020 Had a quick read through this - have just had my LSD fitted by R&R and they now recommend a diff oil they say they have developed!Has anyone tried it (will have to check what they call it but bottle in the garage)? I have put it in but was just before lockdown so not had it out yet (as car been in bits longer than it should have been!) Link to comment Share on other sites More sharing options...
DJ. Posted June 15, 2020 Share Posted June 15, 2020 I'd be interested to hear more about that Link to comment Share on other sites More sharing options...
Tazio Posted June 16, 2020 Share Posted June 16, 2020 I think it's Phil's Company, the oil is called from memory 'Imperiam', he sold me some when my ZF Slipper diff was rebuilt , I put it in....that's it, it works, diff's quiet... Link to comment Share on other sites More sharing options...
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