Neil_K Posted October 2, 2008 Share Posted October 2, 2008 here Would welcome thoughts on it. This is for a complete change, not a top-up. Very high levels of the latest load carrying and anti-wear agents give API GL5 and GL6 performance. Where am I? Link to comment Share on other sites More sharing options...
Mick Day Posted October 2, 2008 Share Posted October 2, 2008 Diff needs an EP90 oil. Link to comment Share on other sites More sharing options...
Area Representative Crudders Posted October 2, 2008 Area Representative Share Posted October 2, 2008 Although it doesn't say so on the tin, Silkolene BOA 90LS is an EP90 mineral based gear oil. I have this stuff in my axle on the recommendation of the guys at Opie and while I haven't done any miles on it yet, I was pleased to note that it is considerably 'thicker' than the Comma EP90 that preceded it. That's probably more of an issue with an axle than a separate diff unit as you wouldn't have the problem of oil disappearing up the driveshaft tubes on cornering, but thin gear oil just doesn't feel right somehow. Can anyone explain why different oils of the same SAE viscosity rating can have such widely varying gloopiness? It's always been a mystery to me Crudders Edited by - Crudders on 2 Oct 2008 16:23:44 Link to comment Share on other sites More sharing options...
Peter Carmichael Posted October 2, 2008 Share Posted October 2, 2008 Have you ever measured their gloopiness at 100degrees (operating temperature)? Link to comment Share on other sites More sharing options...
Area Representative Crudders Posted October 2, 2008 Area Representative Share Posted October 2, 2008 Well guessed Peter, that question was indeed written with you in mind No I haven't done as you suggest, and ta for pointing out my flawed thinking A gloopy gear oil at anbient temp still seems so much more satisfactory though Crudders Link to comment Share on other sites More sharing options...
Mick Day Posted October 2, 2008 Share Posted October 2, 2008 Gosh Peter that's a novel idea! Link to comment Share on other sites More sharing options...
Neil_K Posted October 2, 2008 Author Share Posted October 2, 2008 So is it good gear? (geddit? ) Where am I? Link to comment Share on other sites More sharing options...
Pete-B Posted October 2, 2008 Share Posted October 2, 2008 You could say it is when you get your teeth into it especially if they have been pinioned and crowned 😬 Peter Edited by - Pete-B on 2 Oct 2008 21:24:32 Link to comment Share on other sites More sharing options...
Mick Day Posted October 2, 2008 Share Posted October 2, 2008 Did someone ask for a crown? Link to comment Share on other sites More sharing options...
BBL Posted October 2, 2008 Share Posted October 2, 2008 Any decent gloopometer will compensate for the temperature difference. Just pop 'round your local Halford's and tell them that some Yank on a internet chat room advised you to buy a decent gloopometer. That should make for a fun afternoon for both of you! Sean Link to comment Share on other sites More sharing options...
Gordon C Posted October 3, 2008 Share Posted October 3, 2008 Simon and Guy at Opie oils have been extreamly helpful to me on more than one occasion. Well worth sending them a mail if you have any questions concerning oils. Tell them the full spec of your car and i'm sure you'll get a speedy reply. _________________________ Gordon. Link to comment Share on other sites More sharing options...
BBL Posted October 3, 2008 Share Posted October 3, 2008 Neil - Was there something wrong with the oil you had been using previously? Sean Link to comment Share on other sites More sharing options...
Neil_K Posted October 4, 2008 Author Share Posted October 4, 2008 No, but I'll be draining it out when I add a LSD and I have no idea what it was originally. Not really keen to re-use it so need some new oil to go in. Saw this stuff and wondered if it's any good?! Where am I? Link to comment Share on other sites More sharing options...
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