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Charles Drakoulas
Experienced User Username: free_spirit
Post Number: 15 Registered: 1-2016
| Posted on Sunday, 19 March, 2017 - 09:00: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
Can anyone tell me if the above suspension fluid is suitable for use as a replacement for the castrol variety as I cannot seem to source it anywhere. I need to top up my system after a sphere replacement. |
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Brian Vogel
Grand Master Username: guyslp
Post Number: 2225 Registered: 6-2009
| Posted on Sunday, 19 March, 2017 - 11:39: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
Charles, Have a look at the thread entitled, Mineral system oil where to source, on rollsroyceforums.com. I have yet to see anyone refute JP_Corniche's contention about a single source for the actual substance that is then bottled by various companies under similar names. |
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Omar M. Shams
Grand Master Username: omar
Post Number: 1145 Registered: 4-2009
| Posted on Sunday, 19 March, 2017 - 12:08: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
For the record I use Total LHM Plus. have done for over a decade now. |
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Charles Drakoulas
Experienced User Username: free_spirit
Post Number: 16 Registered: 1-2016
| Posted on Sunday, 19 March, 2017 - 12:55: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
Thanks all, Looks like lhm+ should do the trick. Just one more question though. Does it matter if one mixes mineral oil with a full synthetic version? As I do not know what is in there now, all I really want to do is top it up. |
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Brian Vogel
Grand Master Username: guyslp
Post Number: 2226 Registered: 6-2009
| Posted on Sunday, 19 March, 2017 - 13:29: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
I have never known of a miscibility problem with synthetic oil (and I emphasize oil) and a natural dino/mineral oil. You can mix regular motor oil and synthetic-base motor oil with impunity. The result of doing so is what is marketed as semi-synthetic. I have grown to hate the trend toward labeling everything "synthetic" now that synthetic base motor oil has gained immensely in popularity due to its superior service life in particular. DOT3/DOT4 brake fluids have always employed a synthetic (but NOT oil) base, and are not miscible with oils (try it in a jar and see what you end up with - it isn't pretty). Years ago I got to see what happened to a Corniche that someone added DOT3 brake fluid to that was an LHM system car (don't ask). I think that the trend in labeling DOT3/DOT4 as "synthetic brake fluid" has muddied the waters strictly for marketing purposes as their primary components have remained unchanged for decades (additive tweaks are always taking place). But you're talking about natural base versus synthetic base LHM. Those are miscible. |
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Charles Drakoulas
Experienced User Username: free_spirit
Post Number: 17 Registered: 1-2016
| Posted on Sunday, 19 March, 2017 - 13:48: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
Hi Brian, Thank you for that, I feel much better having read and understood how things stand. I think I should be reasonably safe to go ahead and top up with mineral oil LHM+ |
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David Gore
Moderator Username: david_gore
Post Number: 2487 Registered: 4-2003
| Posted on Sunday, 19 March, 2017 - 18:06: | ![Edit Post](http://au.rrforums.net/forum/icons/tree_s.gif) ![Delete Post](http://au.rrforums.net/forum/icons/delmsg.gif) ![View Post/Check IP](http://au.rrforums.net/forum/icons/checkip.gif) |
Castrol reportedly has ceased making and marketing LHM fluid. Hopefully Penrite will step in and fill the gap left by Castrol - the bean counters at BP have prevailed and Castrol is doomed to be a dying brand like so many others have done after being swallowed up by a conglomerate run by accountants. To quote an old friend who has since passed on: "Accountants are there to tell you how much money you can spend, not how to spend it"!!! |