SOHC Posted October 21, 2012 Share Posted October 21, 2012 would it be ok to use GL5 in a 1973 jaguar xj6 diff? I hear GL5 will eat into bronze bushes in diffs and gearboxes. I have looked allover the net for info but carn't find any. Quote Link to comment Share on other sites More sharing options...
Ranter Posted October 22, 2012 Share Posted October 22, 2012 They want a hypoid 80/90 api GL5 by the book i use. Quote Link to comment Share on other sites More sharing options...
SOHC Posted October 23, 2012 Author Share Posted October 23, 2012 Cool thank you, Quote Link to comment Share on other sites More sharing options...
Ogre Posted October 23, 2012 Share Posted October 23, 2012 Ive got 80/90 GL5 in my book as well, unless its LSD and then it needs LSD 85/140. I dont see why a GL5 would eat into bronze where GL4 wouldnt. Quote Link to comment Share on other sites More sharing options...
SOHC Posted October 23, 2012 Author Share Posted October 23, 2012 Ive got 80/90 GL5 in my book as well, unless its LSD and then it needs LSD 85/140. I dont see why a GL5 would eat into bronze where GL4 wouldnt. I have a 10 Ltr of penrite GL5 I got given and wanted to use that, its not a LSD, I managed to get the spc sheet on this oil today and it says its safe for copper and bronze. I think the GL1 was the oil they used back in the day in the ealy diffs. Never bothered about things like this when I was younger, would just pore in any old stuff. Quote Link to comment Share on other sites More sharing options...
azzurro Posted October 23, 2012 Share Posted October 23, 2012 fiats have a similar issue with gearbox oil eating brass components if you put the wrong shizz in - Sulphourous additives (usually added to make the oil EP) is the stuff that eats brass, so just need a non-EP oil of the correct weight. Quote Link to comment Share on other sites More sharing options...
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