jim_b Posted August 10, 2009 Share Posted August 10, 2009 Hiya,Could anyone recommend gearbox/transmission oil for a 1300? I need to do an oil change but I'm not sure how thick it should be, maybe w/80 or 90?Many thanks for any help!Jim Link to comment Share on other sites More sharing options...
valencia1 Posted August 11, 2009 Share Posted August 11, 2009 i would go for EP80 Link to comment Share on other sites More sharing options...
partsaver Posted August 12, 2009 Share Posted August 12, 2009 Ep 90 is recommended in most of the books/ manuals. Link to comment Share on other sites More sharing options...
JPB Posted August 13, 2009 Share Posted August 13, 2009 Isn't this gearbox the same as it is in the Marina? In that case, why the Extreme Pressure spec? Marina application sees it filled with straight 20w50s, yep, engine oil.1988 Autodata, the last year that listed the Dolomite range, specifies 20w50s too, for both cars using that gearbox. ;) Link to comment Share on other sites More sharing options...
partsaver Posted August 13, 2009 Share Posted August 13, 2009 The following is from the dolomite 1300 BL handbook page 49 recommended lubricants all seasons - british isles engine gearbox, o/d and R axle BP, BP super 20W/50 BP gear oil SAE EP90Castrol, Castrol GTX Castrol hypoyDuckhams Duckhams Motor oil Q Hypoid 90Esso Esso Uniflo gear oil 85W/140Mobil super 10W/50 or special 20W/50 Mobillube HD90Petrofina 20W50 XP90/140Texaco 20W50 mutigear EP90Shell super mutigrade spirex EP90So thats engine oil in the engine and gearbox oil in the gearbox, some off them EP or XPHope this is off some help.Intrestingly the 1979 Autodata dolomite manual suggests Hypoid SAE90 for gear box top up and 75 for gearbox fill!! Although i wouldn't take too much notice of Autodata books as they seem to contradict themselves a lot and have a lot of inncorrect or misleading info in most of their publication. Link to comment Share on other sites More sharing options...
JPB Posted August 13, 2009 Share Posted August 13, 2009 OK, so how do the same gearboxes in Marinas require 20w50s engine oil, as do many boxes of the period where phosphor bronze surfaces are present? Not untypical of BL/JRT in that period I suppose, but if there's an official recommendation for a certain oil, then I'd go with the one that doesn't have the EP pack, other than in a back axle of course.I wasn't referring to the Autodata manual for the Dolomite, but to Autodata, for that year, big thick book, used to come on the Proto truck every Autumn, contains the tribological requirements, engine tuning settings and service requirements for everything currently available up to ten years after their production cycles.Not to be confused with the car manuals for individual, amateur consumption, Autodata is more like Wards or similar and sits somewhere in pretty much every garage throughout the land on that shelf where ICME lives too.(ok) Link to comment Share on other sites More sharing options...
partsaver Posted August 14, 2009 Share Posted August 14, 2009 Sorry misunderstood your autodata quote,Personally i would stick to what the original dolomite handbook states, i never have had a dolomite leak oil so never had need to top up so can not speak from experiance.Havn't got a clue why marina would recommend engine oil, maybe it was cost cutting! Link to comment Share on other sites More sharing options...
yogi Posted August 16, 2009 Share Posted August 16, 2009 Hate to interupt your little argument but the original post from jim b doesn't say Dolomite does it? It just says 1300 in which case should definitely not be engine oil but an EP 90. Having said that he may mean a Dolly as a 1300 FWD gearbox cant be drained without removing the rear cover or tipping the car upside down (I'm joking, don't respond to that). It is supposed to be sealed for life and just topped up though I realise they were never intended to live for 40 years. Link to comment Share on other sites More sharing options...
partsaver Posted August 17, 2009 Share Posted August 17, 2009 Is not an argument, its a difference of opinion, seems jim_b (who owns a dolomite) has kinda forgotten anyhow. can you not drain a 1300fwd box by taking out the two centre bolts that go through into the block or by taking out a drive shaft?Bring your car around and we will try some new ways of draining the oil. large hammer and chesil or maybe a drill bit. ;D Link to comment Share on other sites More sharing options...
yogi Posted August 17, 2009 Share Posted August 17, 2009 No, if you take the two long bolts out you will drain the sump. Removing one of the driveshafts could work but it would probably be easier to turn the car upsidedown! Link to comment Share on other sites More sharing options...
mikeyb Posted August 17, 2009 Share Posted August 17, 2009 Hmmn, long time since I played - but wasn't one of the lower gearbox casing bolts holes drilled all the way through to provide a drain? Link to comment Share on other sites More sharing options...
yogi Posted August 18, 2009 Share Posted August 18, 2009 The gearbox has a rear cover, is that the one you mean? It would certainly be a good idea if the lowermost bolt hole was drilled through. The only time I've had to remove the rear cover I just stuck a washing up bowl under the back of the box to catch the oil as I broke the seal on the gasket. I may look into that next time but it's not something you have to do very often. There is a filler plug on one side and that sets the level (when it starts coming out of the hole it's full). Link to comment Share on other sites More sharing options...
partsaver Posted August 19, 2009 Share Posted August 19, 2009 I will be playing with my triumph for the rest of this week so if i can be arsed i will dig out one of the spare gearboxes and have a closer look.I do kinda get the feeling that jim_b has either forgotten or has been asleep for a week. Link to comment Share on other sites More sharing options...
jim_b Posted August 23, 2009 Author Share Posted August 23, 2009 Wow, a lot of posts!I thought I'd answered before, but apparently I didn't hit that important 'Post Reply' button...Thanks very much for the help! My car is a 1300 fwd (had it for about 6 weeks now), so it looks like I can't actually drain the gearbox oil - I'll top it up with EP80 or 90 instead, according to the haynes the level plug is on the rear-left side of the gearbox casing.Thanks again for the help, I'm still learning my way around the car so I hope it's OK if I post on this forum with questions!CheersJim Link to comment Share on other sites More sharing options...
partsaver Posted August 23, 2009 Share Posted August 23, 2009 umm, Yogi, apparently Jim has a 1300 fwd not dolomite as i may have mistakenly, wrongly, incorrctly suggested, not sure why i thought that, so in future just ignore me, although yogi, the offer of a geqarbox drian plug adaption is still there. Link to comment Share on other sites More sharing options...
yogi Posted August 26, 2009 Share Posted August 26, 2009 377 wrote:umm, Yogi, apparently Jim has a 1300 fwd not dolomite as i may have mistakenly, wrongly, incorrctly suggested, not sure why i thought that, so in future just ignore me, although yogi, the offer of a geqarbox drian plug adaption is still there.Blimey, that almost sounds like apology! I've bought some new toys for my car, you'll see them on Sunday. Link to comment Share on other sites More sharing options...
partsaver Posted August 27, 2009 Share Posted August 27, 2009 Ohh, new toys, are they shiney?Furry dice, knitted by Mrs Yogi LOL Link to comment Share on other sites More sharing options...
yogi Posted August 27, 2009 Share Posted August 27, 2009 They are indeed bright and shiny. Link to comment Share on other sites More sharing options...
partsaver Posted September 2, 2009 Share Posted September 2, 2009 And indeed they do shine in the morning light, or would have done if the sun had came out. Link to comment Share on other sites More sharing options...
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