samwhite95 Posted July 24, 2023 Share Posted July 24, 2023 Hi all, What is the recommended oils for the 1500 drive chain engine, gearbox and diff? Rimmerbro's chart is confusing me. Many thanks, Sam Quote Link to comment Share on other sites More sharing options...
Amy Wade Posted July 24, 2023 Share Posted July 24, 2023 The engine requires a 20W50 with a high zinc content, my personal choice is Duckhams Q although you'll find plenty of choice out there from other brands, even Halfords does an own brand classic oil range. The gearbox/overdrive/diff require a GL4 oil EP75W/90 multigrade is pretty easy to find & will do fine. Never put GL5 oil in there, it will destroy yellow metal. 1 Quote Link to comment Share on other sites More sharing options...
samwhite95 Posted July 25, 2023 Author Share Posted July 25, 2023 Hi Amy, Much appreciated! I've got a small leak on the diff and was looking to use some leak stop, do you have a experience with a leak stop product? Would you recommend? Regards, Sam Quote Link to comment Share on other sites More sharing options...
Steve AKA vitessesteve Posted July 25, 2023 Share Posted July 25, 2023 Our cars are prone to leaking. Some say if you can see a leak that is a good sign because it means that there is some oil to leak out. Seriously you might be best putting a bit of cardboard down to catch the drips or an old tray. Cat litter will soak up spills. Can you see a pressure relief on top of the diff? Wiggle the pin to ensure the hole is not blocked. A blocked relief can pressurise the diff and result in oil forcing itself pass the seals on the shafts. 1 Quote Link to comment Share on other sites More sharing options...
Clive Posted July 25, 2023 Share Posted July 25, 2023 5 hours ago, samwhite95 said: Hi Amy, Much appreciated! I've got a small leak on the diff and was looking to use some leak stop, do you have a experience with a leak stop product? Would you recommend? Regards, Sam The diff needs resealing. Seals are cheap, and the front one is easy to do. The side seals require somebody with the correct tool to press the bearing off the sideshaft (do it wring and it snaps) Re diff oil, as Amy says, anything in the range 75 to 90 EP oil, GL4 (or a yellow metal safe GL5, but that takes some digging for the info) I use an 80/90 GL4 for engine and gearbox. 1 Quote Link to comment Share on other sites More sharing options...
yorkshire_spam Posted July 25, 2023 Share Posted July 25, 2023 Ref engine oil. 10 hours ago, samwhite95 said: oils for the 1500 drive chain engine It really depends on how you use the car/engine. The 1500 engine is prone to working the oil very hard if used "enthusiastically" by getting it quite hot. If you intend to use the car on long distance runs/events or climbing (for example) mountain passes then seriously consider investing in both an oil cooler AND spending more on the oil (Penrite 20/60, Millers CSS 20w-60, Valvoline VR1 20w-50 etc.) On the other hand if the car/engine will get "light use" any branded 20w-50 will be perfectly fine! PS. Rimmers=supplier of last resort! Support the smaller Triumph suppliers like Canleys, James Paddock, Fitchetts etc.! 2 Quote Link to comment Share on other sites More sharing options...
samwhite95 Posted July 25, 2023 Author Share Posted July 25, 2023 Thanks all for the replies, I will add the oil initially to see if it quietens down things first and then push forward with resealing. Quote Link to comment Share on other sites More sharing options...
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