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Diff Oil

Posted By : Steve Bessant, 09-Apr-2005, 04:24pm

Hi,

I've asked this question elsewhere but got no reply...

I have been using dot 5 oil in my 3.7 diff for about 10 months. Recently I read that it should be dot 4 (at least in smaller Triumphs) and this prompted me to check my oil.

Does this apply to 2000's? How much damage have I potentially done?

The diff has been a bit noisy since I fittted it, but I can put up with it since I replaced the standard 2000TC unit and my car has no overdrive. I use the thing every day, doing about 150 miles a week. I don't worry about petrol additives, just let it drink Optimax. Valve seat recession? What's that!!

Thanks for any help.

cheers, Steve Bessant