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405 g/box & o/drive oil advice
HI, I've had a good trawl through the forum and can't find the info I'm after, so can anyone help with the following question?
I know that the manual specifies sae30 oil for the linked g/box and o/drive on 405s. Does anyone know if this is still the best (compromise!) or is there a modern alternative? It would appear that the 30 grade is only recommended due to the o/drive not liking anything thicker. Has anyone tried a more viscous grade that might be more suited to the g/box as I feel 30 is, in an ideal world, nowhere near up to the job I feel that if these units were designed today, there would be a modern, possibly sythetic oil specified. Any help gratefully received before I go out and buy some sea30 (or even try some 40!!) |
405 gearbox & od oil
Glenn, I have used 20/50 engine oil in mine for the last 40+ years with no deleterious affects or advice to do otherwise.
Chris. |
I use Penrite gearbox oil 30 from Classic oils in Bicester
Penrite stated in a 1994 release that modern EP oils are not recommended for gearboxes, especially those with overdrives. Penrite also make a rear axle oil suitable for classics. Mild EP is suggested for the 405. |
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