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405 g/box & o/drive oil advice

6 cyl Bristol cars Type 400 to 406 - restoration, repair, maintenance etc

405 g/box & o/drive oil advice

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01-10-21, 07:54 PM

David C

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Join Date: Apr 2021

Posts: 393

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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