R380 defender 3rd to 2nd problems, help!

Mines got big K's and works in extreme heat in summer so I went the Redline route. Pat

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Originally Posted by rick130

AFAIK Caltex aren't importing it anymore.

It's OK, but too light a viscosity in summer in heavy use without an oil cooler IMO (as most Tdi's run)

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What oil would you recommend for the R380?