I know there have been extensive posts on oil, but after reading pages of information and links, I am still not sure which oil would be best for a newly rebuilt 930 motor...anyone recommend a breakin oil? And then which oil would you advise to use after breakin?
I have used Castrol gtx 20-50 in my 911s for years, but am considering switching to Brad Penn or Swepco...I have not been a big fan of synthetics, but am not sure which to use in a turbo application. Any advise would be appreciated!!
Thanks,
Don
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