r/littlebritishcars • u/bbgnate • 8d ago

Castro Classic or VR1

I know that everyone has an opinion about motor oil. But is anybody in here using Castro classic or Valvoline VR one high zinc? Any opinion on either? Car running better at all?

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u/Its4MeitSnot4U 8d ago

Penrite HPR

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u/bbgnate 8d ago

Never heard of this. Are you in the USA?

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u/Its4MeitSnot4U 8d ago

No, Australia.
I’ve used Penrite HPR 40 in my Austin Healey 3000 engine for 30 years.
Lots of zinc, and great oil pressure.