Quote:
Originally Posted by jwd
For break in, use a CI-4 or CJ-4 rated oil with 1 bottle of GM EOS. After that, just use CI-4 or CJ-4 oil. No need to use any of the snake oil additives.
Jim |
That's not such good advice anymore, I think. CI-4 and CJ-4 are for diesels. They used to have a lot of
Zinc and Magnesium for anti-wear. But, diesels now have cats. CJ-4 doesn't have the additives it used to. And you really have a tough time finding CI-4 on the shelf any more.