Originally Posted By: Garak
Originally Posted By: pbm
A co-worker put over 300K on an 88' or 89' Corolla using QS green bottle, so it's definitely a good oil.
My best was 1,000,000 km on a 1981 Chevrolet Impala, using solely QS GB 10w-30 and Wix filters, with a 10,000 km OCI. The cam was replaced once, since Chev small blocks were always hard on them, but that was it. It was driven to the junk yard; the body was not doing well anymore.
1,000,000 kms is very impressive with our harsh driving conditons here in Canada