Originally Posted By: Hemi426
Would it be okay to mix the 10w30 Quaker State Ultimate Durability with one quart of 5w-20 Quaker State Ultimate Durability without screwing up the chemistry of the oils?
Yes its okay.
Would it be okay to mix the 10w30 Quaker State Ultimate Durability with one quart of 5w-20 Quaker State Ultimate Durability without screwing up the chemistry of the oils?
Yes its okay.