Looking to blend Quaker State Ultimate Durability 0W-20 & 5W-30 together in a ratio that will essentially yield a 1W-29 oil (9.2 cst).
Will QSUD OW-20 & QSUD 5W-30 play nice together as they are from the same family (thinking add packs etc will be similar, etc.).
Will QSUD OW-20 & QSUD 5W-30 play nice together as they are from the same family (thinking add packs etc will be similar, etc.).