Hadn't heard that about Mobil 1 cheaping out on the ZDDP.

Well, no harm here; never put their stuff in my Z anyway. (I buy my Amsoil 10-40 from Marc Haibeck...because I CAN and we gots ta support the local sheriff, doanchaknow...

)
Been having my oil changed (DD F150, etc.) for 18 years at a oil change joint. I change my own on the Vettes, and the oil joint used to drain my 5 gal Gerry can for free.
NOW they want $1/gal to accept used oil.
Anyone else have this problem??
Sorry....don't mean to hijack the thread.