So do I, in 10/30 version VR1.

Mike, located in the Siskiyou mountains, Southern, OR 292 powered 1946 Ford 1/2 ton, '62 Mercury Meteor, '55 Country Squire (parting out), '64 Falcon, '54 Ford 600 tractor.

I recently changed oil in my 87 IH truck with 6.9 using Rotella. The last gallon I added said low emission new improved blah blah blah. To me this all means there is less ZDDP in it which my older diesel needs too.

In my hydraulic lifter engines I started using Comp Cams ZDDP additive which states it's not break in additive or racing additive but engineered to be run with regular oil and changed at normal oil change intervals.  I'm counting on Comp to have engineered a product that will perform as they still sell a bunch of non roller cams.

I spoke one day with a Valvoline engineer and you are absolutely correct the racing oil you mentioned is their only product with ZDDP.

I've heard the Amsoil is good stuff but what is the cost? Can anyone give me an idea of case or gallon price? I have 5 trucks and cars that need the stuff so unfortunately cost is a factor.

Thanks

Missouri Mike

I'd rather be lucky than good.................

    but good ain't bad!!

Ive never seen a subject beaten to death as this one. Apparently no one reads the other entries on this subject.



No other than Ted Eaton, YBlock engine builder deluxe, recommends any oil 10/40 or higher as perfectly safe for YBlocks. Current Rotella and 10/40, 20/50 dino oils have at least twice as much ZDDP as oils in the 60's.



Another YBlock restorer and engine builder of 55-57 TBirds says the same thing. He commissioned a study on this.

54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Would have responded sooner but a storm knocked out phones for several days.

Signed onto this forum because everyone seemed so decent and I didn't ever see anyone jumping on someone's ass for thier opinion, till now.  Plus, I don't care for people who take shots from afar.

I've run diesel for 22 years, pick ups to class 5 trucks, three diesel cars and at least three tractors. I've run Pennzoil, Ursa and Rotella oils. I've also run diesel oil in my 460, 428, two 360s, and y blocks. In my two current diesel cars the manufacturer is adamant about not using the "older" style oils.

If you follow what is happening in the diesel world you will see the continued use of the words "cleaner" and "less build up". It's being used about engines, fuel and oil. The big thing to make diesel oil cleaner, take out as much ZDDP as possible just like the cars.  I don't know when it will happen, how much will be removed but it will happen because the government wants it and so do the greenies.

Mike Johnson

I'd rather be lucky than good.................

    but good ain't bad!!