Check out the new PDS for the Esso XD-3 oils - all the oils, EXCEPT the 'older' 15W-40, have been re-formulated with 1200ppm zinc, and abot 2300ppm calcium. TBN has dropped accordingly, and is now ONLY around 7 or 8 for all oils, except for the 'old' 15W-40:
http://www.esso.ca/Canada-English/Files/Products_Lubes/IOCAENCVLESEsso_Xd-3_extra.pdf
And, as we saw in another post, to go with this change in product, the price has gone up about by about 50%.....
Oh well, I guess it was good while it lasted...never got a chance to try the 'strong stuff'.....
http://www.esso.ca/Canada-English/Files/Products_Lubes/IOCAENCVLESEsso_Xd-3_extra.pdf
And, as we saw in another post, to go with this change in product, the price has gone up about by about 50%.....
Oh well, I guess it was good while it lasted...never got a chance to try the 'strong stuff'.....