Best SAE40 Engine Oil?

[userfriendly]

Petro-Canada Duron SAE40
KV40C 131
KV100C 14.4
HTHS 4.3
Flash/C 261
VI 109
PP/C -30
TBN 7.9
SA 1.0
P 1100
Z 1200

http://lubricants.petro-canada.ca/pdf/petro-Canada_lubricants_2016_handbook_english.pdf

 

[BrocLuno]

Nice

 

[userfriendly]

Hockey, fishing, beer, motorcycles 'n SAE 40 all in one thread.
(Maybe M1 15W50 is just an old concept kept alive in the Corvette forums.)
Duron 40 is up a little in base number and flash point from a year ago. HTHS is now >4.2