amzoil 5w-30w, when it get's too dirty i change it, but with how few mile's the cobra gets thats about fall anyway's and the car is ready to be put away..... daily's get valvoline dura blend and so far they have been great and start good in the winter....
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Originally posted by jollywrencher View PostIs anyone running non-detergent diesel oils like Rotella 15w40? It's suppose to still have the zinc-phosphate (ZDDP) additves that are being phased out of oil cuz it damages CATs or emissions.. Anyone else have any insight on this? Sounds like if your running a roller cam you don't have to worry though. CI4 or CF4 are the ratings to look for if your running a flat tappet cam.
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