Quote:
Originally Posted by i82much
do any of these oils have an advantage over the M1 0w-40 full synthetic euro oil? Seems like the 0w-40 has plenty of zddp, flows quicker on cold starts, and is plenty thick at full operating temps.
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I’m with i82much on the Mobil 0w40 . Oil pressure and valve train noise with it were great in my HR 400 . BUT the new SP formula lowered the ZDDP slightly . It dropped the phosphorus another 100ppm or so and I’m so brainwashed even with a roller cam , I don’t sleep well on it lol so I broke down bought a case of Amsoil Zrod
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When I wore a younger man's clothes