Quote:
Originally Posted by ddurham
The lack of anti-wear additives in new oils is probably why elises are now eating the high speed lobes on intake cams since the high speed cam portion of the rocker does not have a roller. They lowered the additive levels to save the cat, but it's ironic that the worn cam causes a high speed misfire that usually wipes out the cat also.
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I'm beginning to feel this is the reason why Lotus USA is recommending the 5W40 instead of the 0W40. Perhaps there is something in the 5W additives that is not in the 0W
