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The discussion as to oil weight and its incremental impact on quieting down lifter cartridge noise reminds me of the endless transmission discussions where the synchros are worn out and a circular debate about the best gear lubricant ensues with passion where any of the proposed lubricants would probably work fine if the synchros were not worn out in the first place.
Take it for a long drive and warm it up, then report back. Sometimes after mine sits for a month or so, it has a somewhat loud ticking that stays until its all warmed up. Then it goes away completely and purrs like a kitten....
If it's been sitting, could be hyd lifters have drained and the car needs to be driven?
Drove her to work and back today and she purrs like a kitten. Thanks to all who chimed in...
Thanks,
...at this point, who knows for sure? Care to draw your own conclusions?