Quote:
Originally Posted by XMetal
I would monitor it a few more times to see some type of trend before proceeding. 11ppm actually isn't that bad. I would be ecstatic had I gotten 11ppm for my 1st analysis. Copper is still very low...so I think that's a good sign. My 1st analysis showed 20ppm lead (on a 6k mile interval) and I only got 28k miles on the motor with no track use. Are you using TWS? I'm thinking about changing to something other than TWS to see if my lead would improve. I figured that since I'll need bearings anyway...mind as well do some experimenting.
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Thanks for your perspective. Is copper combined with lead usually the telltale sign of bad bearings? Yes I use Castrol 10w60 religiously. Car saw no abuse/track use last year either. What are your lead and copper levels now?