This is a crate LS 6 7500 miles on it Cammed 613 lift and heads with bronze guides first uoa at 3100 miles on engine 1400 miles on German Castrol 0w30 showed higher copper and iron but was told probably still breaking in by Black stone one year later swapped cam with fresh German Castrol 0w 30 just changed oil with 3000 miles on it sent in sample and it came back with higher cooper, iron and lead than sample did before new cam change. is this new cam causing new break in or is some thing going on. will cam assembly lube cause any of these numbers to rise, car is not tracked just summer driver about 3k per year, here is the lab report, Sorry its the only way I could post it.
10-21-2016
AL: We said last time that, assuming the high metals went away with time, you wouldn’t have anything to
worry about. Unfortunately, iron and copper both increased this time, and now lead is reading high too. We
suspect a problem here, and you may want to investigate before metals get out of hand. We'd hate to see
you spin a bearing. That's where we suspect lead is from, and maybe copper too, though it could be from
other bronze parts. Iron shows wear at steel parts. Silicon is still high, so check air filtration. No fuel or
coolant was present that'd be causing wear.
First column is with cam swap/ this column old set up
3000 miles on oil........1442 miles on oil
7500 miles on engine......3700 miles on engine
This is not on same oil there was one change in between with no sample done still had old cam
Sample Date 3/21/2016 /......10/01/2013
ALUMINUM 5..................... 3
CHROMIUM 3..................... 2
IRON 90....................43
COPPER 101...................62
LEAD 21.....................5
TIN 0.....................6
MOLYBDENUM 6.....................17
NICKEL 3.....................0
magnesium 2.....................1
SILVER 0.....................0
TITANIUM 2.....................1
POTASSIUM 1.....................4
BORON 5.....................13
SILICON 30....................32
SODIUM 4.....................5
CALCIUM 2014..................2009
MAGNESIUM 609...................493
PHOSPHORUS 893...................922
ZINC 1074..................1074
BARIUM 0.....................0
10-21-2016
AL: We said last time that, assuming the high metals went away with time, you wouldn’t have anything to
worry about. Unfortunately, iron and copper both increased this time, and now lead is reading high too. We
suspect a problem here, and you may want to investigate before metals get out of hand. We'd hate to see
you spin a bearing. That's where we suspect lead is from, and maybe copper too, though it could be from
other bronze parts. Iron shows wear at steel parts. Silicon is still high, so check air filtration. No fuel or
coolant was present that'd be causing wear.
First column is with cam swap/ this column old set up
3000 miles on oil........1442 miles on oil
7500 miles on engine......3700 miles on engine
This is not on same oil there was one change in between with no sample done still had old cam
Sample Date 3/21/2016 /......10/01/2013
ALUMINUM 5..................... 3
CHROMIUM 3..................... 2
IRON 90....................43
COPPER 101...................62
LEAD 21.....................5
TIN 0.....................6
MOLYBDENUM 6.....................17
NICKEL 3.....................0
magnesium 2.....................1
SILVER 0.....................0
TITANIUM 2.....................1
POTASSIUM 1.....................4
BORON 5.....................13
SILICON 30....................32
SODIUM 4.....................5
CALCIUM 2014..................2009
MAGNESIUM 609...................493
PHOSPHORUS 893...................922
ZINC 1074..................1074
BARIUM 0.....................0
