I guess I was miss remembering it was 1265-1575ppm its been a while.
Amsoil high zinc oil:
http://www.amsoil.lube-direct.com/20...nc-oil-amsoil/
AMSOIL High Zinc Oil Recommendations:
Z-ROD™ 10W-30 Synthetic Motor Oil (ZRT)
Phosphorus Level (ppm) 1320
Zinc Level (ppm) 1440
Z-ROD™ 20W-50 Synthetic Motor Oil (ZRF)
Phosphorus Level (ppm) 1320
Zinc Level (ppm) 1440
Premium Protection 10W-40 Synthetic Motor Oil (AMO)
Phosphorus Level (ppm) 1265
Zinc Level (ppm) 1378
Premium Protection 20W-50 Synthetic Motor Oil (ARO)
Phosphorus Level (ppm) 1266
Zinc Level (ppm) 1379
Series 3000 5W-30Synthetic Heavy Duty Diesel Oil (HDD)
Phosphorus Level (ppm) 1266
Zinc Level (ppm) 1379
15W-40 Synthetic HeavyDuty Diesel and Marine Motor Oil (AME)
Phosphorus Level (ppm) 1267
Zinc Level (ppm) 1377
Dominator® 5W-20 Synthetic Racing Oil (RD20)
Phosphorus Level (ppm) 1424
Zinc Level (ppm) 1575
Dominator® 10W-30Synthetic Racing Oil (RD30)
Phosphorus Level (ppm) 1424
Zinc Level (ppm) 1575
Dominator® 15W-50Synthetic Racing Oil (RD50)
Phosphorus Level (ppm) 1424
Zinc Level (ppm) 1575
SAE 60 Super Heavy Weight Synthetic Racing Oil (AHR)
Phosphorus Level (ppm) 1265
Zinc Level (ppm) 1375
I hope this helps I added the link above to show where I got my info.
Mike