Originally Posted by RamTech
Would you take a chance on a $600+ repair to save a few bucks on additive? Me neither.
No. But if I knew for certain that the lube already had it I wouldn't add more. That's why I went and bought a bottle today. The recommended dosage is 2-5% of the total volume so you could apparently overdo it. I'll make sure the lube I buy is not the "no additives needed" kind.