Zinc Rich Oil for Flat Tappet Cams

70aarcuda said
Where to Buy ZDDP Oil Additive Performance Solution - ZDDP Plus

add this to any 5 qts of oil you are good to go.....

Years ago a member on here was selling ZDDP by the case at a really good price. Bought 3 cases. Gave one case to my engine builder friend and I still have about a case and a half left.