Yeah the Comp lifters have the oil hole, and I do have the correct oil-through pushrods already. Am I stuck using 1.6 rockers, or can I use 1.5 ratio? The only reason I ask is because the 1.6s will increase my lift to .477/.485", and with 1.5s it is .447/.455". The advertised duration is 256/262, and at .050" it is 212/218. The car weighs 4000lbs, and Im running a 2400 converter, 3.21s, headers and 2 1/2" duals. I dont want to have any kind of a rough idle or lose what little bottom end I do have when I need to get this boat moving.