69'Net
Well-Known Member
I recently rebuilt my 440, engine has stealth heads, comp lifters, comp cam, and stock stamped rockers. I did the cam break in without much trouble. Drove the car for about 10 min. Parked it and all of a sudden got a bunch of valve train noise. When I run the rpms up, it stops. I pulled the valve cover, the rocker bolts are tight. I set the preload at 0.070", by using a length checker and buying push rods that fell between 0.020"-0.080" recommended by comp. The rockers are slightly loose, you can move them side to side. And I can push some of the lifters in by hand, like they aren't pumped up. I didn't soak them first, but they should be pumped up after running awhile. I'm certain that's the issue. I primed the engine before I started it. What should my next step be?