Pushrod cup ends turning blue
Did you recall seeing a lot of oil out the pushrods at the adjuster? Because that method provides 100% oiling I would think you would have seen a boatload running down the pushrods as the pressure came up.
I did not. I thought maybe the lifter location in the lifter bores or lifter internal design had an effect on whether the lifters were allowing oil to the pushrods or not. School me on this...should oil have been leaving the tops of the pushrods regardless of lifter position in the block/regardless of whether the lifter was preloaded or not?? I preoiled with the intake manifold OFF, so everything was visible.
I install my hyd lifters with the internal piston "dry" not presoaked in oil, to reduce the valve lift on start-up and initial cam lobe breakin.....is this a mistake, or only has an effect on oiling thru pushrods?
I could not think of a way to fill the rocker shafts with oil, so I moly lubed the shafts and rocker arms. There is no scuffing or such on either the shafts or rocker arms. Maybe I'm too used to my old Ford 428 were a constant flow of oil is sent to the rocker shafts regardless of camshaft clocking.
When I took the rocker shafts off and found the color problem, all the pushrod cups were wet with oil, so I'm thinking it was an initial start up issue...
Just the other day, before finding the pushrod color, the lastest road test was 80mph+ (100 mph at times) for 2 hours solid....Idaho has 80 mph speed limit now...its great. thats 3500+ rpm for 2 hours...no issues...the engine/ebody hummed along wanting me to go faster.
Let me know what you think...things I should change or improve. I appreciate it.
