I had my block and head at the machine shop. They punched it out sleaved it all new bearings new valves / and guides all new freeze plugs complete rebuild. I got the motor back in the truck and running. I changed my injectors and while doing so noticed some of the rockers I removed were bound up. Pulled all apart polished them all to where they moved on the hold down freely cleaned all oil passageways and ports and reassembled. Fired up the truck and watch the rockers only half are getting oil. Seems like every other set is running dry. Any ideas as to what is causing this out any one have same problem as I am? Truck has plenty of oil pressure too.
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