Originally Posted by
RedHeartbeat
I don't believe that is even possible. Do you know what PN and brand of bearings you put in there? There are two sizes, one for 2004 and earlier and the other for 2005 and later, if I remember correctly. They will not interchange is what I was told by my builder. Do you heads have all 10 head bolts the same length or are the two outer ones under the valve cover shorter? You can check to see if the pump is working properly by making an aluminum block off plate to go between the oil pan and the return plate that is above the oil filter. Drill a hole in the block off plate so that oil can enter the return cover (front hole) and tap the cover for a manual gauge. Pull all the plugs out and disconnect the fuse to the injectors or just disconnect them. Get someone to crank the engine until you start showing oil pressure. I actually started my old engine for a few seconds and it had 60 psi of oil pressure. When I removed the cover and put it back to normal I only had 15 psi, with 20w50 oil! While assembling my rebuilt engine I noticed my cam retainer plate had a cut in the silicone so I replaced it. Same engine that had 15 psi with 20w50 now has 60 with 5w30. Inside your oil pan by the oil filter, does your pan have a pressure relief valve built into it like the new pans do?
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