Quote:
Originally Posted by Swift
So since you got your second engine in with similar oil pressure issues I am going to put out their that I believe that they are clearancing(countersinking) the oil holes to much. The oil then is going behind the bearing and also not properly dispersing on the crankshaft in that area. This is why when you removed the bearing they had those strange markings on them. Do not know how accurate this is as this came from a part-time engine builder whom worked for others not well respected in my area for their level of work. However the theory seems sound in what we are seeing with two engines from the same builder having the same issues that no one else has had.
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Stands to reason the issue is with one of the main components that wouldn't be changed with a rebuild. I also suspect my small gain in oil pressure is from the oil bypass for DOD being capped with this new rebuild. I still feel I am going to have issues with this engine. I have noticed the valvetrain noise is never the same as well. Some days it's quiet, and other (like this morning) sound like they aren't getting any oil. Though some say lifter noises are normal for LS engine with aftermarket heads.
