Originally Posted by houston

In comparison to the 17011 the bearing that comes in the p5xlt is subpar , thats the real issue , nova installed these bearings on many of the higher end engines in between the time that they were switching brng manufacturers and were supposed to have the 17011 ,this has caused some issues as the bearing just has a bad sealing capability , it would be a good bearing for a gallon or two at most but would blow oil out and suck dirt in as crankcase pressures ebb and flow in the block . Solution : put 17011 front bearing in your engine , its the best front bearing on the market , no question

Castor oil is good for your engine

Originally Posted by Maxxed-out

I am running the 7mm insert. I will give these recommendations a try.

Thanks for all the help!