Reply to "351C lubrication system & lubricants"

noquarterMember

FWIW, here's my pratical experience on two Clevelands. I guess that you could simplify by saying that the external oil line ensures more oil to the bearings at the cost of less to the valve train.

I had put the external oil line on both my Clevelands, proper braided lines though. After a long high speed trip through Germany I had a lifter collapse and a flat lobe on the cam. So my conclusion was that the external line had decreased oil flow to the valvetrain too much, and I've now removed the external line on both my Clevelands. (and put in a new cam and lifters)

I know this is nowhere hear scientific fact, but I think that if your Cleveland is close to original power levels, you don't need the external line, and it may in fact hurt/wear your valve train

7/15/103:39 AM

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