Howdy,



Looks like you got a double post!



Just using and changing any modern oil will prevent "build up"



"Build-up" is really a thing of the past with todays oils and the frequency that we all change it....





Cheers,





Rick








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1955 F-600/272/E4OD// Disclaimer: No animals were injured while test driving my F-600 except the ones I ran over intentionally!

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This post was created using OpenSuSE Linux x64 and Firefox

Red Stake:

Since that slot is not the smallest passage in the oil path, enlarging and smoothing it will not really help the flow.  But if it eases your mind, go ahead and do it.  Won't hurt anything.

John - "The Hoosier Hurricane"

Some y block articles in the past reccomended smoothing with a grinder & chamfering the actual hole a bit. Does this provide any help at least in prevention of build up?