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[sadunbar]

So, I pulled the front rocker box to check for rocker box - valve spring retainer interference - which I found and corrected by grinding clearance on the side wall of the rocker box.

What I did not expect to find - and am not sure what to make of - is the front pushrod is a dark color - almost blue (heat like color) in color.  The rear pushrod looked as I would expect it to.  Attached are a couple of pictures.  Both pushrods had oil flow thru them and I saw nothing I would expect to cause heat.  Any thoughts?

Scott

[sadunbar]

another picture

[Shovelhead Bob]

Clean is intake.... Hence the shiny one

Dirty is exhaust.... Hence the dark one

It is in the service manual.....

[sadunbar]

Clean is intake.... Hence the shiny one

Dirty is exhaust.... Hence the dark one

It is in the service manual.....

ok....that makes sense...thanks

[evilroadking]

with all these motor problems, i would have been in panic mode too.