[Chrysler300] 300 F diagnosis and fuel pump pushrod woes

["David Schwandt" <finsruskw@xxxxxxxxxxxxxxx>]

Burnt valve on #3, both compression rings broken on #4, top compression ring
broken on #8

And other than the smoke, it still ran great! 

 

The supposedly hi performance f MoPar Performance fuel pump push rod a lot
of folks were ranting and raving about a few years back is mushroomed on the
pump end.

I bought the new one just for insurance sake back a few years ago when there
was quite a spirited discussion going on about them and installed it along
with a new pump. If I recall correctly, this was just prior to the Branson
meet. Anyway, the old one I took out measured 3.010" at the time and the new
one, MoPar P5249569 mic'd in at 3.023. I could hardly tell the difference.
What a difference 9,000 miles makes!! Now, the fansy schmancy MoPar
"performamce" rod is mashed down to 3.099". I think I'll put the old one
back in.

 

It's off to the machine shop in the morning to get the "rest of the story"

 

Dave Schwandt



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