RE: [Chrysler300] 300H Fuel problem - answer

[Mark Souders <souders@xxxx>]

Good Morning Group,
I managed to get the push rod out last night without much difficulty. I
used a wood chisel to pry it out. After a small burr cleared the hole, it
came right out. It was worn down by about 1/4 inch from the top of the rod.
I pulled a valve cover and found out why the rod was worn. There was no oil
on top of the engine. This explains the lifter chatter, too. I pulled the
rods and lifters and there is no visible signs of excessive wear, as a
matter of fact, there are no signs of any wear except on that push rod. So
in addition to needing a pump push rod, looks like I'm gonna need a new oil
pump too. I'm going to check the Rockwell on the push rod, does anyone know
what the spec is for hardness of the rod? 
Thanks for all the advice and tips,
Mark Souders


> -----Original Message-----
> From:	elmer tuuri [SMTP:eltuuri@xxxx]
> Sent:	Tuesday, May 20, 2003 10:20 PM
> To:	crossram@xxxx; Chrysler300@xxxxxxxxxxxxxxx
> Subject:	Re: [Chrysler300] 300H Fuel problem - answer
> 
> Does a worn pushrod make noise [knock]? We diagnosed with a stethescope a 
> noise coming from
> fuel pump-- no noticeable loss of power. I had a 55 ford once [in late
> 50's] 
> Seemed to be same
> problem-- changed pump- noise gone. Ordered new pump. Should check pushrod
> 
> too I guess
> 78 NY -400
> Elmer Tuuri
> 
> 
> 
> >From: John Hertog <crossram@xxxx>
> >To: Doug Warrener <dwarrener@xxxx>, Chrysler300@xxxxxxxxxxxxxxx
> >Subject: [Chrysler300] 300H Fuel problem - answer
> >Date: Mon, 19 May 2003 16:21:11 -0400
> >
> >To all, re fuel pump problems:
> >
> >It is not tremendously hard to hook up a fuel pressure gauge,
> temporarily,
> >in-line, and drive the car while observing the gauge. Loss of pressure at
> >higher RPM's under load will certainly pinpoint the problem to a fuel
> >starvation issue, and save lots of diagnostics time. Other starvation 
> >causes
> >can be a clogged fuel sock in the tank pickup, as well as rusty lines, or
> >(let's not overlook the obvious) a clogged filter ! Blowing some
> compressed
> >air back into the fuel line BEFORE the fuel pump (WITH GAS CAP OFF!!!)
> >should eliminate blockages and unclog the sock to some degree. Don't go
> >nuts with the air pressure !
> >
> >While not "original", an electric fuel pump is a wonderful addition to
> any
> >car.. I have one in my 300G convert, and it makes starting the car a
> snap,
> >especially after it has been sitting for weeks or months. It probably
> saves
> >a lot of wear and tear on starter, and other components. The car does not
> >have a regular fuel pump; it does have an in-line fuel pressure
> regulator,
> >though !
> >
> >Summit Racing's Fuel Pressure regulator, or some similar item, should be
> >used with any electric fuel pump. There are many different types, 
> >adjustable
> >from 3 psi to 12 psi. Cost is as low as $34 bucks. Check out Summit's #
> >SUM-G3131 at
> >
> >
> <http://store.summitracing.com/default.asp?target=search.asp&type=bysummit
> par>
> >t&searchtype=both&part=SUM-G3131
> >
> >With regards to Mark's problem - when there is a will, there is a way,
> you
> >should be able to get that sucker out, even if it is somewhat mushroomed,
> >and even though the clearances are relatively close where the rod goes
> >through the block. It certainly is an indication that something is wrong
> 
> >in
> >that the rod refuses to come out !
> >
> >John Hertog
> >Sag Harbor NY
> >
> 
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