Re: {Chrysler 300} 300 K head question

[John Grady <jkg@xxxxxxxxxxxxxxxxx>]

I think only ford used solid push rods (independent of oiling issue)  ( disaster in 54 Y block , soft steel , they bent ( save some $)  .Recall was 100x as much 

All Chrysler are hollow , push in tips? anyone know to contrary ??weight matters 

On this the best engine builder i know aways uses tips with  holes  even on mopar when oiled at both  ends always has 

He says 1) hurts nothing may help 

2)  avoids tip of ball making point contact in socket — i do notice some push rods  high performance have a flat on top of ball . Ball diameters cannot be perfect touch to socket but close enough 

3) chevy are the ones that wear through their cool rockers       at 80 k even 

 

ymmv  

On Apr 4, 2025, at 12:50 PM, RICK AND DEBBIE CLAPHAM <rixpac@xxxxxxx> wrote:



Oiling diagram. Please note passages in camshaft. R C

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From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> on behalf of John Nowosacki <jsnowosacki@xxxxxxxxx>
Sent: Friday, April 4, 2025 8:56:19 AM
To: ALLAN POZDOL <apozdol@xxxxxxxxxxx>
Cc: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} 300 K head question

 

On the topic of heads, and silly oiling question-  since the pushrods in these engines are solid, and not tubes like in other makes/brands, how does lubrication get on the top of the pushrod that sits in the cup of the pressed steel rocker arms?  That point of the valve train seems higher up than the rocker shaft, so I don't see how gravity would help oil get up there from the rocker shaft, though I can see how some could run down from the rocker shaft to the part of the rocker arm that contacts the end of the valve stem.  Just wondering, or is it that as the arm 'rocks' it does get below the level of the shaft when the valve is closed and the pushrod is at its lowest point?

On Fri, Apr 4, 2025 at 9:21 AM 'ALLAN POZDOL' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:

Hey, can anyone share what are the differences between the 64 K RAM heads and the single cab K heads?

Two different part numbers in the parts book.

RAM part number is 2406 734.

Single carb 2046 732, which is the same for 361 and 383. Nothing in the Archives.

 

Thanks!

 

Al

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