RE: {Chrysler 300} 300J/300K ram heat riser pipes

John-

This is my 61 Savoy. We used off the shelf C body headers. We cut them up into many pieces and welded them back together to fit. It was a lot of work. It left us with no way to route the pushbutton shift cable to the transmission given the headers. So we terminated a B&M shift cable at a bracket, transitioned to a rod to pass in-between the header tubes that connects to the 727 with modified shift spring. As to manifold brackets I didn’t want to chance stressing the mounting points on the RAMS, it may not need it but it was not difficult to do.

Danny Plotkin

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx [mailto:chrysler-300-club-international@xxxxxxxxxxxxxxxx] On Behalf Of John Grady
Sent: Monday, July 15, 2024 8:29 AM
To: dplotkin <dplotkin@xxxxxxxxxxxxxxxxxxx>
Cc: chrysler 300 club <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} 300J/300K ram heat riser pipes

hi Dan

i have a plan like that on an F —I contacted TTI their headers are listed for 62 up C body ( odd way to put it) but they say they have no experience with 60-61 “ don’t know “ “ never did it”

To me , identical side space , 60-61 larger if anything lengthwise , changes there are quite involved and you have to think about it , as engine is in same place re body firewall , ( which is the same ) yet some ?4” less wheelbase so control arms have to be moved back on stub frame . That tightens up header clearance a lot at control arm . . And steering box . There also may be some kind of major change in steering box mount to frame , 60-61 mount to side of frame in lwb at least ,? swb?

but somewhere around 62 or 63 up K frame is used too .

Anyone know when this happened ? after market steering guys ( Borgeson) do not support 61 back , but seem to support 62 ? Talking to them went no where

i would like to put TTI headers listed for 62 in a 60 , unless there is another path ?

I do not think end of ram manifolds need any support . look at size of that casting many bolts to head . Have never seen one break . . It is thicker metal than 727 torque flite case ., Function of heat tubes is heat . Water cooled ones ( 405 ) did not have support ? not sure of that though . Can’t hurt but not needed imho .

Did you use commercial headers ? stock ram log manifold is truly restrictive , why 405 J K and max wedge have what they have . … has to be 20-25 hp better

Thanks,

John

On Jul 15, 2024, at 8:00 AM, dplotkin <dplotkin@xxxxxxxxxxxxxxxxxxx> wrote:

Nick, if you look carefully at the attached photo you will see an exhaust clamp that I refabricated to use as a support for the Ram manifold. I built custom headers for this car so I had a similar issue.

Danny Plotkin

Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------
From: Nick Taylor <nicksgaragesd@xxxxxxxxx>
Date: 7/15/24 12:14 AM (GMT-05:00)
To: Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: {Chrysler 300} 300J/300K ram heat riser pipes

Bit by bit, I'm getting the parts back for my ram 300K. A few days ago, the previous owner agreed to sell me the original engine. No ram parts though but there is still hope.

One thing I didn't see in the parts he got with the car originally were the heat riser pipes that go from the exhaust headers to the intakes. I see that they aren't available although a club member had them made in the past. A new friend with a 300J needs them as well.

If you can't get them, do you just block off the ports and do without? I know they also provide some support for the intake manifolds so that might not be a viable option. I contacted a couple exhaust places and they can't try to make them without examples. The bending templates they use to make exhaust systems don't exist for the heat risers.

Thanks for any feedback.

Nick
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