RE: {Chrysler 300} The Original Problem

Thank you Bob:

These pipes are the same version as mine. In both pictures, I believe one of the pipes needs to be spun 180 degrees to depict them as they would be on the engine . front to front and back to back. Also, in picture 300-1, you can see the hold down clamps that are mounted on the rear valley cover hold down bar. I think that the bottom pipe is the driver’s side pipe and the clamp is at the wrong end.

Thanks Again

bill

From: Bob Jasinski <rpjasin@xxxxxxxxxxx>
Sent: July 14, 2023 6:24 PM
To: 'Ray Jones' <1970hurst@xxxxxxxxx>; 'william ELDER' <belder@xxxxxxxxx>
Cc: 'Chrysler 300 Club International' <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: RE: {Chrysler 300} The Original Problem

I don’t know if these will be of help or not, but attached is a picture of an original pair of copper tubes from a 300G.

Bob J

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Ray Jones
Sent: Thursday, July 13, 2023 4:49 PM
To: william ELDER <belder@xxxxxxxxx>
Cc: Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>; Ray Jones <1970hurst@xxxxxxxxx>
Subject: Re: {Chrysler 300} The Original Problem

Bill;

All due respect, what you are proposing is wrong. So, if you are gonna be wrong, you might as well cut the pipe near the back, solder a coupler on and solder the end on pointing to where you need it. It will look more natural, NOBODY will notice the splice, and you can move on.

Let us know how it turns out, and if you solve the mystery.

Ray

On Thu, Jul 13, 2023 at 6:03 PM william ELDER <belder@xxxxxxxxx> wrote:

Guys:

Somehow, my original problem concerning engines with the copper heat tubes under the rams got side tracked. So here is the original problem, which concerns engines built with these pipes. The driver’s side pipe and the orientation of that pipe at the rear of the engine has two different configurations. George Hiller and I have pipes, where the segment of the pipe that connects to the heater box is straight up and down, 12 o-clock. Jean-Yves’ engine and Bob Merritt’s engine have pipes where the rear segment of the pipe points towards the brake booster, say the two o-clock position. The straight up and down position creates a problem. The heater hose must immediately bend 90 degrees then do a loop up to the heater box. This results in restricted coolant flow, because the hose can’t achieve these bends without being pinched off.

So who can say why there are two versions, was there an engineering change, was there a vendor change? It’s obvious that the pipes that point towards the brake booster are the better version. Here is my solution to the problem. I purchased a hose with a preformed 90 degree bend and a brass connector and used these pieces to connect to a piece of 5/8 power steering return line. Even with the brass connector heading close to the correct direction, I found that the regular heater hose wanted to flatten out, while bending up to the heater box. The power steering return hose has a more robust side wall and resists flattening out and pinching off. If you are interested in this subject, could you please look at the orientation of the driver’s side pipe on your car, let me know if it is 12 or 2 and your engine build date. Mine is March 22.

If your engine did not come with the copper pipes, I would defer to the hose routing on Gill’s convertible. See the pictures that Noel posted today.

300ly
bill

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Ray Jones. Y'all come on down an see us. Ya hear?

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