Go online to: http://www.jholst.net/64-parts-manual/engine-8.pdf Scroll down to Page 9-28 For the picture. While not detailed, the brackets are bolted to the bottom of the block using two extra-long cap screws with spacers or washers under the heads of the capscrews to space out past the rolled-up edge of the steel pan. That rolled-up/stamped -up edge may properly be referred to as the flange portion of the oil pan. Then one bolt through the outer end of the bracket into the base of the exhaust manifold. Spacers or washers would be used to assure a slight upward pressure of the bracket when everything is cold and bolted up. Same on both sides.
Then, scroll down to Page 9-45 to see the brackets and spacers described and their part numbers. Items 9-48-77 and 9-48-86. The brackets help support the front end of the exhaust system so that all the weight and dynamic loading does not hang on the manifold-to-block studs and flanges.
The rest of the exhaust section may be viewed at: http://www.jholst.net/64-parts-manual/exhaust.pdf Scroll down to Page 9-25 to view the 300K ram exhaust system from the exhaust manifold back. Scroll down further to view the descriptions and part numbers for all components.
My friend John Holst’s most excellent website provides letter-car owners with Service Manuals and Parts Catalogs online at: http://www.jholst.net/
Let your fingers do the clicking, beginning with Chrysler 300 resources. Manuals, catalogs, paint data and many other items of interest and importance will be found there. The site is open to the public so your mechanic or other MoPar owner of the letter-car era may address the site and possibly find information on service and parts. Now, finding those parts is the challenge, but if you have a picture and a part number, you are ahead of the game. Thanks to John for creating and populating his own personal website.
From: Anna F Noia [mailto:sa-noia@xxxxxxxxxxx]
Sent: Monday, February 06, 2017 12:27 PM
To: Rich Barber <c300@xxxxxxx>; 'David Schwandt' <finsruskw@xxxxxxxxxxxxxxx>; 'Dave Dumais' <dave.dumais@xxxxxxxxx>; 'Chrysler 300 List' <chrysler300@xxxxxxxxxxxxxxx>; 'Allan' <agmoon@xxxxxxxxx>
Subject: Re: [Chrysler300] 64 tailpipe brackets
Can someone send me a link or a copy of the Parts Book pages referenced for this bracket, Please. From the description, from the "Oil pan bolts" it sounds like it uses the "flange bolts" holding the exhaust pipe to the manifold, a picture is well worth a thousand words. All assistance is GREATLY Appreciated. Thanks in advance.
Stephen A. Noia
Thanks for your post. I stand corrected. Good point about the brackets that support the exhaust manifolds on the J’s & K’s. Properly installed, they take some of the stress from the connections to the block. In the 1964 Parts catalog: Page 9-25 (Picture) and 9-45 (Description) for Items 9-48-77 and 9-48-86—Brackets and spacers. If spacers are lost, flat washers should work just fine.
Regarding the J-K header supports.
There are 2 support plates mounted to 2 of the oil pan bolts on either side.
Longer bolts and flat washers needed to clear the flange on the oil pan.
They extend out and upwards somewhat and have 2 slight bends in each to compensate for the higher location of the mounting boss in/on the lower/main header pipe.
Pictured on page 9-8 of the ’63 master parts book part type code 9-48-77 part #2202-426, 2 required
Ironic the last 3 digits, huh, “426”
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of 'Rich Barber' c300@xxxxxxx [Chrysler300]
Sent: Monday, February 06, 2017 12:44 PM
To: 'Anna F Noia'; 'Dave Dumais'; 'Chrysler 300 List'; 'Allan'
Subject: RE: [Chrysler300] 64 tailpipe brackets
The 1964 Parts and Service manuals don’t seem to show any supports for the exhaust system other than at the muffler’s outlets and at the end of the tailpipe. Apparently, the supports at the rear of the mufflers are attached to brackets fastened to the bottom of the floor pan. If additional supports are common, are there any details on best practice and location? Supports similar to those at the rear of the mufflers could be added to reinforce and support the joints at the muffler inlets. Provision for thermal growth and engine oscillations and vibrations would be required.
1959-1962 ram-engine exhaust and header pipes had varying degrees of support between the exhaust manifolds and the muffler inlets. It would appear that Chrysler engineers felt that the big cast-iron exhaust headers on the J & K engines would adequately support the front end of the exhaust system. A glance at the ’70 hemi exhaust system shows the first support is also at the mufflers’ outlets.
That said, I’m having to deal with a ram-K exhaust header with one of the four bolt holes torn out. There was not that much “meat” around the bolt holes. No telling how it was damaged but it looks like an installation or removal error.
Brentwood CA (rainy & warm)
1964 300K Ram Convertible
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Anna F Noia sa-noia@xxxxxxxxxxx [Chrysler300]
Sent: Monday, February 06, 2017 6:59 AM
To: Dave Dumais <dave.dumais@xxxxxxxxx>; Chrysler 300 List <chrysler300@xxxxxxxxxxxxxxx>; Allan <agmoon@xxxxxxxxx>
Subject: Re: [Chrysler300] 64 tailpipe brackets
Dave, 300 List
The long exhaust manifolds for the Short long ram, require support to hold up the exhaust pipe. If installing the pipe without proper support, the four bolt flange at the connection can break, from what I've heard somewhat easily. Can anyone send a picture of these supports for the exhaust / tailpipe "Installed", and possibly a dimensioned sketch, with mounting points. Any assistance is Greatly appreciated! I think this question fits in this "64 Tailpipe brackets" string, Thanks again!
Stephen A. Noia
On Sunday, February 5, 2017 12:03 PM, "Dave Dumais dave.dumais@xxxxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
Thanks for all the support on the K tail pipe hangers.
I found them as B body, the rubber straps need to measure up to your pipe.
From Accurate Exhaust, in the state of Oregon.
And this is the last I'll say about them.
Dave in VA.
[Non-text portions of this message have been removed]
Posted by: "Rich Barber" <c300@xxxxxxx>
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