RE: [Chrysler300] 300C Left Exhaust Manifold
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RE: [Chrysler300] 300C Left Exhaust Manifold

Not directly an answer, but I do not think they ever put truck manifolds on,  except the real factory race packages. I have two sets of them , one is in a C, they hit the driver side control arm area , you have to tilt up engine a bit at that mount and some grinding ; they are quite a good thing though , compared to stock log which is pretty lame , really. As in bad lame. They sure moved on up with 400hp F and J/K ram exhausts. Compared to the stock hemi ‘log” , 51-58 which is full of immediate 90 degree turns right at the port . Add in small diameter pipes on convert especially.


Thank you Rich for the superb paperwork--- the man is good!  Bob Merritt and Mr Holst too,  I do not know the numbers, need it in my hand. Then you get the AHA!


Someone on Ebay is selling stainless 392 headers , block huggers , comes with bolted flange . I bought a set , was very impressed , reasonable  $ and beautiful !!! bought another set , means custom head pipes etc Not sure why they even exist, new in 2017, must be Chinese, but nice. . went 2.5 with those …




From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of 'Rich Barber' c300@xxxxxxx [Chrysler300]
Sent: Sunday, November 12, 2017 5:35 PM
To: 'Ron Waters'; Chrysler300@xxxxxxxxxxxxxxx
Subject: RE: [Chrysler300] 300C Left Exhaust Manifold


The ’55-’58 Parts catalog   (Pages 9-55 & 9-56), lists LH & RH exhaust manifold part numbers for ’57 & ’58 NY’s & Imp’s and a possible mid-year change for the ’58 300D.   The catalog number you have for the LH exhaust manifold is the same as in the catalog.  The RH manifold is 1675932.  Nothing special for the ’57 300C’s.  Similarly, there were only one LH & RH exhaust manifold part numbers for each of the ’55 and ’56 300’s, NY’s and Imp’s.  The part numbers for the possible mid-year change in 1958 are the same for both sides of the LC-3 engine, only:  1536377. 


I have read about, but never seen, truck exhaust manifolds for these hemi’s with four-bolt outlet flanges and, presumably, larger passages.  Pure speculation:  with the lower part number for the ’58 changed manifolds, perhaps they are the earlier truck manifolds???  300C-D experts might want to chime in on the ’58 change.


C76:  ’57 NY

C76-300:  ’57 300C

IM:  ’57 Imperials

LC3: ‘58 NY

LC3-300:  ’58 300D

LY1:  ’58 Imperials




Rich Barber

Brentwood, CA


From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of 'Ron Waters' ronbo97@xxxxxxxxxxx [Chrysler300]
Sent: Sunday, November 12, 2017 6:32 AM
To: Chrysler300@xxxxxxxxxxxxxxx
Subject: [Chrysler300] 300C Left Exhaust Manifold



Is the left exhaust manifold for 1957 Chrysler New Yorker (1674 661) the same for 1957 Chrysler 300C ?





Posted by: "John Grady" <jkg@xxxxxxxxxxxxxxxxx>

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