Re: [Chrysler300] 57 'vert mufflers

[lettercars@xxxxxxx]

Hi Larry and All:
Here is the best I can do to answer your question.  According to a  chart 
from Chrysler engineering ("K" -- Muffler Specifications) that I have,  there are 
NO mufflers for any model as short as 9.5 inches in 1957.  The  closest spec 
to the 300C convert listed is the C76 (New Yorker Conv.  Coupe).  For it, the 
front muffler is 15 inches long and the rear 12  inches.  Strangely, the 300C 
CC is not listed.  I would see no reason  why the muffler LENGTHS would be 
different, though.  The D500 coupe and  convertible are both listed, and the 
convertible front muffler is also 15 inches  and the rear 12.  The parts book is 
not any more help on the 300C, as it  just says "except Convert. Coupe".  When 
one looks for this elusive CC, it  is missing.  The AMA specs are even less 
help.
So, Larry, All I can say for sure is that Engineering listed no 9.5  inch 
long muffler for 1957, and when they did show a performance  convertible (D500), 
its front muffler was the same length as the NewYorker  convert.
In fact, All convertible carlines except Imperial have a 15 inch long front  
muffler and a 12 inch long rear.
Soooo, I would say the circumstantial evidence is strong that the 9.5ers  are 
the wrong length.  Glad the system sounds great, though!!
300ly, Gil Cunningham
Cool Tallahasse, FL
 
In a message dated 5/15/2008 8:38:50 PM Eastern Daylight Time,  
JettLarry@xxxxxxx writes:

Several  weeks ago I queried the gang about four mufflers for the 57 C  rag.  
 
The only name brought to the thread was that of Waldron.  I   ordered the 
four 
quieters from them and took them to Midas for  fitment.   They said:  "There 
aren't the same as on your  car.  The rears seem to  be real close but the 
fronts 
are much  smaller than what you have now"  Sure  enough, the two front  
flow-throughs were but 9.5 inches long, several inches  shorter that  the 
previous.  
Then I remembered that I got the first set from   Keplich so who knows what 
they 
sent me.  I had the guys work out  the  shortages with front-loaded 
extensions 
and the new system sounds  REAL nice and  solid.  Graefin's remarkable book 
on 
the C  restoration doesn't tell the  length of the front mufflers.  Any  
chance 
that they should have been 9.5  inches long?

L. Jett,  where it is 102 degrees today in Newark by the Bay.  Waiting  to go 
 
to Reno to cool off....







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