Re: IML: Exhaust for 66

[Chris Hawkins <imperial1966@xxxxxxxxx>]

Resonators are mufflers.  

On '64-'66 sedans and coupes there is a front muffler
under the back seat and and long rear resonator under
the trunk.  Convertibles have a dual exhaust with very
short, flat resonators under the front seat and longer
mufflers under that back seat.  (Dual system necessary
because massive "X" member added to convertible frame
does not allow for a crossover pipe needed for a
single system.)

Although Imperials switched from a dual system to a
single in 1962, I put a dual system on my 66 LeBaron
with two front mufflers and two rear resonators.  Car
is now whisper quiet and seemed to pick up a few HP in
the process over the single system.  

Chris H.

66 LeBaron



--- David Whitney <david.whitney@xxxxxxxxxxxx> wrote:

> The parts book calls both of them "mufflers", and
> they look like mufflers
> to me.  I looked under my '66 Coupe barn find, and
> there's a pair of
> mufflers under there.  In addition, the line drawing
> in the FSM clearly
> shows mufflers.  I think what the factory was trying
> to tell us is when the
> exhaust is done correctly you don't need resonators.
>  If it's too loud,
> something is wrong -- usually leaks or rigid hangers
> transmitting vibration
> to the frame/body.  Then the space behind your
> fender panels resonates like
> a kettle drum.  I suppose in theory you could say
> the second muffler is
> functioning as a resonator, but a muffler by any
> other name smells as sweet
> when it's behind a 440.
> 
> Are you saying it's loud inside the car or outside? 
> Have someone drive
> your car at wide open throttle while you stand on
> the side of the road and
> see if you perceive it as loud.
> 
> -- David
> 
> 
>                                                     
>                                                     
>                                     
>                       Kenyon Wills                  
>                                                     
>                                     
>                       <imperialist1960@xxxxxxx      
>  To:       mailing-list@xxxxxxxxxxxxxxxx            
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>  Subject:  Re: IML: Exhaust for 66                  
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>                       mailing-list-owner@imper      
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>                       ialclub.com                   
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>                       03/31/2005 07:37 PM           
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> 
> 
> first one is a muffler, second a resonator, right?
> 
> ALso, if you're redoing your exhaust, you should
> print
> this out and take to the exhaust place to avoid the
> free-form art that they sometimes practice with
> disasterous results:
> 
>
http://imperialclub.com/Repair/Exhaust/ExhaustBendingDirections/index.htm
> 
> 
> -Kenyon
> 
> 
>
======================================================
> > The factory manual and the part pages on the club
> > web site do not show
> > resonators.  Rather, there are two mufflers per
> pipe
> > (single and dual
> > exhaust both).
> 
> Kenyon Wills
> 
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