[Chrysler300] C-300 Exhaust/ Gas tank sending unit/inside rear-view mirror

[Rich Barber <barber@xxxxxxxxx>]

Jim & All:

I can't help on the proper diameter for a 300-F, but I have been 
wondering about what is the proper tube size for my 1955 C-300.  I just 
had a couple of three chamber Flowmasters installed and the inlet and 
outlet for these were 2", but the tailpipes necked down to 1-7/8".  
Possibly for a little more clearance around the gas tank.  This seemed 
kind of strange.  Can anyone confirm or advise what is correct if this 
is not?

I'm also shopping for a good service and reasonable price on a fuel tank 
sending unit for my 1955 C-300.  Any suggestions on vendors or repair 
shops greatly appreciated.  I bought a 25-Ohm rheostat at Radio Shack 
and used it and some 22-Ohm fixed resistors to determine the instrument 
panel gage was working ok.  Disconnecting the wire to the sending unit 
and inserting the rheostat  and fixed resistors between the wire end and 
ground produced the following:

Resistance to place the needle on the E arrow:  72 Ohms
Resistance to place the needle on the 1/2 tick mark:  35 Ohms
Resistance to place the needle on the F arrow:  10 Ohms

Upon removal, the sending unit appeared to have an open circuit with 
infinite resistance at any position of the float.  The float is stamped 
1 55 and appears to be a date stamp.  So it appears to be original.  The 
cork float appeared to have been coated in black paint or shellac and 
the shellac was gone from the bottom portion of the float that would be 
in the liquid gasoline.  The sending unit was fairly easy to remove.

I also bought an inside rear-view mirror, supposedly from a 1956 
Chrysler.  It has a glare-reduce flipper and a polished stainless steel 
back.  The mirror is the same size as what was on my car, but my car's 
mirror did not have the anti-glare flipper and has a somewhat pitted 
chrome-plated steel back.  The connection between the mirror and bracket 
was different between the two mirrors.  Another 1955 mirror offered had 
a gray-painted steel back.  So--questions:  What year did the anti-glare 
flipper become standard or a factory and/or a dealer-installed option?  
Was the painted-back mirror standard on "lesser" MoPar's in 1955?

I realize I'm detracting from the as-shipped factory condition for the 
car, but current headlight glare seems twice what it was in the good old 
days of 6-Volt yellow light bulbs and my tired old eyes need the relief 
furnished by the anti-glare flipper.  And its easy to change back for 
our judges.

Thanks for any help on these research and development questions.

300ly,

Rich Barber
Brentwood, CA
1955 C-300 (with 2" of gas in a 6" deep tank)


pennsy300@xxxxxxx wrote:

>The exhaust system  diameter for the 300 F is 2 1/2 inches all the way  from 
>the front to the back, right?   McTaggart
>
>
>
>  
>




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