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1
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Henry Magno on Today at 08:00:59 PM »
In the Niemoeller catalog, MB original number 180 016 18 20, may not be the current MB number. Their number is C 01 490. "Not in stock they say. You must use this gasket, you don't have to upgrade the cam. The cam identifier numbers are on the rear end face of the ca, facing the firewall.
2
Postwar 170S / HORN - Renovating...and with questions
« Last post by twigren on March 10, 2019, 04:00:59 PM »
Dear friends,

On my MB170S, the two horns are renovated (in good condition...), BUT sounds terrible.
The adjustment screw on the back, and the center screw in front doesnt really help.
The sound frequency is way too low and sounds more like a buzzer than a horn.
I feel abit stupid, as the mechanics and electronics are very basic...

Any good ideas?

/Thomas


3
Off-Topic / Re: 300 C Carburetor
« Last post by TYPE300 on March 09, 2019, 04:36:49 PM »
Craig is correct twice,....They are 220s carburetors and the circled items are responsible for fuel return. The lower circled item with the arm pointer is attached to the accelerator pump. This sprays fuel with the slightest touch of the accelerator pedal. If the diaphragm within it are dry or cracked,..you will simply have hesitation problems.

The only thing that you should check is the starting aid diaphragm. It's located under the triangular metal piece at the top of the carburetor.

I have the parts if you need them.
4
Off-Topic / Re: 300 C Carburetor
« Last post by CraigS on March 09, 2019, 05:39:44 AM »
I think what you have is a carburetor from a 220s fintail. I am pretty sure that operates as a one way valve on the lead carburetor to prevent fuel flowing back to the tank.
5
Off-Topic / Re: 300 C Carburetor
« Last post by Charles Adamson on March 08, 2019, 11:30:47 PM »
Peter

This was found in group 7.
The picture is at the bottom of this page.

Charles Adamson





































































































































































































































































































































































































































6
Off-Topic / 300 C Carburetor
« Last post by mb53nut on March 08, 2019, 08:07:37 PM »
Hello,

Can someone please help me identify the carburetor part circled in red in the attached pictures? Do you know what it does? I'm missing this part on my carburetor and I have troubles starting in cold weather. Could it be the reason?
I was unable to find it in the Niemoller catalog parts diagram.

Thank you, Peter
7
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on March 07, 2019, 07:57:13 PM »
Henry, I hope you are enjoying Amelia.  Post some photos!  I think what you are saying is that my cam is fine.  There is no "33" stamped on it.  Could it be behind the gear?  The one side (as shown previously) has nothing stamped on the end.  Do you know which gasket (part number) I need?  So do I have a 220 cam?  Or is it a 220a setup?  Mine was replaced then?  Thank you for your invaluable time and information!
8
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Henry Magno on March 06, 2019, 07:49:09 PM »
Sorry I have been away from this forum for a while. I determined what your head is from the cast in numbers between 3 & 4 spark plugs. You posted a picture of it. Yes you have to use the 8.7 gasket. You don't have to use the newer cam, but you might get better performance with it since the valve timing is optimized for the higher compression ratio. The number stamped into the rear end of the cam for the 8.7 is 33. The earliest 220 cams have no number, then 14 followed by 14/1. I think there are more cams than compression ratios as they were fiddling with the valve timing as they went along. These designations are listed either in the 220 manual or the later 180-220SE supplement for the pontons, since the early 220a ponton had a 7.6 head.
I can't look anything up because I'm in Florida for the Amelia concours.
9
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 24, 2019, 04:26:21 PM »
Henry, here is the flap that is not broken...

Yan
10
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 18, 2019, 05:20:24 PM »
I am sure henry is right also.  I wonder if my head is newer with the old cam and old head gasket.  I have no stamp on the right side like you and how the manual describes.  Even the Ponton's had the stamping so until the Classic Center opens tomorrow I will be a little lost...
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