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21
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 18, 2019, 02:02:21 PM »
Scott,

my gasket and the one on the link I put up look identical.  Here are some photos of the one side of the crank.  The other side was still covered.  Scott, it is identical to your gasket on the bottom of the top photo or the one
not in the packaging.  (or the headgasket-3 photo of yours - the top gasket is mine.)

And here is a guy selling a cam from a 53 Mercedes with a June of 52 stamping. 
https://www.ebay.com/itm/1953-Mercedes-Benz-W187-Camshaft-Cam-Shaft-6-cylinder-six/223299491967?epid=1834169563&hash=item33fdafd87f:g:UtkAAOSw4otcI97O:sc:USPSPriority!12486!US!-1:rk:1:pf:0
22
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Scott Montoney on February 18, 2019, 01:50:56 PM »

1) On the cam, are there any stamps on the end of the shaft that would be toward the firewall?

2) I can tell from your photo that the head gasket shown, is for the original low compression head. I would not be surprised that it is not available.  If you get the correct part number for the gasket for your head, you might find it available.
23
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 18, 2019, 01:24:58 PM »
Ok, so here are some photos from the machine shop.  I have camshaft 1800510401 but it is stamped 22 7 52 so it was stamped with July 22, 1952 which is in line with my car.  They did not produce the 220s Ponton 6 cylinder sedans until 1954.  Was it an early option for my car?  Which head gasket kit do I need?  When I view:  https://www.niemoeller.de/en/w187/w187/B010/2/c01491-zylinderk-dicht-e-6-7zyl-d-80mm

It appears to be the exact same head gasket.

24
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 18, 2019, 09:05:14 AM »
Henry, Is my head not original to the car?

Here are photos of the flap and parts:

25
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Henry Magno on February 18, 2019, 08:44:50 AM »
Your head is the last version, 8.7 head used on the 220 S. It's fine to have this, but you may be buying sodium filled exhaust valves for this. This should be matched with the correct cam "33" stamped on the back to optimize but it may not matter.

The sprockets and chain are available from different sources. I ordered a tensioner sprocket from Niemoeller and I send it back because the bore was too small and the teeth looked a bit narrow, so I would stick with the branded parts like SWAG, Febi. They said that I could get an MB gear now, but if the Classic Center doesn't have them maybe not. I could have opened out the bore a little and used it, but we shouldn't have to do work on new parts to get them to fit.

The oil pump is a problem. I have used a 220 S aftermarket pump and swapped the lower case, but these may be out of production too.

Make sure your machinist completely installs the bearings and measures the bores before machining the crank. I recently bought bearings from Mercedes for a 190 SL, and they were too large! The machinist was able to machine the crank to the ID of the bearings but it was so close that he almost couldn't meet the clearance spec. They are getting new production bearings from who knows where. Also the oil holes in the rod bearings were not in the right place, and had to be drilled. I think this was a case of bearings that were made for two different applications, the old bearings had two sets of holes, the new only one.

By the way, I've been soaking the screws on some heater boxes with the hope they may come apart to salvage the flaps. One side of the flaps has a square end where the lever goes. Is yours like that? If not you may need two flaps.
26
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Scott Montoney on February 17, 2019, 12:46:29 PM »
I suspect that the part number is just for the bare aluminum casting, and not an orderable part.  I believe the official part number for the head is after it has the valve seats, and maybe guides installed.
Yes, maybe the Classic Center can help.
27
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 17, 2019, 12:33:09 PM »
Thank you Scott and will do the same.  Still can't find much on my head with that part number 1800160401

Hopefully, the classic center will have an answer.

I checked your engine rebuild pages and Henry mentioned a couple of piston companies in CA:

"When you know your crank bearing sizes, then check around. This will be your hardest part. You can look for pistons or have them made by Venolia or Arias in CA. This is cost effective unless you get a bargain on the pistons. I had 170 pistons made by Arias I think. These are better than original as they are forged.

Check your wrist pin size. If it is still 22mm you should round up some later 24 mm rods, since it's easier to find those pistons. If you are making pistons this won't matter."

VENOLIA went out of business last month.  Is it better to use them (such as Arias) or Niemoller or another company?
28
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Scott Montoney on February 17, 2019, 12:21:37 PM »
From similar conversations on this forum, I believe the consensus is that the Block, Side plates, should be black (I use satin).
The aluminum parts, oil pan, head, valve cover, are left unpainted/natural.  (I used a high temp, satin clear on my oil pan and valve cover.  I think it helps seal the aluminum and make it easier to keep the engine clean.)
Hopefully others will also comment. 
29
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by yan2947 on February 17, 2019, 08:46:49 AM »
Two side shots of my motor:

What should be painted?  Side covers?  Block?  Color?  Thanks!
30
220 / Re: 1952 220 Sedan W187 build restoration
« Last post by Scott Montoney on February 16, 2019, 08:31:05 PM »
I don't know.  It's different than mine.
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