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Author Topic: 180 Valve and Cam needed (Pic)  (Read 1743 times)

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Offline chicodave

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180 Valve and Cam needed (Pic)
« on: January 05, 2011, 01:30:51 PM »
Hello,

Newbe here!

I am working on a 1951 170 with a 180 engine.  I need an intake valve, by
any chance are they the same as the diesel valves?  Also, looking for a camshaft, this one is pitted on a
couple lobes. I sent it off to see if its rebuild-able, but i hear that Mercedes cams don't take
welding vary well. Any help is appreciated.   I usually work on Studebakers.  ;)




-Dave
Chico, TX

« Last Edit: November 11, 2011, 04:19:43 PM by Des »

Offline roadster36

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Re: 180 Valve and Cam needed (Pic)
« Reply #1 on: January 05, 2011, 01:43:35 PM »
Hello ,

Diesel valves are not the same
The are a lot longer an thicker

regards Jan

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #2 on: January 05, 2011, 02:14:53 PM »
Good to know,  Thanks for the reply.   

Offline John Ellis

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Re: 180 Valve and Cam needed (Pic)
« Reply #3 on: January 06, 2011, 08:13:59 PM »
Valves and cams for the gasoline M136 engine are available from Niemöller in Germany, the MB Classic Center in Irvine, CA, or your local MB dealer or MB on-line parts distributor.  You will need to know the engine ID number to verify the correct fit (i.e. M136.VI).

One exhaust valve for the M136 engine is part number 136 053 08 05 and is available for $28.13 at one of the MB on-line parts distributors that I checked.  A M136 camshaft PN 181 051 04 11 is available for $232.50.  These are for a specific model 170Vb and may not be the same part number or price for your engine.
John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #4 on: January 07, 2011, 11:25:53 AM »
John,

Here are the engine number

Stamped:  136 925 3502682

Cast: 1810110601
Cast: 14K53


Is the 170vb cam the same as the 180 engine?

Thanks

-Dave

Offline John Ellis

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Re: 180 Valve and Cam needed (Pic)
« Reply #5 on: January 07, 2011, 07:23:42 PM »
According the the MB technical manual the camshaft should be the same for the 170Va, 170Vb, 170S, 170Sb, 170S-V and 180 (version w/ M136 engine) and believe it or not the diesel versions of the same models.  I would call the MB Classic Center in Irvine, CA to confirm.  Talk to Woody at 949.598.4845.

As you probably already know, your engine is correct for an early 180 and it was cast on December 14, 1953.  I would suspect that your 180 has a chassis date in '54.
John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #6 on: January 07, 2011, 09:13:34 PM »

John,

You are my hero!! Can't thank you enough! 

-Dave
Chico, TX

Offline braveman170

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Re: 180 Valve and Cam needed (Pic)
« Reply #7 on: January 08, 2011, 09:05:14 AM »
Hello,

I do not agree.

Camshaft 170Sb:  181 051 04 01 (Kettensteuerung)
Camshaft 170S: 181 051 00 01 or 181 051 03 01 (Zahnsteuerung)

I think that the 170Vb, 170Sb and 170S-V have the same camshaft as the first 180.
These engines also have another type of oil pump and chain driven camshaft.

??


Lars
1953 170Sb W191
1967 250SE W111 Coupé
1994 E320 W124 Convertible

Offline John Ellis

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Re: 180 Valve and Cam needed (Pic)
« Reply #8 on: January 08, 2011, 12:18:59 PM »
Thanks for the correction Lars.  The difference in camshafts was due to the change from timing gears (earlier models) to timing chains (later model versions).  The 170Vb for example was produced with both camshafts because the timing gear change happened during the production run of that model.

I would agree with you that the 180 camshaft should be the same as the 170Vb, 170Sb, and 170S-V models.  But I still suggested that Dave confirm the camshaft part number for his specific engine with the MB Classic Center. 
John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #9 on: January 10, 2011, 11:53:48 AM »
Thank guys for the clearification. 

-Dave

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #10 on: June 27, 2011, 10:12:06 PM »

Just an update. I was not able to find a replacement camshaft. But I was able to get the camshaft repaired at http://www.berrycam.com/ for less than $100 (US).  Looks like new. 

Next problem, when putting the valve springs back in:  I notice 4 springs have an extra washer.  I went though all the pdf manuals and there are not picture of the valve springs from the 180 engine. I am guessing they are to make the intake valves have a higher spring rate.  Anyway I will take some pictures.  May be someone can give me some pointers. 

-Dave
Chico, TX

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #11 on: June 27, 2011, 11:13:44 PM »
Here are the two spring sets side by site.  Now I am thinking the one with the washer should go on the exhaust valves.

« Last Edit: November 11, 2011, 04:20:24 PM by Des »

Offline Charles Adamson

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Re: 180 Valve and Cam needed (Pic)
« Reply #12 on: June 27, 2011, 11:47:12 PM »
What part of Texas?

Offline Henry Magno

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Re: 180 Valve and Cam needed (Pic)
« Reply #13 on: June 28, 2011, 10:38:23 AM »
I don't think the four extra washers are original. I'd check your springs against the specs.

Offline chicodave

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Re: 180 Valve and Cam needed (Pic)
« Reply #14 on: June 28, 2011, 01:17:05 PM »

The engine was rebuilt in the 1970's, might have been a cheep fix. 


Thanks


Dave
Chico, TX  ( North of Fort Worth)