Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help




Go Back   PeachParts Mercedes ShopForum > Technical Information and Support > Vintage Mercedes

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 06-24-2013, 10:22 AM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
M115, are auto and manual different?

I know an m115 is a motor, but for my W115 220 I found a motor in a junkyard but the yard says it is a manual only motor.

Other than bolt pattern on the back of the crank I don't know what would prevent it from being used with an automatic.

The motor is a 1971 and my car is a 1972. Should it work?
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
  #2  
Old 06-24-2013, 10:36 AM
Registered User
 
Join Date: Nov 2004
Location: Dallas, TX
Posts: 4,938
The flywheel will be different
__________________
With best regards

Al

Check out the W114, W115 enthusiast website.
http://www.stroke8.org

http://www.w108.org

Join the Mercedes W108 group
http://autos.groups.yahoo.com/group/mercedesw108/

My 280SL restoration

http://www.w108.org/gallery/albums/a...0959.thumb.jpg
Reply With Quote
  #3  
Old 06-24-2013, 10:38 AM
Registered User
 
Join Date: Feb 2011
Location: Modesto CA
Posts: 2,180
Does the candidate engine have a pilot bearing in the crank that would have to be removed for use with an auto trans? That's the only bolt-up difference I can think of. Carb linkage may be different to accommodate the trans throttle pressure rod.
Reply With Quote
  #4  
Old 06-24-2013, 11:28 AM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
Ill use the flywheel from my auto motor and pull the pilot bearing out of the back of the crank. My car is complete so I've got the linkage and everything on the auto car. The motor in my car starts and runs really well. But has a tremendous rod knock. I know that's an oxymoronic statement lol. But it starts quick and idles smooth, just a lot of metal on metal.



I swapped a 240D to manual (added pilot and changed covers), and then put a manual motor into an auto 240D (pulled the pilot and changed flywheels). So I'm familiar with how to do it, I just wanted to make sure on an M115 crank the auto and manual had the same bolt pattern.
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
  #5  
Old 06-24-2013, 11:44 AM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
Called the parts guy I deal with at the dealership. The catalogue specifies an automatic crankshaft and a manual crankshaft.

On m121s the bolt pattern is different between manual and automatic. This is what I was afraid of
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
  #6  
Old 06-24-2013, 12:08 PM
Registered User
 
Join Date: Jun 2011
Location: Las Vegas, NV
Posts: 347
Quote:
Originally Posted by DieselPaul View Post
Called the parts guy I deal with at the dealership. The catalogue specifies an automatic crankshaft and a manual crankshaft.

On m121s the bolt pattern is different between manual and automatic. This is what I was afraid of
But yours is a M115.

They all have the same 12 blot pattern.
__________________

76 240 D. Bought in 1998 for $25.
85 300D. Got it for free with a bad engine. ( Sold )
60 Unimog 404. What was left of it, was given to me. Now powerd by 617A.
88 560 SEL. Bought without engine and trans. Now powerd by 617A.
67 250 SE. Cuope. For resto or sale.
64 220SE. For resto.
Reply With Quote
  #7  
Old 06-24-2013, 12:27 PM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
I called the dealer regarding 1971 and 1972 m115s and he said the catalogue shows a part number for manual and a part number for automatic.


If you've got first hand knowledge that they are the same, I'd be happy to take your word for it lol, I'm having a heck of a time finding an engine.

Maybe ill call the yard and see if they can send me a pic of the back of the motor.
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
  #8  
Old 06-24-2013, 12:48 PM
Registered User
 
Join Date: Jun 2011
Location: Las Vegas, NV
Posts: 347
I am quite sure that the bolt pattern is the same.
And I am not aware of any differences between manual and auto cranks.
But the parts manual always knows better.

I have a 220 automatic motor still installed in a 115, but I don't know the condition of the engine.

You could email Ralf at www.treffpunkt-strich-8.de

He should know and he speaks English.



__________________

76 240 D. Bought in 1998 for $25.
85 300D. Got it for free with a bad engine. ( Sold )
60 Unimog 404. What was left of it, was given to me. Now powerd by 617A.
88 560 SEL. Bought without engine and trans. Now powerd by 617A.
67 250 SE. Cuope. For resto or sale.
64 220SE. For resto.
Reply With Quote
  #9  
Old 06-24-2013, 02:23 PM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
Ill send him an email this evening, thanks!
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
  #10  
Old 06-24-2013, 03:54 PM
Registered User
 
Join Date: Feb 2011
Location: Modesto CA
Posts: 2,180
DP:

There is a reference in one shop manual to the depth of the centering bore on the front of the flywheel.

Flywheels for manual transmissions have a bore depth of 5mm.
Those for auto transmissions have a bore depth of 6.5mm.

That difference of 1.5mm might appear in the crank hub; the hub of the crank for manual trans' could be 1.5mm shorter. What to do? A spacer ring of 1.5mm thickness would put the face of the crank hub in the same place.

[The same situation appears with M116/117 engines; two different hub thicknesses, and a spacer.]
Reply With Quote
  #11  
Old 07-10-2013, 09:25 AM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,205
So I'm a goof. This works and I should know.

I took a motor out of an automatic 230 sedan, and put it into a manual transmission 230G. Had the motor on a stand and everything to reseal it and do a headgasket. Manual flywheel bolted right up.

It would stand to reason you can go the other direction just as easily.
__________________
Current: 68 280SL, 70 300SEL 3.5, 72 350SL, 72 220, 87 300D, 87 200TD Euro, 90 190E 2.0 Euro, 06 E320 CDI, 72 220D, 72 280SEL 4.5

Ford F250 PSD / Nissan GTR / Celica GTFour / Dodge Dakota / Land Cruiser Diesel / Toyota Soarer GTT / Skyline GTS / Rover Mini

40+ previous Benz's
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 11:08 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2011 Pelican Parts - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page