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  #1  
Old 05-14-2013, 01:04 AM
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Join Date: May 2013
Location: Texas
Posts: 33
1970 W114 250c into 1961 W111 220s

Hi Everyone, I'm a longtime reader/Buyer but just signed up on the forums.

I recently purchased a 1961 220s with a seized Engine.. after trying unsuccessfully to un-seize it i came across a great deal on a 1970 W114 250c
engine (Auto). I purchased it quickly after a little research just because it was a good deal. My W111 Transmission in in great shape, the Auto Flywheel is the same measurements and Teeth. The bolt pattern also..however the holes to mount to the driveshaft are slightly larger on the 250c so i can't use my W111
flywheel (kind of figured).

What's a guy to do? Buy a 1970 manual flywheel (seems like its impossible to find). Any guidance would be appreciated.. I'm pretty mechanical but new to these cars and getting this deep into the mechanics.

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  #2  
Old 05-14-2013, 11:53 AM
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Join Date: Feb 2011
Location: Modesto CA
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1) The replacement engine is a M130.

2) If the flywheel to crankshaft bolt pattern is the same for both engines, and the register diameters and depths are identical, so that the ring gear of the old flywheel will be in the correct place on the M130, then the bolt holes of the old flywheel may be enlarged (drilled and/or reamed) to accept the larger bolts used in the M130 crankshaft. Six in both wheels?
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  #3  
Old 05-14-2013, 01:10 PM
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Thanks for the response Frank.

I took it to a machine shop but they were worried about it being out of balance if they do that. I was pretty sure it was possible because there is a Pin that comes out that seems like its doing a lot of the Centering. Yes, There are six on both wheels.

Any other recommendations on this engine (M130).. it has the double barrel Zeinth Carbs.. the old engine (1961 2.2) has Twin Solex Carbs..Wiki says they are both M130?

Edit: M127 2.2 .. hmm But it takes you to the same M130 page.
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  #4  
Old 05-14-2013, 02:03 PM
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You mentioned a "pin"; is it a dowel in the bolt circle of the M127 flywheel/crank flange? If so, it is to ensure that the flywheel is installed one way. It is not involved in centering of the wheel to the crank. The M130 wheel is centered by a lip on the front face of the wheel that goes over the OD of the bolt flange of the crank. Same for the M127?

If both center the same way, and with the same diameter register, you may then proceed to the matter of balance, but that is a separate operation from centering and attachment. First things first.
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  #5  
Old 05-14-2013, 02:13 PM
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The Dowel is in the same place on BOTH but they are slightly different in lenth (doent seem to interfere) but have the same diameter.

Thanks for the Balance clear up..thats a biggie!
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  #6  
Old 05-14-2013, 04:00 PM
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Once you have the flywheel ready to attach to the crank you can do the required balancing, or, in the case of these engines, the imbalancing.
Do not discard the auto trans flywheel from the M130; you will need it for matching of imbalance of the manual trans wheel.

The amount of imbalance of the flywheel varies from engine to engine, and is unique to each engine's rotating assembly, hence, when a flywheel is exchanged, the replacement wheel must replicate the imbalance of the original.
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  #7  
Old 05-16-2013, 01:21 AM
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Hey Frank,

Thanks for the help.. Here are some pictures if it'll help..





I'm wondering my next steps.. Do i take the whole engine to the machine shop or just the flywheels..

Thanks for the help
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  #8  
Old 05-16-2013, 09:07 AM
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Location: Dallas, TX
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Hmm, this 220S wasn't in a storage unit off reeder rd in Dallas was it?
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Al
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  #9  
Old 05-16-2013, 09:53 AM
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Hey Al, It WAS I've cut out and replaced the floorboards mostly...getting the under carriage shored up. I'm not looking for a Showroom car but more of a Driver.. something to take the cruise to dinner or wine country.

Any help you can provide would be greatly appreciated!
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  #10  
Old 05-16-2013, 12:26 PM
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"I'm wondering my next steps.. Do i take the whole engine to the machine shop or just the flywheels.. "

Just the flywheels; they are to be placed on a common mandrel, facing in the same direction, but clocked 180deg. to each other as determined by the dowel locations. The manual wheel will then have weight removed in the amount and location necessary to bring the two wheel assembly into zero balance. The replacement (manual) wheel will then replicate the imbalance of the original (auto) wheel.
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  #11  
Old 05-16-2013, 01:25 PM
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Location: Dallas, TX
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I'm glad that it found a good home. I know the guy who sold it to you and he's a good guy, but that was an ambitious project for him. If you're local to Dallas, I'd love to see it once you've got it back together.


Quote:
Originally Posted by Chunkyd View Post
Hey Al, It WAS I've cut out and replaced the floorboards mostly...getting the under carriage shored up. I'm not looking for a Showroom car but more of a Driver.. something to take the cruise to dinner or wine country.

Any help you can provide would be greatly appreciated!
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  #12  
Old 05-16-2013, 02:40 PM
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Al,

He is a good guy, I'm hoping to have it running (maybe not top shape) by August. I was going to meet up with Don and have a drink. I'll let you know.. I'd love to glean some knowledge from you also and see your cars.
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  #13  
Old 05-16-2013, 02:45 PM
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Frank - Thanks for the help, So my plan from here is getting the old flywheel reamed so the holes match the bolt size of old flywheel and having the Flywheel imbalanced with the old Auto flywheel.
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  #14  
Old 05-16-2013, 06:53 PM
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Location: Dallas, TX
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Don't forget that we have a get together in Centerville TX on the 1st June. The details are in the events and gathering section. I hope that you can make it.
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With best regards

Al
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  #15  
Old 06-02-2013, 08:07 PM
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Join Date: May 2013
Location: Texas
Posts: 33
Alright guys.. Please help.

I cannot find the Flywheel Bolts for a Manual 1970 250c M130 for ANYTHING.. I was told by a bolt guy they are M12x1.0x20mm (FINE thread). I've order from a website that said it fit the car but the thread was too coarse.

Of all the things to hold up the show! hahah

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