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  #16  
Old 10-13-2010, 02:02 PM
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Quote:
Originally Posted by lutzTD View Post
no worries on the part number, it is obvious when you look at the part. the ring of material on the outside is much larger on the 300D flywheel than the 240D flywheel. you can spot the 300D part from 20ft away...
You're absolutely correct!


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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #17  
Old 10-13-2010, 04:57 PM
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Quote:
Originally Posted by lutzTD View Post
no worries on the part number, it is obvious when you look at the part. the ring of material on the outside is much larger on the 300D flywheel than the 240D flywheel. you can spot the 300D part from 20ft away
.
The first thing i did when i got home was compare it to a 240D flywheel. I then weighed it to double check. It is a heavy sucker! You are right, the difference is pretty obvious. I am glad i created this thread, it clears up some some of the mystery about the part number. There is very little info anywhere about it.
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  #18  
Old 10-13-2010, 06:38 PM
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Quote:
Originally Posted by lutzTD View Post

I have never had any luck with the classic center, if they even suspect you are trying to modify a US spec car to euro they clam up and stop answering emails and calls.
Really? That is very interesting info because after I picked up my flywheel I made some mention of the project and since then it's been cold shoulder, shut out, nothing. Previously it had been warm and fuzzy.

Guess I said the magic words...

KenB
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  #19  
Old 10-13-2010, 09:38 PM
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I think it could be easily modified

I think the additional ring could be machined and "schrunk fit" to the 240D flywheel. I would ask Spamman to post the weight diferences and to provide close measurement of the additional part of that rim in both length and width. To shrink fit an additional 2 inch by 3/4 inch machined steel ring to the outside diameter could be quite less costly then buying a new flywheel.
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1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

2003 Jaguar Type X, AWD. beautiful, good mileage,
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  #20  
Old 10-13-2010, 09:41 PM
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I never mentioned anything with the regard of using a 300D flywheel on anything else. When I inquired, all I said I was looking for a replacement flywheel for a Euro-model with a stick. They looked it up, said it was unavailable and didn't they seem to care that I "needed" one.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #21  
Old 10-13-2010, 09:54 PM
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The 300gd fw is available I have one in my car.
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  #22  
Old 10-13-2010, 10:00 PM
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240 fw is 28#, 300 is 38.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #23  
Old 10-13-2010, 10:26 PM
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Quote:
Originally Posted by winmutt View Post
The 300gd fw is available I have one in my car.
From what I recall, the GD flywheel uses a bigger clutch than the 240 and 300 automobile versions.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #24  
Old 10-14-2010, 01:04 AM
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I checked a few months a go with the local dealer and both the G and 300D flywheel were available - $650 and $750 respectively. I bought one from a local wrecking yard that specializes in Mercedes for $125.
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  #25  
Old 10-14-2010, 10:19 AM
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do any of you happen to have the height difference between the two flywheels? The pic above is very interesting, looks like all the added weight is in the increased profile of the flywheel. I had originally thought that it might be slightly larger diameter as well after the ring gear.
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  #26  
Old 10-14-2010, 10:58 AM
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Quote:
Originally Posted by junqueyardjim View Post
I think the additional ring could be machined and "schrunk fit" to the 240D flywheel. I would ask Spamman to post the weight diferences and to provide close measurement of the additional part of that rim in both length and width. To shrink fit an additional 2 inch by 3/4 inch machined steel ring to the outside diameter could be quite less costly then buying a new flywheel.
I agree, but would that interfere potentially with the ring gear/starter gear housing? maybe if you did that, you would have to chop a little bit off that protective cup that covers the starter engagement gear? Or add a taper to the schrunk fit part you were making, definitely sounds doable

From the pic above, it looks like the two flywheels are not different in diameter. What about adding a second part to the flywheel, after the clutch and pressure plate are installed. Ive been toying with adding an inertial ring to the face of the flywheel that bolts on after you install the clutch, meaning you could extend it further inwards partially covering the pressure plate in the unimportant areas.

The pic above makes me more convinced that it might be possible.
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  #27  
Old 10-14-2010, 11:51 AM
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Quote:
Originally Posted by lietuviai View Post
From what I recall, the GD flywheel uses a bigger clutch than the 240 and 300 automobile versions.
Precisely
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  #28  
Old 10-14-2010, 12:22 PM
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What is a schrunk fit? I'm unfamiliar with this process. Does it involve any heating or welding? These flywheels are cast iron. Whatever the process schrunk fit is needs to take into consideration the flywheel's material. It needs to be a safe one since you don't want to have potential flywheel shrapnel coming up through the firewall.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #29  
Old 10-14-2010, 12:30 PM
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Here's one more perspective. In this photo 300D and a 300GD flywheels are compared side by side.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #30  
Old 10-14-2010, 12:31 PM
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Schrunk = Shrink fit - just like the way the ring gear is installed. If you look closely it is a separate piece. You heat it up and slip it in the flywheel and it shrinks to fit once it cools.
Attached Thumbnails
300D flywheel worth?-specs-%2520manual%2520flywheelsa.jpg  


Last edited by Rudolf_Diesel; 10-14-2010 at 12:42 PM.
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