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  #91  
Old 12-04-2020, 01:31 AM
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Join Date: Oct 2005
Location: Bandon, Oregon
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I was assuming the picture represented the product
Machine shop said one more week for the flywheel.

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W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #92  
Old 12-09-2020, 12:16 AM
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Got the flywheel back. Fits perfect. Ring gear is in correct location. I will post some pics tomorrow.
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W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #93  
Old 12-18-2020, 01:44 AM
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Tony
 
Join Date: Oct 2005
Location: Bandon, Oregon
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Here is the finished flywheel. I used the 11" clutch mounting holes for the ring gear. It worked out very nicely. Cost was a little less than $600 for the flywheel, ring gear and machining. Shown with 10.5" clutch bolted on. .0005" radial runout-the machinist did a good job. It will be balanced before I use it.
Attached Thumbnails
T5 transmission to Iron Block M116/117-23.jpg   T5 transmission to Iron Block M116/117-123.jpg   T5 transmission to Iron Block M116/117-83.jpg   T5 transmission to Iron Block M116/117-113.jpg  
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT

Last edited by Tony H; 12-18-2020 at 02:42 AM.
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  #94  
Old 12-19-2020, 10:33 PM
rwd4evr's Avatar
Master hull craftsman
 
Join Date: Apr 2012
Location: delaware
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Looks great!! Definitely considering copying this setup. The euro 4.5 I'm going to be using next season will thank me I'm sure. Strongly considering a low boost turbo as well. So did the 11" clutch holes line up with existing holes or you had been ones drilled in the rim of the gear?

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  #95  
Old 12-21-2020, 12:29 AM
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Tony
 
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3 ring gear holes lined up slightly notched other 3 drilled to remainder of 11" clutch bolt holes. I used low head socket screws to attach the ring gear. I can take a better picture. It was nice to use existing holes in the flywheel. I imagine any flywheel with a 10.5/11 pattern would work like this as long as the ring gear fits over the OD of the flywheel.
Mustang clutch larger and more substantial.
Attached Thumbnails
T5 transmission to Iron Block M116/117-14.jpg  
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #96  
Old 03-05-2021, 01:38 AM
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Tony
 
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I have been looking at the gear ratios with the new (to me) T5 transmission. The project is not in the car yet so no driving impressions. I installed a 3.27 axle in the car years ago-long before this project. Original 3.69 axle is long gone. I'm wondering if the 3.69 would be better suited to the taller gears of the T5? 5th gear 60mph RPM with the 3.69 would be about 2000 and better acceleration than the 3.27. 60mph RPM with 3.27 is 1744-way lower than needed for cruising. T5 has 3.35 1st gear.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #97  
Old 03-05-2021, 12:59 PM
Registered User
 
Join Date: Feb 2011
Location: Modesto CA
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Tony,

The 3.35 1st x 3.27 final = 10.95:1, which is a comfortable overall first gear.
If you were to swap the existing 5th gear pair for the pair from a V6 Mustang you would shorten the overall fifth to a 2.35:1.
That's still a bit tall, but OK at 70-75 MPH.
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  #98  
Old 03-05-2021, 02:29 PM
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Tony
 
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Yea it would probably be fine but it's a heavy car to get moving. I guess I will have to wait until it can be driven. One can only do so much with on line research. I think it would feel faster with a shorter final drive. I have a spare 3.27-maybe I will see if someone want's to trade a 3.69 for a 3.27. The 3.27's apparently are in demand.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #99  
Old 03-06-2021, 04:51 AM
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Quote:
Originally Posted by Tony H View Post
Yea it would probably be fine but it's a heavy car to get moving. I guess I will have to wait until it can be driven. One can only do so much with on line research. I think it would feel faster with a shorter final drive. I have a spare 3.27-maybe I will see if someone want's to trade a 3.69 for a 3.27. The 3.27's apparently are in demand.
Well your 3.27 with a .68 od is 2.22 and the 500sl ran a 2.27. Weight will be very similar if not less in your coupe. 3.69 maybe nice for really ripping it but I think lsd would make more difference with the power you should have. highway cruise will be lovely and you can drop a gear at 70 and haul. My slc tops out at just over 120 in 4th with a 3.69 but 1st is almost useless.
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  #100  
Old 03-06-2021, 03:15 PM
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Tony
 
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it will be interesting to see the results. When I get it driving it will be with the 3.5 engine as I sort everything out. I don't want to be sorting it out with a new engine. In fact I plan on installing the new FI/Engine management on the 3.5 and then transfering to the 5.6 and plugging in the displacement increase so the new engine runs well while being initially started and driven. A LSD would be nice. I'm keeping a look out but they are pricy.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #101  
Old 03-09-2021, 04:56 AM
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Master hull craftsman
 
Join Date: Apr 2012
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Quote:
Originally Posted by Tony H View Post
it will be interesting to see the results. When I get it driving it will be with the 3.5 engine as I sort everything out. I don't want to be sorting it out with a new engine. In fact I plan on installing the new FI/Engine management on the 3.5 and then transfering to the 5.6 and plugging in the displacement increase so the new engine runs well while being initially started and driven. A LSD would be nice. I'm keeping a look out but they are pricy.
That will be a good idea. Don't want to break it in popping and farting all over the place. I'm sure it will want that 3.69 with the 3.5. with a solid 75-100hp and torque on top of 3.5 it will be a very different animal though. I have 2 3.27 lsd I would probably sell one but it indeed is pricey.
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WARNING!!! VINTAGE MERCEDES MAY MULTIPLY UNCONTROLABLY!!! I have tons of Sl/Slc parts w108 w111 w126 and more. E-mail me with needs
BirchsgarageMB@gmail.com
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  #102  
Old 03-12-2021, 01:21 AM
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Tony
 
Join Date: Oct 2005
Location: Bandon, Oregon
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I think the LSD was probably intended for traction in snowy conditions rather than rapid acceleration.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #103  
Old 07-20-2021, 03:59 PM
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Tony
 
Join Date: Oct 2005
Location: Bandon, Oregon
Posts: 1,546
I have been looking at the remote shifter trying to improve the feel and preciseness. One thing I am doing is to modify the aftermarket shifter to increase the throw by shortening the shifter and cutting/welding the shift rod about 1/4". That will reduce the effort to the remote shifter. I am also installing bolts in the spring pockets so I can fine tune the spring tension for the best feel and neutral return. I am also going to look at using another shifter(with the ball/rod cut off) at the gear shift location instead of a heim joint so I can place some of the return spring tension at the shifter instead of the linkage transmitting the full force of the return springs at the transmission. The linkage looses feel by having to deal with the strong springs needed to return to neutral. Given the original shifter was vauge and had miles of travel anything will be an improvement. My goal is to have the remote shifter as transparent as possible.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #104  
Old 11-30-2021, 01:25 AM
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Tony
 
Join Date: Oct 2005
Location: Bandon, Oregon
Posts: 1,546
I ordered the hydraulic release bearing so looking forward to setting it up. It comes with a new input shaft bearing retainer that fits the bearing to the T5.
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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT
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  #105  
Old 12-02-2021, 01:02 AM
88Black560SL
 
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Looks to be moving along nicely.

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