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1975 450sl
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77 Posts
Discussion Starter #61
I understand what you are saying but I will take a chance and see how it works with just a spacer on the hub first. Here are some of the photos I took today. The first one is just a plate bolted up.
20200214_080245.jpg
This one shows how much inward the flywheel sits on the 560. You can compare it to the photo I posted earlier showing how it sits on the 450.
20200214_080349.jpg
 

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1975 450sl
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77 Posts
Discussion Starter #62
This one shows flywheel as it sits on the 450 hub, sticking 2mm out.
20200214_080734.jpg
And now how it sits on the 560.
20200214_080639.jpg
 

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'85 300tdt (sold),'64 220b,'63 220Sb ,85 monte carlo ss 406SBC(4 sale),1976 vega wagon(sold)
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I cant remember right now but I think the pivot ball just screws in with a lock nut. The rod is easy enough to make a new one. If you don't adjust them you run the risk of spitting the seal out of the slave. Plus it will be pushing on one side of the throwout bearing instead of the middle which will accelerate wear on it and the bearing retainer snout.

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1975 450sl
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77 Posts
Discussion Starter #64
20200214_182020.jpg
Here it is. I think I can probably put a washer or two as a spacer to compensate for the difference. There seems to be enough meat on the thread to secure it sufficiently. As far as the slave is concerned I will take that chance. When I originally put this transmission in the 450 I installed it with the wrong slave, the short one. It still managed to partially engage the clutch. I just measured it and the difference between the two is 20mm. That is why I am hoping it won't be a problem.
 

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1975 450sl
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Discussion Starter #66
The other concern that l have has to do with the throw out bearing. The one which came with the engine was still good but I decided to install a new one. I kept the original just in case. I compare them today and noticed that the newer one, after only 5K miles looks very polished/glazed. It spins smoothly but I am wondering if this wear is unusual, especially compared to the original one. On the photo the newer one is on the top.
20200214_184322.jpg
 

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'85 300tdt (sold),'64 220b,'63 220Sb ,85 monte carlo ss 406SBC(4 sale),1976 vega wagon(sold)
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251 Posts
You've gotta make sure you have it resting off the fingers fully. There's a return spring in there on the fork I believe right? You don't want it touching the clutch at all when the pedal is released.

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'85 300tdt (sold),'64 220b,'63 220Sb ,85 monte carlo ss 406SBC(4 sale),1976 vega wagon(sold)
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251 Posts
I could be wrong, but there should be something pushing the fork back to disengage the bearing from the fingers. I honestly can't remember on the v8 car. It's been 2 years since I had it apart. There is an external slave and spring in the fintails I've been working on. I'll see if I can find any documentation on when I did my clutch stuff on my drift car.

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