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Old 03-19-2010, 01:16 AM   #112 (permalink)
Christ
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Location: Troy, Pa.
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Pasta - '96 Volkswagen Passat TDi
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Quote:
Originally Posted by Christ View Post
I may have asked before, but was there any way you could have had the flywheel redrilled to match the crank pattern of the Mercedes engine?

It might have been easier that way, unless the S10's clutch disc fits inside the pressure plate for the Mercedes flywheel.

(I presume, here, that you're still using the S10 transmission, right?)
Excuse me while I get a beer and think...

Ok.

There are two things you need to do at this point, to ensure that things will work out for you:

1 - Make sure the flywheel for the OM617 fits in the S10's bell housing.

2 - See if the clutch disk for the S10 will fit in the flywheel for the OM617, and that the pressure plate for the OM617 will apply pressure on the clutch plate.

If the S10's clutch plate will fit in there, and the pressure plate will apply sufficient pressure to you, you're golden as long as you can get the transmission lined up and the input shaft at the correct depth.

Another option is to see if, by chance, the OM617's clutch plate fits the input shaft of the S10's transmission. If the hole is entirely too big for the input shaft, consider having a machinist make an adapter for you (that will make parts easier for you in the future, because you can then buy just one clutch kit for the vehicle.) to bring the S10's input shaft up to the correct size/spline count.

To mount the S10's transmission to the adapter plate, do the same thing many do with EV conversions, lay the transmission centered in the plate, and spray paint around it, making sure to fill the holes. Drill the adapter plate, then install fasteners of your choice.

Both flywheels look to be close to the same diameter, so fitment may not be an issue in that respect.

You'll want to line the engine and transmission up at some point to make sure that the transmission's input shaft is the correct depth into the flywheel to engage the clutch properly.

This weekend, I can check a few things on my OM616 and report back for you. I have an S10 transmission laying around, as well, to check the sizing for you.

The 616 and 617 share backends and transmissions, so the measurements will be the same.
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