Got some feedback that it might be a flywheel from automatic gearbox. Then it will not work??? I am not to clued up with auto gearboxes and flywheels.
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autoboxes don't use flywheels. They use the inertia of the torque converter (bolts to the engine output shaft via a flexplate).
Ok, my old Passat had a torque converter but could not recall what it bolted on to. I assume the flex plate is not made from solid metal(cast iron)and does not look the same as flywheel?
Got this part of the net:
The flywheel of a car or truck connects the engine's crank shaft to the transmission through the torque converter. Both manual and automatic transmissions connect to a a flywheel.
Read more: How to Replace the Flywheel on an Automatic Transmission | eHow.com http://www.ehow.com/how_5272678_replace ... z1is4fFMMk
So auto transmisson does have a flywheel?
The flywheel of a car or truck connects the engine's crank shaft to the transmission through the torque converter. Both manual and automatic transmissions connect to a a flywheel.
Read more: How to Replace the Flywheel on an Automatic Transmission | eHow.com http://www.ehow.com/how_5272678_replace ... z1is4fFMMk
So auto transmisson does have a flywheel?
Strictly technically speaking, a flex plate can be seen as a 'flywheel', but I would not rate that article very high, especially for clarity. 
An automatic transmission is coupled to the engine by means of a flex plate and a torque converter.
The Flex Plate:
The flex plate serves the following purposes:
The Torque Converter:
The torque converter is bolted (rigidly) to the flex plate, and transfers engine torque to the auto transmission.
An automatic transmission is coupled to the engine by means of a flex plate and a torque converter.
The Flex Plate:
- It connects between the torque converter and the engine's crank shaft.
- On it perimeter it has a ring gear, which meshes with the starter motor (a manual transmission's flywheel has a similar ring gear)
The Torque Converter:
Gerhard Fourie
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
Ok thanx Gerhard. I'm not making headway with getting to know the model of the secondhand flywheel. I do not want to fit something that I am not sure about. Holes match and I think weight is roughly the same but something(feeling) stops me from going ahead. See if I can get info from agents this week. 
Holes match and I think weight is roughly the same but something(feeling) stops me from going ahead. See if I can get info from agents this week. If the primary sizes (diameter & offset of friction face from the crank shaft) are correct, I would have used it.
Gerhard Fourie
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
Morning. How do I measure the offset?
Mmm ok. Distance from crankshaft hole to start of friction face I assume. A bit slow this morning.
Mmm ok. Distance from crankshaft hole to start of friction face I assume. A bit slow this morning.
1mm difference between distance from crank hole to friction face. Overall diameter also about 1mm difference. Weight differ with older one being 800g heavier. Forgot to count teeth. So basically with heavier flywheel I will loose topend revs and speed but gain low end torque.
Thanx to all who gave feedback.
Thanx to all who gave feedback.