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996 and 997 flywheel and clutch difference

smartrepair
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smartrepair Member

smartrepair

Posted
Posted

Hi folks

I just installed a 997 S engine to my 996 (from year 99) gearbox.

Something is wrong as the engine does not turn around.

The engine came with 997 flywheel and clutch. I wonder if the 997 flywheel is bigger, and is touching the gearbox somehow, or have I installed some parts of the clutch incorrectly.

Does somebody know what is the difference between 996 and 997 flywheels/clutches?

Thanks

Kare

smartrepair Member

smartrepair

Posted
  • Author
Posted
Kare, what about the differences with the DME? That to me, would be the bigger concern.

I changed the DME 7.8 and the wire harness. I also have new keys coded to the new DME, and new antitheft module. My Durametric says everything is OK, I still have not completed the CAN wires and the instrument cluster change so that is the only error code I get.

The engine tries to turn (I can hear the starter), but the engine is like seized. I tried to turn it with a wrench, but it moves only 1 degree....

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RFM Member

RFM

Posted
  • Moderators
Posted

Fly wheel ( not 100% sure ) complete clutch and gearbox are different. 997 is installed with a disc thickness compensation pressure plate and a Japanese Aisin gearbox.

smartrepair Member

smartrepair

Posted
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Did it turn over on the bench before it was fitted to the car?

Yes it did. I just opened the transmission bolts a bit, and the engine turns over again, when I tightened them again, the engine was seized.

bjarne996 Member

bjarne996

Posted
Posted
Did it turn over on the bench before it was fitted to the car?

Yes it did. I just opened the transmission bolts a bit, and the engine turns over again, when I tightened them again, the engine was seized.

If you have not solved the problem yet, you can contact FVD that sells and installs a 3.8 conversion kit for the 996:

http://shop.fvd.de/de/en/Porsche-0/996-14/...28355HP%29.html

This package includes an installation kit that may contain what you need.

Good luck!

Bjarne

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