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-   -   Lost some teeth on my flywheel... (http://www.clubcobra.com/forums/all-cobra-talk/109499-lost-some-teeth-my-flywheel.html)

Stephan427SC 03-06-2011 01:33 PM

Ok, I will check this and come back to you tomorrow. Thanks so far ! Stephan

blykins 03-06-2011 01:37 PM

You're very welcome.

Tom Kirkham 03-06-2011 03:38 PM

Stephan,

To remove the bell housing you will need to:
remove the seats, shifter handle, transmission tunnel, the horizontal close out panel in front of the transmission tunnel, and the vertical close out panel just in front of the horizontal panel, drive shaft, transmission, then the bell housing.

The transmission comes up through the interior.

Hope this helps.

mreid 03-06-2011 06:05 PM

I would contact Roush before you take anything apart. They should be allowed to comment first.

Tom Kirkham 03-06-2011 07:28 PM

Stephan,

All you should need is a replacement ring gear. $24.99 each

Pioneer Inc. - Flywheel Ring Gear
Part # : FRG157N
Line: PIO

* 1 Year Limited Warranty
* 157 Teeth
* OE Number: C2OZ-6384-B


This is from our local parts store.
http://www.oreillyauto.com/site/c/se...ang&vi=1333381

Pman1961 03-06-2011 08:39 PM

My brother had that happen to a fresh built 434 stroker small block chevy. The motor kicked back and stripped some teeth from the flywheel. The engine builder suggested putting a switch between the coil and ignition (I think) so that you begin turning the motor over before you send fire to the motor. Hasn't had a problem since and works as a theft device too. I'll talk with my brother and get a few more facts and repost.

Stephan427SC 03-07-2011 02:10 AM

Hi Tom, thanks for your reply. That seems to be the best way for me to replace that part. It's much easier than pulling out the complete engine with tranny. Is it easy to replace that ring gear ? Stephan

blykins 03-07-2011 02:40 AM

It has to be done at a machine shop. The ring gear has to be pressed on.

Tom Kirkham 03-07-2011 08:29 AM

It can also be done with a oxy-acetylene torch. The ring gear is heated up with the torch and then dropped onto the flywheel. A lot of the aluminum flywheels have tabs to lock the flywheel in place. The tabs will easily break off after you remove the old ring gear. Get a welding shop to weld them back on, after you put the new ring gear on the flywheel. Any welding or fabrication shop should easily be able to remove and replace the ring gear for you.

undy 03-07-2011 09:02 AM

So much for the engine balance. With repairing the existing flywheel or going to a new one there's no way to rebalance (short of an engine tear-down) All you can do is assume the new ring gear will "duplicate" the old one.

Jerry Clayton 03-07-2011 09:49 AM

Undy

How many engines/flywheels have you balanced???


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