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Fidanza Flywheel Gearing Fix

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Got this fidanza fly from a junk yard for cheap, I had seen the gear was loose and bolts were stripped out, but got it anyways xoxo.

I tapped the stripped out holes with 8mm/1.25 tap used for our 12mm bolt heads.

Put 3, 12mm bolts in with washers, gear ring seemed real snug an hard to move. Installed flywheel. After driving around for a month I started to hear a intermittent chime, clinging sound like horse shoes tossing around in engine compartment.

Thought I assembled my engine wrong, I didnt think spinning all 4 out the driveway right after fresh rebuild was a bad thing. Starting to think it was, till I pinpointed the noise, reached under the car with engine off, and touched the gear ring. It moved side to side about 1/2 and produced the sound I was hearing. The bolts were still in, only the heads didnt go down far enough to put pressure on the ring, only the washers kept it in place. The heads didnt touch the gear because the height was shorter from the aluminum. So after pulling the trans, (I was going to break the center diff at this point of mods.)

Heres how I fixed it:
1. Undid the 3 gear bolts (thread 8mm/1.25) took washers off,then lock tight them, tighten down bolts without washers.
2. Grinded the heads off bolts to be flush with gear ring
3. Had bolts welded to gear ring, been good since.

Having it balanced is an option
by QRMH
 

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