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Old 12-29-2025, 12:42 PM   #1
Russell Reay
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Join Date: May 2021
Location: NH/ VT
Posts: 513
Default Adjusting the flywheel housing

In my quest to identify the source of the clutch chatter, I am down to this stage. With 12:00 set at zero, 3:00 is 0.010" out and 9:00 is 0.013" out. A couple YouTube videos reference inserting shims under the four wired bolts as necessary to correct the variation. After loosening the motor mount bolts, the four wired ones, and the two on the throttle bracket, I think I can slip shims under the two top wired ones. My concern is that there isn't room for my fingers or a tool to access the space behind the throttle bracket to add shims. FWIW I know there is a gasket between the FW housing and the block. Before removing the FW I measured the wobble per red book, and found zero from 10:00 to 2:00, 0.005" out from 5:00 to 7:00 with a max of 0.007" out at 6:00. Observations and recommendations welcome.
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