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Join Date: Apr 2001
Location: Grand Rapids, MI, United States
Posts: 38
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flywheel torque values problem

I am putting my engine back together and am a little confused as to the correct torque value for the flywheel bolts. The engine is a 3.0 out of my '82 SC. Wayne, in your rebuild book, the paragraph on how to reattach the flywheel under the "crankcase" says 120 N*m. In the torque values table in the back of the book, it says 90 N*m. Any insight on which one is correct?
Thanks.
-Mike

Old 06-04-2003, 05:50 PM
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90 Nm in the spec book for M10 flywheel bolts ...
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1973 911S Targa ... 'Annie'
1968 340S Barracuda ... 'Rolling Thunder'
Old 06-04-2003, 06:52 PM
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Old 06-04-2003, 08:43 PM
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Loctite tip

Here's something from my archives:
Quote:
Subject: Re: Threadlock on flywheel stretch bolts
From: DopkeDesgn@aol.com
Date: Sun, 21 Mar 1999 14:56:24 EST
X-Message-Number: 32

David,

Use Loctight red 271. bolt the flywheel with two opposing bolts to
the crank. Only then apply some 271 to a bolt and insert it and tighten.
Repeat for remainder of bolts including the initial two you started with.
Reason: if flywheel is not mated solid to the crank, some of the red will get
behind the flange and cause just enough of a miss match to loosen flywheel
after awhile.

Ten years ago at Daytona we lost two flywheels because of locktight
behind the flange. It took someone much smarter than I to point it out to me.
Never lost a flywheel after that.

Clay Dopkd
dopke/design Motorsports

Old 06-05-2003, 02:47 AM
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