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sequense bolt pattern for the head on a 1951 cub

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cherazon
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sequense bolt pattern for the head on a 1951 cub

Postby cherazon » Tue Sep 29, 2015 4:40 pm

Is there a proper sequence for tightening bolts on a 1951 cub engine
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Bob McCarty
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Re: sequense bolt pattern for the head on a 1951 cub

Postby Bob McCarty » Tue Sep 29, 2015 9:15 pm

Welcome to the Forum. Here's a link to a page from the GSS-1411 Blue Ribbon Service Manual that's available in either of the "manuals" in the tool bar above.
http://www.cleancomputes.com/Cub/Blue%2 ... -01-14.jpg

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein
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NJ Farmer
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Re: sequense bolt pattern for the head on a 1951 cub

Postby NJ Farmer » Wed Sep 30, 2015 6:17 am

Make sure you follow the procedure exactly. If not you can crack the block on the thin wall side opposite of the valve train. Also retorque after 5 hours of running. (In the proper torque sequence)

NJ Farmer
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bob in CT
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Re: sequense bolt pattern for the head on a 1951 cub

Postby bob in CT » Wed Sep 30, 2015 7:38 am

And use a dab of sealer on the head bolts or coolant will weep up the bolts.
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bythepond88
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Re: sequense bolt pattern for the head on a 1951 cub

Postby bythepond88 » Wed Sep 30, 2015 11:43 am

I always torque in three passes, at 1/3 final torque, 2/3 final torque, and final torque settings. Don't know if it's necessary, but I figure it evens out the stress a bit more.
Michael Cummings
Eddie - a 1959 International Lo-Boy named after my father in law, who who bought her new.
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