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HeyObie
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Joined: 12 Nov 2012
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 Posted: Thu Jan 10, 2013 1:50 pm Post subject: 8N headbolt torque specs |
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Replaced the head gasket on 1952 8N. Can't find the headbolt torque specs. Not in the F04 manual and can't find on the website. Sorry to bother for such a basic question.
Thanks,
Obie
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HeyObie
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| Posted: Thu Jan 10, 2013 1:54 pm Post subject: Re: 8N headbolt torque specs |
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Never mind. Just found a great link with everything. The headbolt torque specs are for the 53 and newer. 65-70LBS. I assume it is the same for a 50 8N
http://www.oldfordtractors.com/oftspecs.htm
Last edited by HeyObie on Thu Jan 10, 2013 1:58 pm; edited 1 time in total |
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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50401
Location: Lake of the Ozarks area of MO
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| Posted: Thu Jan 10, 2013 2:48 pm Post subject: Re: 8N headbolt torque specs |
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Not in the FO-4 manual??? You best go back and read paragraph 21 it says it plain as day there I know I have it open to it right now. That paragraph is Cylinder head R&R
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HeyObie
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| Posted: Thu Jan 10, 2013 3:25 pm Post subject: Re: 8N headbolt torque specs |
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Read the manual twice and didn't see it. But there it is, plain as day. Thanks
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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50401
Location: Lake of the Ozarks area of MO
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| Posted: Thu Jan 10, 2013 5:56 pm Post subject: Re: 8N headbolt torque specs |
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Many of the torque specs are hidden in the paragraphs so you have to read it top to bottom then go back and reread it a 2nd time because there are the huts and studs on some and bolts on others and they use different specs. By the way that is true in all the I-T manuals I have read and I have a big stack of them sitting here on my desk just so I can answer questions LOL and of course use them for my machines
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Dell (WA)
Tractor Guru
Joined: 21 Sep 1998
Posts: 23777
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| Posted: Thu Jan 10, 2013 11:58 pm Post subject: Re: 8N headbolt torque specs |
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HeyObie........you do realize the '53 and newer were OHV engines and NOT FLATHEAD engines like the '39-52 engines. DIFFERENT designed engines. Different headbolt torques ........respectfully, Dell
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HeyObie
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| Posted: Fri Jan 11, 2013 3:49 am Post subject: Re: 8N headbolt torque specs |
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Thanks Dell. You are right, but as it turns out, the torque is the same.
This is my first valve job on a flat head (that's why I pulled the head). What a great design. They don't make stuff like they used to. Nothing but solid steel.
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1951 8N
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Joined: 12 Jan 2008
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| Posted: Fri Jan 11, 2013 3:50 am Post subject: Re: 8N headbolt torque specs |
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| Dell (WA) wrote: | | HeyObie........you do realize the '53 and newer were OHV engines and NOT FLATHEAD engines like the '39-52 engines. DIFFERENT designed engines. Different headbolt torques ........respectfully, Dell |
Dell, You do realize that the head bolt torque for his 1952 8N is 65-70 Ft. Lbs. and the head bolt torque for a 1953 OHV engine is 65-70 Ft. Lbs.? Right? How is that different?
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Indiana Ken
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Joined: 10 May 2011
Posts: 397
Location: Northern Indiana
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| Posted: Fri Jan 11, 2013 5:31 pm Post subject: Re: 8N headbolt torque specs |
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My FO-4 manual (dated 05/05) lists the final torque at 50-55 ft-lbs for studs and 65-70 ft-lbs for bolts. Reference paragraph 23, page 26.
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