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G cylinder head studs and bolts.
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Roddo View Drop Down
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Joined: 16 Jul 2010
Location: Brant, Ontario
Points: 466 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Roddo Quote  Post ReplyReply Direct Link To This Post Topic: G cylinder head studs and bolts.
    Posted: 30 Aug 2010 at 1:20pm
Hello again, in case no one remembers me I am the poor sap that had half his G engine stolen.
I am going to be putting the G back together this weekend and had a question about the cylinder head bolts and studs.  Since all my bolts were also stolen I need to replace them all.
 
Can I just use regular grade 5 bolts and washers that are the same length? 
For some odd reason I was thinking that the washers were copper to seal coolant.  Maybe I am just dreaming but I thought I'd ask before I found out the hard way.
 
I have a sample bolt that a friend of mine gave me and I can match it up with the stuff from the bolt bin at work.
 
Thanks again for all your help and suggestions.  I made it out to Roeters Farm Equipment in Grant, Michigan and got all the pieces I couldnt source locally.  What a sight that place was.  I think they had 10 of everything there!
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Dusty MI View Drop Down
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Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5058 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dusty MI Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2010 at 6:48pm
My parts book says,

 part # 058793     qty. 6    Capscrew, special (long) with # 911423  Washer, (plain)

 part # 013059     qty. 10  Capscrew, special (short) with # 911423  Washer, (plain)

 part # 800259     qty. 4   Stud, front & rear with # 911423 Washer, plain  # 904206 Lockwasher, # 910324 Nut

I think they are steel washers but have a small OD. The OD is about the same as the OD of the hex heads point to point.

Good Luck,
Dusty
917 H, '48 G, '65 D-10 series III "Allis Express"
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Scott(GA) View Drop Down
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Joined: 13 Sep 2009
Location: PeachtreeCityGA
Points: 407 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Scott(GA) Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2010 at 10:50pm
I noticed the "different length" head bolts in the parts book and asked about it on this forum some time ago.  I've taken apart 3 G engines and, in all of them, the head bolts were all the same length.  My recollection is that no one that responded to my forum query had ever seen different length head bolts either.
 
Best regards,
 
Scott(GA)
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Scott(GA) View Drop Down
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Joined: 13 Sep 2009
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Points: 407 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Scott(GA) Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2010 at 10:59pm
I just checked my Allis-Chalmers Standard Parts Catalog and it describes the washer (Part # 911423) as Steel; Inside Diameter - 3/8; Outside Diameter - 3/4; 16 Gage [.065] Thickness.
 
Scott(GA)
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Roddo View Drop Down
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Joined: 16 Jul 2010
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Points: 466 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Roddo Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2010 at 6:32am
Thanks for the help.  Just wanted to make sure I did it right.
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CJohnS MI View Drop Down
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Joined: 27 Jun 2010
Location: Lapeer MI
Points: 326 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CJohnS MI Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2010 at 7:44am
Originally posted by Roddo Roddo wrote:

Thanks for the help.  Just wanted to make sure I did it right.


Just wanted to add that I remember your posting about that tractor getting ripped while at your place of work. You truly have my sympathy.

Best Wishes in getting it finished this time!
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Roddo View Drop Down
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Joined: 16 Jul 2010
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Points: 466 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Roddo Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2010 at 1:29pm

Thanks!

  Going to try and get it back together this weekend.  Waiting on bearings for the fan aseembly to come in.  Other than that I think I have everything I need.
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Dave Richards (WV) View Drop Down
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Joined: 14 Sep 2009
Location: Fairmont, WV
Points: 881 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave Richards (WV) Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2010 at 2:16pm
I found this site useful

http://www.wisconsinmotors.com/partc/con_engines/L-Head_Overhaul.pdf

search for continental engine N62 head bolts.  The same engine was used in many applications.  Some parts do not interchange, but most inards do.
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