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New head bolts for 261 needed #1310389 Sat May 11 2019 05:44 PM
Joined: Aug 2015
Posts: 17
6
60GMCFlat Offline OP
New Guy
I need new head bolts for my 261
I have looked everywhere, to no avail..... Help !!!!


Whatever you are doing, have a good time at it..... Ya gotta do it anyway... So, enjoy life !!!!
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310391 Sat May 11 2019 06:10 PM
Joined: Feb 2004
Posts: 19,026
H
Hotrod Lincoln Offline
Boltergeist
Measure the length of the head bolts you need and go to either the Dorman or Pioneer open stock head bolt listings. They're simply 1/2"-13 Grade 8 head bolts, nothing fancy about them. You might consider using Grade 8 SAE flat washers under the bolt heads. Bolts for a 54-62 235 will work, also.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310395 Sat May 11 2019 06:14 PM
Joined: Nov 2011
Posts: 192
1
1946GMCDAN Offline
Shop Shark
Are they the same as 235 216 head bolts? I have many of them.


Trombones Totem Poles And Old Trucks!
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310413 Sat May 11 2019 09:55 PM
Joined: Sep 2001
Posts: 28,615
tclederman Online
Boltergeist
Place a Parts Wanted Ad in the Swap Meet?


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310436 Sun May 12 2019 12:50 AM
Joined: Jul 2007
Posts: 501
'
'54 3600 Offline
Shop Shark
Dans GM Obsolete
Chinook , Montana
phone : 406 - 357 - 2615

Dan's has
( 19 ) SHORT head bolts - GM # 3835812
&
( 11 ) LONG head bolts - GM # 3835811

These are GM NOS Bolts .

They are getting very scarce to find in NOS .

PICS

Short Head Bolts - you will need ( 10 )

https://i.postimg.cc/W1yfjBw8/GM-NOS-Head-Bolts-2.jpg

&

https://i.postimg.cc/qBGC1T3b/Head-Bolts-GM-NOS.jpg

&

https://i.postimg.cc/37QmQLnr/GM-NOS-Head-Bolts-3835744.jpg

&

Long Head Bolts - You will need ( 8 )

https://i.postimg.cc/LsZQsxyp/Head-Bolts-12-GM-NOS-3835812.jpg

&

https://i.postimg.cc/nL49DbYt/3835743-Long-Head-Bolts.jpg


George
'54 3600

Last edited by '54 3600; Sun May 12 2019 10:45 PM. Reason: add

1954 3600
Re: New head bolts for 261 needed [Re: '54 3600] #1310867 Wed May 15 2019 11:55 PM
Joined: Aug 2015
Posts: 17
6
60GMCFlat Offline OP
New Guy
Hallelujah !!!!! WONDERFUL !!! Talked to them.... Made my day !!!!! THANK you, George.....
Thanks again,
Carl

Last edited by John Milliman; Thu May 16 2019 10:09 AM. Reason: Removed phone number

Whatever you are doing, have a good time at it..... Ya gotta do it anyway... So, enjoy life !!!!
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310879 Thu May 16 2019 01:36 AM
Joined: Aug 2015
Posts: 17
6
60GMCFlat Offline OP
New Guy
Hey George,
I have a set of head to block dowels coming... where do they go ?
I want to get this right...
Thanks,
Carl


Whatever you are doing, have a good time at it..... Ya gotta do it anyway... So, enjoy life !!!!
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310889 Thu May 16 2019 09:28 AM
Joined: Jul 2007
Posts: 501
'
'54 3600 Offline
Shop Shark
Carl ,

The two cylinder guide pins get screwed into the cylinder block

Front & Rear holes on the manifold side of the engine .

This holds the gasket in position so you can guide the cylinder head into place .

You can do a trial fit when the block & head are super clean .

Screw the guides thru the head gasket .

You could go to the hardware store & buy a couple of carriage bolts - 1/2 " - 13 x 5 or 6 inches

and cut the heads off to use as guides .


PIC

https://i.postimg.cc/FsPJfZVH/261-head.jpg


George
'54 3600


1954 3600
Re: New head bolts for 261 needed [Re: 60GMCFlat] #1310890 Thu May 16 2019 10:12 AM
Joined: Nov 1995
Posts: 4,209
J
John Milliman Offline
Founder/Developer
Carl -- I removed your phone number from your post -- that sort of Personally Identifiable Information is best left to PM's or email.

And by the way, have you read our Tech Tip on 261 rebuilding?

Thanks for using our site!

John


John

'49 Chevrolet 3804

Re: New head bolts for 261 needed [Re: '54 3600] #1310912 Thu May 16 2019 03:50 PM
Joined: Aug 2015
Posts: 17
6
60GMCFlat Offline OP
New Guy
Thanks John


Whatever you are doing, have a good time at it..... Ya gotta do it anyway... So, enjoy life !!!!
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