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New head bolts for 261 needed #1310389
Sat May 11 2019 05:44 PM
Sat May 11 2019 05:44 PM
6
60GMCFlat  Offline OP
New Guy
Joined: Aug 2015
Posts: 17
WA.
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
Sat May 11 2019 06:10 PM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,597
Dellrose, TN
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
Sat May 11 2019 06:14 PM
1
1946GMCDAN  Offline
Shop Shark
Joined: Nov 2011
Posts: 164
WA
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
Sat May 11 2019 09:55 PM
tclederman  Offline
Boltergeist
Joined: Sep 2001
Posts: 27,953
Jarvisburg, NC
Place a Parts Wanted Ad in the Swap Meet?


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 50 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
Sun May 12 2019 12:50 AM
'
'54 3600  Offline
Shop Shark
Joined: Jul 2007
Posts: 451
New Jersey Shore
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
Wed May 15 2019 11:55 PM
6
60GMCFlat  Offline OP
New Guy
Joined: Aug 2015
Posts: 17
WA.
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
Thu May 16 2019 01:36 AM
6
60GMCFlat  Offline OP
New Guy
Joined: Aug 2015
Posts: 17
WA.
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
Thu May 16 2019 09:28 AM
'
'54 3600  Offline
Shop Shark
Joined: Jul 2007
Posts: 451
New Jersey Shore
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
Thu May 16 2019 10:12 AM
John Milliman  Offline
Founder/Developer
Joined: Nov 1995
Posts: 4,096
St. Mary's Co., MD
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
'70 Boston Whaler Sakonnet w/ '84 Evinrude 90
'85 Ford F-350 "The Farm Dawg"

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


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