[Fot] Crack in block fixable?

[fubog1]

Nice repair!
A Blue Angels airshow trumps all, enjoy!
Glen
(a Blue Angels fan since they were flying the F-4)

 

 

 

-----Original Message-----
From: Mike Harmuth via Fot <fot at autox.team.net>
To: FoTTriumph <fot at autox.team.net>
Sent: Sun, Jul 2, 2017 4:45 am
Subject: Re: [Fot] Crack in block fixable?



I went with the time sert insert method. Finished buttoning up the engine a little while ago and now I have oil leaking out under the head gasket when I filled it up. Going to take the head off again tomorrow afternoon, after I go to an air show, the Blue Angels are near by on Sunday. 
Thanks for all the input, I'm sure this will be fixable too, then off to the Glen next Friday.


"fixed" block

http://i32.photobucket.com/albums/d8/harmug/Cracked%20Block/P1019306_zpsdtf3x5cu.jpg


mike h




On Sat, Jul 1, 2017 at 4:24 PM, fubog1 <fubog1 at aol.com> wrote:


I would consider repairing that with a "time-sert" solid wall insert, vs heli-coil.
That would restore the thread but the flange on top of the insert sits slightly below the deck. If the crack is open it will likely still allow a little water to get around the stud, right at the top of the hole.
I don't know if there's enough meat there but a couple vertical 1/8 pins down into the crack, one on either side of the hole, would fix that issue, or some careful peining and a bottle of Bars leak...
HTH
Glen

 

 

 

-----Original Message-----
From: Mike Harmuth via Fot <fot at autox.team.net>
To: FoTTriumph <fot at autox.team.net>
Sent: Sat, Jul 1, 2017 2:45 am
Subject: [Fot] Crack in block fixable?







I was changing the head on my race 1296 engine and I noticed this crack (pictures attached) between a stud hole and the water jacket between cylinders # 2-3. I ran the engine hard last weekend at Thompson without any issues, I was changing the head because the "new" one is ported better and has larger valves.


Can this be fixed? I appears to only go down to the start of the threads but without some dye in it, I can't be sure.


Hoping to be at the Glen next weekend for the July Sprints but the spare engine isn't ready. Any suggestions?


Link to pictures

http://s32.photobucket.com/user/harmug/slideshow/Cracked%20Block?sort=9


thanks

mike h

63 Spit



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