[DeTomaso] Magnaflux cracks - now what?

Asa Jay Laughton asajay at asajay.com
Tue Nov 8 17:26:03 EST 2016


I can see the crack.  Clean it up, glyptol the valley, paint the block, turn it into a coffee table with a glass top for the man cave.

Asa

Sent using Jedi Mind Tricks

Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:

>I have not seen the block in person.
>
>Here is a close-up photo provided by the shop. 
>
>
>
>
>Sent from me using a magic, handheld electronic gizmo. 
>
>> On Nov 8, 2016, at 1:26 PM, Larry Weston <lplugw at hotmail.com> wrote:
>> 
>> Just curious, now that you know where to look, are the cracks visible?
>> 
>> 
>> Sent from my iPhone
>> 
>>> On Nov 8, 2016, at 4:12 PM, Asa Jay Laughton <asajay at asajay.com> wrote:
>>> 
>>>  My opinion....  new block.
>>>  Those head bolts go into the water jacket as I recall but that's not
>>>  the real problem here.  Those are HEAD BOLTS.  So picture this.  The
>>>  cracks grow under stress and eventually break a piece free.  Now the
>>>  head bolt no longer has sufficient clamping force to the block and more
>>>  problems will ensue.
>>>  Just me thinking out loud.
>>>  Asa
>>>  Sent using Jedi Mind Tricks
>>> 
>>>  Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:
>>>  All,
>>>  Magnaflux testing of my original block has shown a total of five cracks
>>>  (LH/RH) out of six possible, as shown in the photo below. Cracks are
>>>  within the marked white lines.
>>>  Cracks are from the water jacket to the head bolt threads. No cracks
>>>  running into cylinders.
>>>  I had taken note that some of the head bolts showed traces of coolant
>>>  on them when removed, but no signs of any rust on any of them.
>>>  Planned engine build is 383 or 408 hydraulic roller stroker using Scott
>>>  Cook heads and intake with carburetor.
>>>  Do those cracks mean the original block is now history?
>>>  In 15 years of ownership I have never heard of Cleveland's exhibiting
>>>  cracks in this manner.
>>>  Seeking the Family's wisdom and advice.
>>>  Thanks,
>>>  Larry
>>>  Sent from me using a magic, handheld electronic gizmo.
>>>  _______________________________________________
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>>> 
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>
>_______________________________________________
>
>
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-------------- next part --------------
   I can see the crack.  Clean it up, glyptol the valley, paint the block,
   turn it into a coffee table with a glass top for the man cave.
   Asa
   Sent using Jedi Mind Tricks

   Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:
   I have not seen the block in person.
   Here is a close-up photo provided by the shop.
   Sent from me using a magic, handheld electronic gizmo.
   > On Nov 8, 2016, at 1:26 PM, Larry Weston <lplugw at hotmail.com> wrote:
   >
   > Just curious, now that you know where to look, are the cracks
   visible?
   >
   >
   > Sent from my iPhone
   >
   >> On Nov 8, 2016, at 4:12 PM, Asa Jay Laughton <asajay at asajay.com>
   wrote:
   >>
   >>  My opinion....  new block.
   >>  Those head bolts go into the water jacket as I recall but that's
   not
   >>  the real problem here.  Those are HEAD BOLTS.  So picture this.
   The
   >>  cracks grow under stress and eventually break a piece free.  Now
   the
   >>  head bolt no longer has sufficient clamping force to the block and
   more
   >>  problems will ensue.
   >>  Just me thinking out loud.
   >>  Asa
   >>  Sent using Jedi Mind Tricks
   >>
   >>  Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:
   >>  All,
   >>  Magnaflux testing of my original block has shown a total of five
   cracks
   >>  (LH/RH) out of six possible, as shown in the photo below. Cracks
   are
   >>  within the marked white lines.
   >>  Cracks are from the water jacket to the head bolt threads. No
   cracks
   >>  running into cylinders.
   >>  I had taken note that some of the head bolts showed traces of
   coolant
   >>  on them when removed, but no signs of any rust on any of them.
   >>  Planned engine build is 383 or 408 hydraulic roller stroker using
   Scott
   >>  Cook heads and intake with carburetor.
   >>  Do those cracks mean the original block is now history?
   >>  In 15 years of ownership I have never heard of Cleveland's
   exhibiting
   >>  cracks in this manner.
   >>  Seeking the Family's wisdom and advice.
   >>  Thanks,
   >>  Larry
   >>  Sent from me using a magic, handheld electronic gizmo.
   >>  _______________________________________________
   >>  Detomaso Email List is not managed by POCA
   >>  Posted emails must not exceed 1.5 Megabytes
   >>  DeTomaso mailing list
   >>  DeTomaso at server.detomasolist.com
   >>  http://server.detomasolist.com/mailman/listinfo/detomaso
   >>  To manage your subscription (change email address, unsubscribe,
   etc.)
   >>  use the links above.
   >>  Members who post to this list grant license to the list to forward
   any
   >>  message posted here to all past, current, or future members of the
   >>  list. They also grant the list owner permission to maintain an
   archive
   >>  or approve the archiving of list messages.
   >> _______________________________________________
   >>
   >>
   >> Detomaso Email List is not managed by POCA
   >> Posted emails must not exceed 1.5 Megabytes
   >> DeTomaso mailing list
   >> DeTomaso at server.detomasolist.com
   >> http://server.detomasolist.com/mailman/listinfo/detomaso
   >>
   >> To manage your subscription (change email address, unsubscribe,
   etc.) use the links above.
   >>
   >> Members who post to this list grant license to the list to forward
   any message posted here to all past, current, or future members of the
   list. They also grant the list owner permission to maintain an archive
   or approve the archiving of list messages.
   _______________________________________________
   Detomaso Email List is not managed by POCA
   Posted emails must not exceed 1.5 Megabytes
   DeTomaso mailing list
   DeTomaso at server.detomasolist.com
   http://server.detomasolist.com/mailman/listinfo/detomaso
   To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.
   Members who post to this list grant license to the list to forward any
   message posted here to all past, current, or future members of the
   list. They also grant the list owner permission to maintain an archive
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