ak diesel driver
6.5 driver
I think MGW needs to chime in on this she seems to be the resident crack expert
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piston distruction
- Thread starter chevyCowboy
- Start date
Missy Good Wench
Wild Blonde from Cloud Mt
CRACK EXPERT 
Or was that Crack, EXPERT ):h
Has quite a ring to that title eh ):h
The tip most picture with the crack at the register cut is a death knell for this block.
As long as any cracks are pretty well centered in the outer bolt hole and they dont go below the bottom of the hole (Block inverted with caps up)
then the Lock and Stitch inserts will fix them fine.
With the crack out at the register there is nothing that can be done.
The chunk missing from the cylinder skirt is also ugly.
Sorry for the bad news but this critter is beyond hope as far as any realistic repair.
Thats it in a nut shell.
Missy
Or was that Crack, EXPERT ):h
Has quite a ring to that title eh ):h
The tip most picture with the crack at the register cut is a death knell for this block.
As long as any cracks are pretty well centered in the outer bolt hole and they dont go below the bottom of the hole (Block inverted with caps up)
then the Lock and Stitch inserts will fix them fine.
With the crack out at the register there is nothing that can be done.
The chunk missing from the cylinder skirt is also ugly.
Sorry for the bad news but this critter is beyond hope as far as any realistic repair.
Thats it in a nut shell.
Missy
chevyCowboy
I might be crazy but i ain't dumb
CRACK EXPERT
Or was that Crack, EXPERT ):h
Has quite a ring to that title eh ):h
The tip most picture with the crack at the register cut is a death knell for this block.
As long as any cracks are pretty well centered in the outer bolt hole and they dont go below the bottom of the hole (Block inverted with caps up)
then the Lock and Stitch inserts will fix them fine.
With the crack out at the register there is nothing that can be done.
The chunk missing from the cylinder skirt is also ugly.
Sorry for the bad news but this critter is beyond hope as far as any realistic repair.
Thats it in a nut shell.
Missy
thanks missy. guess im in search of a new block hard core!!!
so there is no possible way to fix it
Last edited:
chevyCowboy
I might be crazy but i ain't dumb
just out of curiosity. im a welder by trade and iv fixed somepretty crazy stuff. what would happen if i ground that crack out some and welded it and had it mechined smooth again? would the heat cause problems
ghitch75
livin' in the sticks
that block is a boat anchor......
How much is the 'rebuild' going to cost you in parts? I assume time is 'free'. (Not that sitting on the couch with a beer is something better to do with your time.)
Now take the cost of the rebuild minus the cost of a good replacement block.
Is it worth risking these parts cost if the weld fails? Plus a tow etc.
It would be more fun to drop in a Duramax or other engine if you want to get crazy. ):h
chevyCowboy
I might be crazy but i ain't dumb
SmithvilleD
Active Member
That would make it a REALLY Heavy Chevy.
chevyCowboy
I might be crazy but i ain't dumb
just a bit but it would be tourqie as heck and would pull like a beast
wes pierce
Member
you are dealing with some pretty cheap cast iron that does not weld well.
you would need to slow heat the block to about 600 degrees then try o weld it must slow cool or it will crack on you.
wes
you would need to slow heat the block to about 600 degrees then try o weld it must slow cool or it will crack on you.
wes