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Cracked cylinder block
#1
   
I have just skimmed a few thou off the top of my best of three blocks that I have, standard bore, good valve seats etc.
Unfortunately the cast iron dust collected on the bore between 2 and 3 cylinders and highlighted what appears to be a crack. The cracks are on adjacent sides of each bore.
Does this mean it’s scrap or is it ok to use, or can it be sleeved and used?


Roger
Location:- Haverfordwest, Pembrokeshire.
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#2
liner the one cracked cylinder,it will be fine.Check the other 3 cylinders for damage/size and obviously get all 4 bored to same size
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#3
Thanks for your reply, that was what I thought, both bores 2 & 3 have the crack so looks like two sleeves.

Roger
Location:- Haverfordwest, Pembrokeshire.
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#4
Hi Roger,
Before having the Boring done. Having the Block Chemically Cleaned with a emphasis on the inside of the water jacket
This will help remove a lot of corrosion Still going on in side the Block will also highlight possible other cracks'
Before the Expense of a Liners and a rebore
Just a thought
Colin
NZ
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#5
Colin,
I do have two others but not so good as this one, best have them cleaned too.
What other areas are likely to crack?

Roger
Location:- Haverfordwest, Pembrokeshire.
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#6
HI Roger,
On the top block between Studs and water jacket holes also because of corrosion
If you find a good block which can be fixed after cleaning can be spray inside with a rust Killer

Good Luck
Colin
NZ
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#7
Colin,

Thanks

Roger
Location:- Haverfordwest, Pembrokeshire.
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