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Originally Posted by Excaliber
"Bars-Leak", yeah, THATS the ticket! 
Gessford has an interesting writeup about how they install sleeves in a side oiler. Tricky stuff that, they use liquid nitrogen at some point, to shrink the sleeve itself I guess. As side oilers are 'thin wall' all ready and cannot be bored very much sleeving one is somewhat common. Doing it RIGHT, may not be so common! Some side oiler blocks have a thin wall bore that needs sleeving right out of the box! So the block doesn't have to have been 'broke' to require sleeving. |
Wonder how this particular block was sleeved? Even if they are tight, a scratch in either the block bore or the outer sleeve wall would allow a leak path, if the block is leaking water into that area.