Sorry but how does a Top Hat liner slip - the only way that I can think of is the grove in the block has been cut deeper than the top hat so when the liner is installed there is room for it to move or the liner was not rammed fully home when the top of the block was skimmed.
But if installed correctly it basically cannot move.
garry
REMLR 243
2007 Range Rover Sport TDV6
1977 FC 101
1976 Jaguar XJ12C
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1971 Jaguar V12 E-Type Series 3 Roadster
1957 Series 1 88"
1957 Series 1 88" Station Wagon
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