In theory that does not work. The piston and sleeve are form different materials and you have to do with expansion of both. An engine can have a lot of pinch in cold conditions but the fitting at operating temperature could be just right.
Originally Posted by
asw7576
This is my style ( if you disagree, simply don't follow ).
First, I remove the glowplug and pour few drops of engine oil into the hole.
Secondly, without the glowplug on the engine ....... I turn the flywheel anti clockwise and I try to feel the piston's upward movement to TDC.
If it feels smooth or quite smooth then I consider the break in process is done .
( If I fell stuckness or pointy ..... it means the break in process is not yet completed ).