Originally Posted by
GVK.
Remember Cossies have forged pistons and their cold running clearances are larger to allow for expansion as they warm up, hence you get noise from them whilst cold.
They have a mahle piston which is a high pressure cast piston the skirt clearances are 1.5 - 2 thou "
early 3 door engines had centre line wrist pins and had piston slap all later 2wd and 4x4 engines had offset wrist pins and they were quiet from cold