Well i have recently acquired an NC21 engine for my project and after unloading it from my car i think i have spotted the first problem, the breather pipe connection from the rear rocker cover has sheared off, there is just a whole where i think a pipe should be:



I have spotted a replacement rocker cover on ebay, although it is an NC24 one. Now from what i have read the blocks are almost the same apart from a few internal revisions. my question is will an NC24 coverfit striaght onto the NC21 head without any issues?

yes it will.

That part shouldnt have allen head bolts in it either so somebody has been fiddling about with ti...

i think they are leftovers of a stainless bolt kit. thanks for the swift reply!