Today I looked at an 'H' plate GTE 16v that has come in without a cylinder head. The engine no. starts 20XE. What differences are there (if any) to a C20XE engine?
I know the C stands for an engine which should be catalysed, but are there internal differences? The head was removed because it (apparently) went porous, so, presumably not CosCast.
The engine needs a re-build anyway (bores slightly ridged) but I'm just wondering if it's in any way superior to my C20XE.