the block has been skimmed before, no doubt about that, thats why the pistons have been machined to reduce the height of them, (well 3 have been)

the blocks usually distort around the center head bolt holes, this may or may not be the cause of the issue, but again a deck skim means an engine overhaul, so we had no choice but to try our luck really with your consent.

i diont know how well a gasket that thick will work with your power level, i have never had to use one before. The chosen gasket of choice for your spec was the GRP A which is what i advised you to supply us with, before we found the issue.

my advice to you mate, is to pull the motor out, and go over it,just like it says on the work report. Most of the parts you have, or we have used will go again, it will be a good car when its done, its just unfortunate for you really.