hi chaps , ive been offered a mazda 6 2.3 turbo mps 2007 , prob is its got no compression ,, so before im gonna dive in ,, im looking at the worst case ,, can the sump be removed in the car , and can the chain covers be removed in car , or is it a motor out job ,, i think its a ford block , but unsure as its 4 wheel drive , any help welcome before i buy , i cant go and look as its 200 miles away , cheers ian