I think the issue is using an AAZ head is part of a search for more power. 11mm blocks are a source of inherent weakness. If your 12mm block is hydraulic, then your AAZ is a direct fit. Otherwise work to do....
Quote from: Mark(The Miser)UK on December 15, 2011, 03:49:30 pmI think the issue is using an AAZ head is part of a search for more power. 11mm blocks are a source of inherent weakness. If your 12mm block is hydraulic, then your AAZ is a direct fit. Otherwise work to do....all are mechanical, from what I can tell. The one that came in the car is a 12mm, but it's disassembled. The one that's in it now is 11mm from a 79 rabbit. One block is fully dressed and has lived in a trash bag for years, no idea what it is.