Update on the Monster 2.8L Type 4 project. As we left off I was having issue with the AA performance cylinder heads. They were leaking at the cylinder to head area and the intake valves were all leaking after less than one hour of run time. I sent the heads back To AA at their request for inspection and repair. They had the heads for a month and told me they found nothing wrong with the heads and they supposedly measured them to check that the seating areas were the same depth on both chambers of each head. They also told me the cleaned and lapped the valves. My engine builder received the heads back this week and checked them. The heads are off by .003" from one side to the other. He removed the valves and they have ridges in the seating face which should not be there on valves that have been run less than a hour. We are guessing the steel the valves are made of is too soft. So I am finished with AA performance products . I would recommend anyone else to proceed with caution if thinking about buying from them. I reported what we found to AA and asked them for a full refund upon the return of the heads but have not had a response from them. I ordered a set of LE200 heads from the type 4 store today. The heads won't be available until May. They are built by Hoffman Automotive. They appear to be amazing heads and should be for what they cost. They should be the finishing touch to make this engine as amazing as it should be. I will let you all know how the engine runs and what power it makes on a chassis dyno sometime in late May I hope. Anyone want to buy a set of type 4 heads cheap? Maybe they can be used as cores for a complete rebuild?