| Nicholas,
I hate it when people don't answer the questino I asked but I'm not going to answer your question as posed. I don't actually know much about enginair.
I will editorialize that it takes a test program from hell PLUS many thousand copies in the field to fully get through debugging just about any significant piece of engineering. That's because to hit every unique combination of circumstances that might kill you just takes a lot of exposure.....if you look at the probabilities.
To say that something has a 95% chance of working only means that 5% of the uses will result in a 100% failure. A 100% failure of an engine in a L-IV has a very high correlation to death.
Aircraft engines, technically, are nothing inspiring compared to the latest auto technology. When you buy an aircraft engine, what you are really buying is a de facto pretty good test program: hundreds of thousands of hours with all the relevant combinations of things that happen in airplanes.
Don't agonize. Get a real aircraft engine.....and keep at least one magneto. One way to get a really good aircraft engine is to buy one that is near TBO and have Barrett Performance Engines rebuild it.
Colyn
On May 19, 2011, at 11:11 AM, Nicholas Paczkowski wrote: I am ready to hang an engine on my L-IV project (not-pressurized) and am agonizing over the choice of engine. I have a good grasp on the problems with the Enginair V8 conversions a few years ago but is there ANYONE out there who has successfully hung one of the GM LS V8 engines on a Lancair IV (or Legacy). Alternatively I was hoping to find anyone who has unsuccessfully done so and is willing to talk about it. Thanks
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