Looks like it's in the 16:1 to 19:1 range for VW diesels... http://en.wikipedia.org/wiki/List_of...esel_engines#6
The compression ratio thing is surely an oversight. I'm sure they don't intend diesel engines to run less than 12.5:1 compression. I wouldn't mind though since I'll never run a diesel and it'll just slow you guys down. 
That is definitely something that needs to be addressed by the STAC though. I would write a letter requesting at minimum clarification of the compression, and what applies to diesels since they're a completely different beast than a gasoline or even turbo gasoline engine.
Last edited by Matt93SE; 12-03-2011 at 01:14 AM.
Houston Region
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