hell ya tha CAS can be 180 out. There's those 2 lil flaps on the CAS, one has a lil groove on the end and one doesn't. Well with the #1 cyl at TDC, that groove should line up with the lil notch. Fuck it I can't explain shit, here's a picture.
HERE'S ONE SET CORRECTLY:
http://www.roadraceengineering.com/eclipse...cas-linedup.jpg
HERE'S ONE SET 180 OUT:
http://www.roadraceengineering.com/eclipse.../cas-180out.jpg
hope that helps