Not sure what the other cam was but it looks like it was closer to the 294. Perhaps a 5 or 6 degree change in when the intake closes. Advance or retarding the cam could make another 1-3 degree change on top of that. Here are some links to cams.
XR-294-RF-HR - intake closes at 73 ABDC
35-427-8 - Xtreme Energy
XR-288-RF-HR - intake closes at 70 ABDC
35-426-8 - Xtreme Energy
XR-282-RF-HR - intake closes at 67 ABDC
35-425-8 - Xtreme Energy