Port timing (with a focus on exhaust timing)
 

Question: What provides better results (low mid-range or peak) early opening or late closing exhaust porting?
Discuss

https://img374.imageshack.us/img374/...ttimingrf1.jpg
Graphical representation coming soon!

Graphs aren't beautiful and they have absolutely nothing to do with actual flow ability but they are get the point across and they are big. I am almost color blind and I can make them out so no complaints, make your own damn graphs if you don't like it!!!!

Exhaust timing (4 and 6 port 13B graphs overlap)
http://img412.imageshack.us/img412/3348/exhaustwn7.jpg
Intake timing
http://img259.imageshack.us/img259/5750/intakezx8.jpg

As I understand it...

Late opening, late closing exhaust ports (like the GSL-SE) should provide the best low-end. For high-end you basically want the biggest ports you can get (early opening, late closing).

Can someone please tell me:

1) in the chart above, the "IO" column gives the e-shaft angular position when the intake port just begins to open. Right?
2) if the answer to (1) is "yes", then how many additional degrees of e-shaft rotation later is the intake port fully open?

I'm playing around with some intake runner length calculations, and I need to know when the port is fully open.

Cheers,
Bug