Hahahaha. Ok dude, whatever you say. I love it when n00bs tell me to be more helpful.
It took me three seconds to go to Crower.com to find this.
Stock Specs from Civic Si (B16A2)
Advertised Duration
Int- 284 mid
Exh-282 mid
Duration at .050"
Int- 224 mid
Exh-220 mid
Gross lift w/1.55
Int- 412 mid
Exh-379 mid
Stock Specs from GSR (B18C1)
Advertised Duration
Int- 290 mid
Exh-292 mid
Duration at .050"
Int- 236 mid
Exh-224 mid
Gross Lift w/1.55
Int- 423 mid
Exh-378 mid
Which profile do
you think makes more power? The only part of your quesiton that wasn't stupid was "how to tell them apart".
By the way, you might want to have a look down this forum to see what user names have been helping people.