n00b question

[turb0teg]

Might sound stupid, but whats the difference in the D16 motors?
I know the D16y5 and y8 are VTEC. One is 115hp and one is 127hp. What sets them apart? And the others?

[dakilla4ever]

Vtec, compression ratio, head porting, etc.

[turb0teg]

thanks bro, it's been bugging me really bad.