I had a long while ago, but never got finished since shop fire.
I know that unless you have control of your end of injector timing, some ECUs leave some power on the table if you run a way large injector where your only running it say 40-60% duty cycle
Assuming a 80-90 duty cycle NA motor,
Pencil pattern - http://www.racetronix.biz/itemdesc.a...114510&eq=&Tp=
"wide angle" - http://www.racetronix.biz/itemdesc.a...114962&eq=&Tp=
This is a newer part number that superceded an old one that was a cone shape, not sure on this exactly http://www.racetronix.biz/itemdesc.a...I11354&eq=&Tp=