fill this out to find out what size injectors you will need to support your desired hp

http://www.rceng.com/technical.htm#WORKSHEET

 

...or you can use this little thingy I wrote... and not have to connect to the internet.. and also calculate your settings for your turbo motor so you can compare turbo compressor maps and find the best turbo for your motor.

http://www.driftkids.com/files/AutomotiveCalculator.exe ...oh, it also has a B and D series compression ratio calculator built in too.

 

other injector info

http://www.csgnetwork.com/injectorvolcalc.html