This is my set up

b20b4 block
RS Machines 84.5 itr style pistons
stock pr3-1 head from b16a3
stock cams

what injectors should i be running to be sufficient for this kind of compression?
would i have to change the fuel pump also?

 

440's will be fine. I would change the pump, very inexpensive upgrade.

 

You can get away with some DSM 440's and a resistor box if you want to try and keep it cheap.

 

I'd go bigger fuel pump and go @ least 440cc's..

 

cool thanks for the help guys

 

i am using 255 walbro pump with 370cc with similar setup

 

nice how much power are you making?

 

sorry for the delayed reply man
180whp and 136 tqs
Kind regards

 

RC310s w/ a walbro 255 will be more than enough. get some dsm 440 blue tops if you're looking to save some money.

 

Guys, im using b20 block with 85mm high comp piston. Skunk2 tuner 2 cams, pct cylinder head.

But i got a problem with my fuel setup.. My current setup is mitsubishi eterna turbo stock fuel pump and H22a injectors. But its still cant supply enough fuel.
What should i do?

 

You should start by creating your own thread.

 

Ditch the mitsu pump and do what was recommended for the OP. Not that hard man.