I'm pretty sure its an N/A motor converted to turbo. The turbo is drained to the block but the guy i bought it off said it was N/A converted to turbo. It had the N/A injectors but i've bought a set of 434cc GTR injectors. I've had the whole engine reconditioned, would i be better off to start it for the first time with the N/A injectors or will it be right to just go straight with the GTR ones? The box is from an RB20 turbo.