right im having a crisis im running a 2ltr zvh with efi head etc so running ofac fes turbo management was running 7psi on standard injectors fine but was told that i could run 14psi on standard injectors with a chip so on went the chip and a twist of the bleed valve but wen i accelerate its like im hitting a block come off the accelerator and straight back on and she hits 14psi fine so wot could be causing the block first of all??????????

anyone feel free to help plzzzzzzzzzzzzzzzzzzzzzzzzz!!!!!!!!!!!!!!!