more reserch today, trying to peice together my fuel return system and came across some great info. the nismo type a fpr is a perfect fit for the vq fuel rail. so im going to be running this adapter and a remote fpr, only if anyone knows a cheaper source for an sr fpr adapter.
*ISIS Fuel Pressure Regulator Adapter - Nissan SR20DET/KA [ IS-9537 ] - Enjuku Racing - Performance Parts and High Quality Fabrication