Hey i am fabbing up a new coolant tube to reroute out of thermostat housing to in front/over AC compressor to rad instead of behind the AC compressor. Question is, the coolant feed line to the stock turbo housing has a check valve that appears to have constant but variable flow. Does anyone know of a replacement valve that i could install instead of the cumbersome stock one?? Or could i figure out the surface area of the stock one and just replicate that and add a second line with a low regulator or something? Maybe a long shot but gotta ask. Whole reason for doing this is to declutter and simplify hose routing and to be easier to fab up.