Tim, can you shoot the temp's on that EGR pipe going into that intake port? That pipe has insulation wrap on it? The location of this pipe in area where we did PCV re-route on the Suburban is tantalizing RE: this thread. Thanks for re-visiting this idea, been thinking of other stuff, Ron and Dan are amazing...!
Im gonna try to imagine how to build this, a metal can w/ BB's PCV gas from re-route directed into. Keep exhaust gas separate in heat exchanger spiral tube in can, or just vent into can let exhaust and crankcase gas mix? Might be best to keep exhaust separate from crankcase gas to keep function simple?
Maybe just cut that EGR feed pipe, re-route to the new can, then re-connect to pipe . Tryin' hard to imagine how to do it w/o any welding, I can't weld. Might need to insulate can/new EGR pipes to keep heat in, header wrap? Copper tubing/ brass compression fittings is simple enough, easy to work with, but can these stand up to heat and physical stresses to be reliable...?
this IS a worthwhile idea, can anybody else chip in w/ any ideas, knowledge? Materials, configurations, anything? Main thing hanging me up now is Materials. I have doubts whether copper pipe can withstand all various stresses and corrosion from exhaust. Factory EGR pipes are all steel pipe, but that's harder to work with in these diameters. Tryin' to think of a way for this w/o a lot of expensive fabrication and pricey stuff?
But this would put the Crud from the Crankcase to work for us, not just diverting it as I have been doing w/ air-oil separator.
Tracy G