My 95 3500 may need the turbo replaced. Waste gate is rusted off and I believe it is leaking oil on the shaft seal exhaust side. My questions are can I use a newer turbo with the boost reference signal going to the turbo housing where mine has a line that goes over the engine which is also rusted. I like the idea of less plumbing. Is a newer one a bolt on? Also where is a decent deal on a replacement turbo. Thanks.