Hi guys new member, love the site. I build gas turbines(jet engines) out of turbo chargers and currently in the process of doing an rb30/25 conversion in an r33. From all the research I have done over the years I can tell you that the thermal effeciency of steam pipe is greater than stainless steel. ie. heat is retained a lot better inside steam pipe tubing as compared to s/s. Heat is what makes the turbo spool and therefore it should in theory spool up faster(earlier) on a manifold made with steam pipe. Thats in theory...
