New Turbocharger Plumbing Oil Drain Connection for QSB6.7 T3 Option TP97294 will be replaced by TP97898 Robert Fipp

Project Scope Change Summary: New 5368664 turbocharger oil drain connection, with one higher Y point at a bend location and internal corrugation, will replace current part 3975077 with external corrugations only in option TP97294. New 5368665 turbocharger oil drain connection assembly will replace current assembly 3975076 only in option TP97294. The options that are effected and will be obsoleted / superseded are: New turbo plumbing option TP97898 will replace current option TP97294, which will be obsoleted. Background: The current 3975077 turbocharger oil drain line is rubbing against the oil supply line in option TP97294. The drain line needs the bend location point changed so it will no longer hit the oil supply line. The corrugation type is also changing. Implementation Strategy and Date: April 2016

Change Summary External (Annular) corrugations Current turbo oil drain tube 3975077 with annular external corrugations. Shortened 32.4 mm Internal (helical) corrugations New turbo oil drain tube 5368664 with helical internal corrugations. Shortened to prevent interference with turbo oil supply hose. The top picture shows the current turbo oil drain tube 3975077, which is in option TP97294. The bottom picture shows new turbo oil drain tube 5368664 tube, which is in TP97898. Option TP97898 will replace TP97294.

Old option(TP97294) & New option(TP97898) Shorter distance from flange to point on first bend New oil drain tube Current oil drain tube Helical internal corrugations instead of annular corrugations New tube 5368664 is only change from current option. This tube is in option TP97898. Current tube 3975077 in current option TP97294. Tube model does not show 4 annular corrugations.

Old and New Options on Engine New oil drain tube. Current oil drain tube Current tube 3975077 front of engine. Tube model does not show New tube 5368664 front of engine. Tube model does show helical corrugations. annular corrugations.

Old and New Options on Engine (continued) Current oil drain tube New oil drain tube. Current tube 3975077 from side of engine. Tube model does not show annular Current tube 5368664 from side of engine. Tube model does show helical corrugations. corrugations.

Old and New Options on Engine (continued) Current oil drain tube New oil drain tube. Current tube 3975077 with oil supply hose hidden. Tube model does not show annular corrugations. New tube 5368664 with oil supply hose hidden. Tube model shows helical corrugations.

Old and New Options on Engine (continued) Current oil drain tube New oil drain tube. Current tube 3975077 from back of engine. Tube model does not show annular corrugations. New tube 5368664 from back of engine. Tube model shows helical corrugations.