Mine is an 84 Federal car. If the EGR is removed there would no longer be a need for the 2/3 way (white plastic) valves that mine has on the Valve cover (since they control the vacuum to the EGR) and I guess that there would be no need for the Vacuum connector and the tubing that goes to those valves. You could do some plumbing to simplifiy the Vacuum tubing.

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84 300D, 82 Volvo 244Gl Diesel