Good to see you with us!! Welcome! The previous posts are spot on. These cars cannot be easily modified like a gasser with intake and exhaust. Nor can you throw in a 100hp tune like my diesel Excursion to modify the fuel delivery, timing etc.

You are basically held hostage by how much your mechanical Injection pump can deliver and injectors squirt. It starts adding up fast to modify the IP. You may be able to get one from a later model 350 which I believe has a bit more flow. You would then need to get a bigger turbo to keep up with the extra fuel delivery.

The stock air filters are huge and breath pretty well. Save your money there. You can get rid of the flapper and put a straight pipe there.

I would first get it running to its optimal performace and fix and safety items (sloppy suspension, brakes, SLS, etc beore making it go too fast.

Get a boost gauge. You should have about 11-13 psi and run 0-60 in about 12-13 sec for the wagon.

Good luck!

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1987 300TD 147,000 miles- Palomino leather interior, 1995 facelift and body cladding, E350 wheels, Rebuilt suspension and sport springs, rebuilt turbo, New Monarch injection pump and injectors....and the list goes on and on...