I have an 84 300cd with just over 200k miles and in decent shape.

I've read elsewhere on this board that the diesel engine of that era typically has between 6-8psi of boost, but that this is a factory level set much lower than the safe upper limit. Some say this was done for emissions reasons, but I don't understand why.

People have said they can run 12-14 psi on their 5cyl diesels with noticably improved performance without destroying the engine. If this is true, where can I get an adjustable boost for my car?

Anyone here with experience installing and operating such a device? How 'bout a turbo guage?

Thanks, this board is a big help.

-Gil