Is a boost pressure gauge really usefull if I am NOT planning on putting in an adjustable boost pressure device, and NOT really interested in performance tuning enhancements. I can see that it may be interesting to see what the boost pressure is periodically, but I can do that diagnostic temporarily by installing a guage.

By comparison, I think a volt meter is most usefull to install permanently due to expected and more frequent failure of battery, alternator, voltage regulator, etc.

But the turbo in an MBZ diesel is a real long lasting work horse.

Note....this is an honest question...if i've got it wrong, let me know.....i'm just trying to figure out what additional gauges I should install for my own needs....at the current time, i'm thinking that for my purposes, only a voltage gauge is needed.

Thanks,

Mark

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1984 300TD Wagon, 407,800 mi (current daily driver)
1985 300DT Sedan, 330,000 mi (gone to that great autobahn in the sky)