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rjtmovement 08-14-2019 05:35 AM

Fuel Separation Systems
Are fuel separation systems like Fass Fuel System a must install in diesel vehicles like my 2008 Mercedes-Benz M-Class ML 320 CDI? Will it do anything to improve my vehicle's performane?

oldsinner111 08-14-2019 06:26 AM

any water separator is a good thing,however make sure enough fuel pressure

GregMN 08-14-2019 10:23 AM

Fuel Air Separation System

Your fuel system is pressurized from the tank to the injectors. No suction, no air infiltration, no need.

barry12345 08-14-2019 04:20 PM

Not a scam as it includes a water separator. Beyond that I really have my doubts.

Low price to get you in the door but then you have to buy their replacement fuel filter.

The way of the human condition. If you expect to see improvement you can imagine it. I can think of no way this can increase fuel milage unless your old filter is obstructed. I base this on many people claiming a 1-2 mile improvement just by changing out an old fuel filter.

NZScott 08-16-2019 05:44 AM

A Cat 1R-0750 (or equivalent large,r finer filter) would be the only worthwhile filter mod IMO, and that's nothing to do with performance, only change intervals and better filtration.

Junkman 08-18-2019 10:49 PM

These ain't Dodge Cummins with their horribly under sized and poorly designed fuel systems feeding a $1,000 VP44 before the problems with the VP were fixed.

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