Last few fuel dots?!?

OldGuy

Just play it safe and fill up when you fall below half. One less thing to worry about with this car.

Coon-azz

Agreed...issue resolved.

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JARblue

Other than fuel starvation potential, I'm still confused as to what is the actual issue. If I'm driving where I think FS might be a problem (i.e. on a track), then I will adjust my fill up habits accordingly. So far, all I've heard, is that the life of the fuel pump might be shortened by waiting so long to fill up with no evidence why or how that might happen. I will certainly post if I ever have a problem, but I haven't had a problem yet in 2+ years of DD.

No response needed unless you can explain why the fuel pump would fail because I don't put gas in the car soon enough with a 'running out of gas' scenario excluded from the equation. I'm happy for everyone to do whatever they want when they fill up their cars, but it just seems like there are a lot of people saying that the Z should be filled up at 5 dots or half a tank or something without a valid reason why.

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SouthArk370Z

The two theories that I have seen/heard are: lack of general cooling and lack of seal lubrication. Both caused by loss of flow for extended periods while the pump motor is running.

Most common reasons for loss of flow seems to be clogged inlet filter and corrosion/erosion caused by water and/or alcohol. I didn't dig very deep, but it appears that lack of fuel only becomes a problem if it lasts for more than a few seconds. Google "fuel pump failure" for more info.

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