Nissan 370Z Forum - Last few fuel dots?!?

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Nissan 370Z Forum (http://www.the370z.com/)

- Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)

- - Last few fuel dots?!? (http://www.the370z.com/nissan-370z-general-discussions/67096-last-few-fuel-dots.html)

122554

04-30-2013 03:17 PM

Quote:

Originally Posted by Bucketlist2012 (Post 2293464)

My MPG ? Geez I never look because I don't care....I bought it to go fast...

^^^^^ this!

Being out of the country so much, I really don't give a damn. Filled it up in January, and again last week so far this year!

JARblue

04-30-2013 03:19 PM

Quote:

Originally Posted by CDepp (Post 2293504)

I know JAR. I'm just stating that letting your tank go to the last few dots is not going to give you any more information about the capacity to use a tank of gas than filling up after using 1 gallon. The math and physics don't change over the life of the tank, so you can just as accurately gauge how far you can go from 1 mile from fill-up just as easily as waiting until you've used 3/4 of a tank, regardless of how much gas you have left.

Again, not a reason to run your tank low. But, if it's your preference, go all about it. :tup:

I'm just a logic guy, so if you say you have a rock that keeps away tigers, and justification is that you carry the rock and never see a tiger, I might say something. Running low on your tank provides no more information about how far your car can go as filling up every few miles.

Like you say, it's all in how well you drove the car, or intend to drive the car from filling up.

Cheers!

:tiphat: I understand exactly where you're coming from. Now that you have removed all logic from my argument, going forward, I will be emptying the fuel tank just to show you guys that it doesn't hurt anything :rofl2:

JARblue

04-30-2013 03:22 PM

Oh and to be clear... I don't care about my mpgs. I like to know how many miles I get per tank so I don't have to stop for gas if it's inconvenient. More than once the Z has told me I have --- Miles Remaining when I know I can get another 50 miles out of the tank (that's a couple of days worth of my regular commute).

zeeder

04-30-2013 04:37 PM

I'm with you on wanting to know what my mpg is on every tank so I know how many miles I can travel. That said, I always thought Z's had a 20 gallon tank so I'm glad I read this thread! I'm still breaking the car in so while I haven't done much spirited driving yet I have been varying the gear and RPMs frequently so I averaged around 18.6 MPG. In my '07 350Z I would generally average between 16MPG and 20MPG depending on how much highway and how spirited my driving was that tank. I assume that the 370Z will be similar.

CDepp

04-30-2013 06:34 PM

Quote:

Originally Posted by JARblue (Post 2293682)

:tup::roflpuke2:

CDepp

04-30-2013 06:42 PM

Quote:

Originally Posted by CDepp (Post 2294030)

:tup::roflpuke2:

I'm an @ss sometimes. My bad

JARblue

04-30-2013 06:43 PM

Quote:

Originally Posted by CDepp (Post 2294042)

I'm an @ss sometimes. My bad

:icon18: no apologies necessary dude :tup:

I can dish it out and I can take it

Bucketlist2012

04-30-2013 06:51 PM

Quote:

Originally Posted by CDepp (Post 2294042)

I'm an @ss sometimes. My bad

Welcome to the Club....I am thinking of starting a A$$hole anonymous club....:tiphat:

Wabbyyy

05-01-2013 09:17 PM

I never let my car get below a quarter of a tank. Play it safe

Ubetit

05-02-2013 06:34 AM

Quote:

Originally Posted by UNKNOWN_370 (Post 2222959)

If anyone is getting over 20mpg's combined? You wasted money on a sports car

Thread title advice to the general public... Fill at Five. You'll destroy your fuel pump early causing another problem and blaming Nissan for it

I fill at 2 dots and my last 5 tanks have all been over 20.6 MPG. :happydance:

Coon-azz

05-02-2013 06:47 AM

Quote:

Originally Posted by OldGuy (Post 2172310)

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

Agreed...issue resolved. :tup:

JARblue

05-02-2013 07:24 AM

Quote:

Originally Posted by Coon-azz (Post 2296561)

Agreed...issue resolved. :tup:

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.

SouthArk370Z

05-02-2013 08:51 AM

Quote:

Originally Posted by JARblue (Post 2296587)

... 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. ...

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.

JARblue

05-02-2013 09:04 AM

lol thanks SouthArk :tiphat: Always with the technical answer :tup: I understand how and why a fuel pump can fail but not how it relates to my fuel fill up habits. Running out of fuel seems to be the most likely reason for failure, but otherwise, it's likely going to be a event that happens randomly and unrelated to the fuel level at the time of failure. I hope that makes sense.

Sorry, I'll try not to beat this dead horse any more :ugh2:

kenchan

05-02-2013 10:08 AM

:hello:

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