370 PSA, fill up your tank or turn left only

kenchan · 07-23-2013, 11:16 AM

maybe im not taking my right turns faast enough.

should both my right tires be off the ground while i make this fast right turn?

Mitco39 · 07-23-2013, 11:24 AM

I was doing oh probably about 80-85 mph around a on-ramp onto the freeway. Left a beamer in the dust till the car quit, lol.

kenchan · 07-23-2013, 11:27 AM

Quote:

Originally Posted by Mitco39

I was doing oh probably about 80-85 mph around a on-ramp onto the freeway. Left a beamer in the dust till the car quit, lol.

...ok, im definitely not going fast enough then...

Mitco39 · 07-23-2013, 11:32 AM

Quote:

Originally Posted by kenchan

...ok, im definitely not going fast enough then...

Its one of the few places you can push the car without really worrying about your speed. Make the turn then slow back down for the freeway. The car could have held more speed to, it stayed planted the whole time.

synolimit · 07-23-2013, 11:25 AM

Quote:

Originally Posted by cossie1600

I don't want to say too much except I had to be towed to the gas station again. This is my third tow related to fuel starvation. I had about 6 or 7 dots on my gauge, but apparently that isn't enough for street driving. So do yourself a favor, keep the tank fill or prepare to get stranded or run over by trucks at the on ramp.

I don't get it, tank still has fuel. If the purge tank always runs dry because of the sharp turning than all you'd have to do is prime the pump a few times. Same as if you ever replaced a fuel pump before. Turn the ignition on but don't start it like 5-6 times. The pump will suck up fuel into the purge tank and fill it back up. Than you can start the car. Unless I'm missing something here! Every fuel pump I've done before is on an empty tank. When you pull everything out and dump the purge tank and swap pumps, the purge is put back in bone dry. Only way to fill it back up is fill the tank completely (which isn't possible in your garage) or prime it several times. It shouldnt be a big issue.

Mitco39 · 07-23-2013, 11:29 AM

Quote:

Originally Posted by synolimit

I don't get it, tank still has fuel. If the purge tank always runs dry because of the sharp turning than all you'd have to do is prime the pump a few times. Same as if you ever replaced a fuel pump before. Turn the ignition on but don't start it like 5-6 times. The pump will suck up fuel into the purge tank and fill it back up. Than you can start the car. Unless I'm missing something here! Every fuel pump I've done before is on an empty tank. When you pull everything out and dump the purge tank and swap pumps, the purge is put back in bone dry. Only way to fill it back up if fill the tank completely or prime it several times. It should be a big issue.

The problem is is that the tank has 2 chambers or a saddle so to speak. Take a hard right and all the fuel will spill over into the left saddle. The pump will sit there in the right saddle and wont be able to prime itself. It has a transfer system to suck fuel back over to the right side but as you know you need a bit of fuel on the right side to begin with to be able to get enough suction.

synolimit · 07-23-2013, 11:45 AM

Quote:

Originally Posted by Mitco39

The problem is is that the tank has 2 chambers or a saddle so to speak. Take a hard right and all the fuel will spill over into the left saddle. The pump will sit there in the right saddle and wont be able to prime itself. It has a transfer system to suck fuel back over to the right side but as you know you need a bit of fuel on the right side to begin with to be able to get enough suction.

I've seen the pics inside. With 7 dots the hump isn't big enough to not allow some of the fuel to go back over I'd think. I've seen the tube also on the left side which should bring some back so i don't know. Not saying this is a myth, but more time, more primes?

Mitco39 · 07-23-2013, 11:54 AM

Quote:

Originally Posted by synolimit

I've seen the pics inside. With 7 dots the hump isn't big enough to not allow some of the fuel to go back over I'd think. I've seen the tube also on the left side which should bring some back so i don't know. Not saying this is a myth, but more time, more primes?

You could be right, Like I said my car died and I just sat there and primed the pump and was able to nurse it back to 100 percent on the side of the road. My gauge went from 4 dots down to 0 around that turn as well.

synolimit · 07-23-2013, 12:03 PM

Quote:

Originally Posted by Mitco39

You could be right, Like I said my car died and I just sat there and primed the pump and was able to nurse it back to 100 percent on the side of the road. My gauge went from 4 dots down to 0 around that turn as well.

Well there you go! How many primes? And with time the tube probable let fuel drip back over, fill up the right side, you did enough primes, and bingo.

Still a major design flaw and will be no fun racing.

Haboob · 07-23-2013, 11:46 AM

We don't have many sweeping rights here in Phoenix, so I don't even have an opportunity to recreate this.

However, I'm taking a trip up North soon through some twisty's and I'm kind of worried.

Wondering if I should get a couple-gallon cans, fill them, and keep them in the hatch during the drive just in case.

Sounds like I'd need more though.

synolimit · 07-23-2013, 11:55 AM

Quote:

Originally Posted by Haboob

We don't have many sweeping rights here in Phoenix, so I don't even have an opportunity to recreate this.

However, I'm taking a trip up North soon through some twisty's and I'm kind of worried.

Wondering if I should get a couple-gallon cans, fill them, and keep them in the hatch during the drive just in case.

Sounds like I'd need more though.

Well from what they're saying 5 should be enough since the pump and fill up is on the right side. I have 3 5 gallon cans at home. I still want to do this since I have a 2013 with lots of things changed from the older years. Maybe they did, maybe they didn't fix it.

Haboob · 07-23-2013, 12:00 PM

Quote:

Originally Posted by synolimit

Well from what they're saying 5 should be enough since the pump and fill up is on the right side. I have 3 5 gallon cans at home. I still want to do this since I have a 2013 with lots of things changed from the older years. Maybe they did, maybe they didn't fix it.

Yeah, same. I have taken sharp rights kind of quick (for me anyways) and nothing has happened yet.

I guess I just need to take it out to a huge parking lot and have some fun to test it out and bring some fuel along just in case.

FPenvy · 07-23-2013, 12:07 PM

Quote:

Originally Posted by cossie1600

I don't want to say too much except I had to be towed to the gas station again. This is my third tow related to fuel starvation. I had about 6 or 7 dots on my gauge, but apparently that isn't enough for street driving. So do yourself a favor, keep the tank fill or prepare to get stranded or run over by trucks at the on ramp.

i dont understand these complaints. i've got 26k miles on my Z and i drive hard. not once have i ever had a fuel starvation problem. pretty sure you just got a defective fuel pump or something. dont blame the car.

USMCASA · 07-23-2013, 12:20 PM

i've taken this curve at damn near 50 with 1-3 dots no issues... sounds like something is failing on your car...
https://maps.google.com/maps?q=garne...olina&t=m&z=17

Mitco39 · 07-23-2013, 12:29 PM

Quote:

Originally Posted by USMCASA

i've taken this curve at damn near 50 with 1-3 dots no issues... sounds like something is failing on your car...

The curve I did was pretty much the same, only at about 80mph.

Its the only time its happened to me.

07-23-2013, 11:16 AM	#1 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141522	maybe im not taking my right turns faast enough. should both my right tires be off the ground while i make this fast right turn? kidkotic2001 likes this.

07-23-2013, 11:24 AM	#2 (permalink)
Mitco39 A True Z Fanatic Join Date: Aug 2012 Location: Edmonton Alberta Canada Posts: 2,089 Drives: 40th 370z Rep Power: 134	I was doing oh probably about 80-85 mph around a on-ramp onto the freeway. Left a beamer in the dust till the car quit, lol. __________________ 2007 Chevy Duramax - EFILive Tuned By Me 2010 40th W/ Nav - Boosted Performance - UpRev Tuned By Me The Mrs. Ride -2012 335XI N55 BMW - Cobb Tuned By Me, Built by her My Build --> http://www.the370z.com/members-370z-...39s-build.html

07-23-2013, 12:20 PM	#14 (permalink)
USMCASA A True Z Fanatic Join Date: Nov 2009 Location: NC Posts: 1,152 Drives: 09 370z CY M6 Rep Power: 19	i've taken this curve at damn near 50 with 1-3 dots no issues... sounds like something is failing on your car... https://maps.google.com/maps?q=garne...olina&t=m&z=17 FPenvy likes this.

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07-23-2013, 11:46 AM	#10 (permalink)
Haboob A True Z Fanatic Join Date: Aug 2012 Location: Surface of the sun. Posts: 13,159 Drives: '18 GTI Autobahn DSG Rep Power: 1388	We don't have many sweeping rights here in Phoenix, so I don't even have an opportunity to recreate this. However, I'm taking a trip up North soon through some twisty's and I'm kind of worried. Wondering if I should get a couple-gallon cans, fill them, and keep them in the hatch during the drive just in case. Sounds like I'd need more though.