fuel starvation
 

When experiencing fuel starvation dies the car go lean? Having huge issues at Brainerd. Every right turn with two fuel lights gone and I go starvation...should I park the car?

No u should get gas.

Weit wtf r u talking about?

Yes it can go lean. Stop doing it until you fix it

Fill up after every session, what I have to do.

Of course if you starve yourself you'll get leaner!
Don't fill in with soda every after meal!

Your Z's weight should be fine.:ugh2:

I do fill and then some after each session. I am really frustrated. I start having issues after 10 minutes. How do race cars fix this?

Phunk is a forum sponsor and has a product that is probably your best solution. You want the Road Race Fuel Pump in this link http://www.the370z.com/engine-drivet...-overview.html

Your other option is to keep the tank full. If you're not going to fill the tank, you'll just keep getting fuel starve. Don't do that; park the car.

I have been thinking of duct taping a gas can to the side of the car. :)

Hmm....double gas tank, might be cheaper than CJ fuel starvation kit




Lmfao.

until you get Phunk's solution, when you get the fuel starve the first time, start going through those particular corners up one gear higher than usual and easing off the throttle a tiny bit. you can usually get another 10 minutes out of the car that way. At Road America I was getting it in the carousel with only 1 dot down.

I'll try that...thanks. Very frustrating. All but ruined it for me.

I'm pretty sure he has them in stock too.

1 or 2 dots in i tend to fill up with another 4-6 gallons which is enough to cause the fuel starve like Mike said try a gear up and let off just a bit.

I think next time I am going to bring a 5 gallon canister with me. That way I can pull off the track and fill it up and not loose too much time. ...Ok for now until I spend $1700 to FIX the issue. Still very upset. FU Nissan.

Careful Arrvaxx, if your running boosted and are into the boost when it goes lean it could very well pop the engine. It only takes one good lean stretch to kill an engine.

Thanks. Yeah, I was lucky this weekend. I didn't expect it to happen so when it did I questioned what was going on. Ran it WAY too many laps with the issue. I won't be putting it on the track again without an A/F. Better call Galeforce and see if he has any A pillars in stock.

So what is the real fix for this? I'm so tired of sputtering coming out of right handers! It seems like a fuel sump would be a logical fix.. I'm even getting this with over half a tank of fuel!

I get it before I'm at 3/4 tank, Punks kit is the only option I've seen.

http://www.the370z.com/track-autocro...round-2-a.html

I'm sure it works, but I am hoping for a little cleaner bolt on solution. I'm not crazy about putting all that stuff in the tank..

If you find something else that works please let us know!

Anyone know around how many hours labor a dealer would charge to change out the fuel pump?
I want to hit the track after winter, so this might be a smart.

I was told 6-10 hours in the other thread.

I think this would be a good time to find a performance shop and have them do it. 6-10 hours at a dealer would break my bank.

LOL to each their own I suppose... the entire purpose of putting it all in the tank is to make it cleaner. I am not a fan of external fuel storage containers, pumps, and fuel lines looping all about the car! The RRP is 100% concealed inside the fuel tank... you wont find anything cleaner!

The Nissan dealer is not qualified to install this type of product! No way! Skilled performance shops only.

Not because the job is hard, but because a very high percentage of people who get jobs working on cars, have no business working on cars!

Phunk what is the estimated pro install time required for your pump? It certainly looks like the solution.

6-10 hours is the official estimate.

If you could just turn the gas tank inside-out... this would literally be like a 2 hour job at most. All of the difficulty stems from having limited space to reach inside the tank to work, and very limited line-of-sight.

When people have made small goof-ups during install, it generally takes them HOURS of work to figure out where they went wrong (then again, I believe a large percentage of this time is in the hesitation to go back inside the tank and actually look, versus theoretical diagnostics). This poor line-of-sight seems to prevent them from being able to take it all in at once and see how its supposed to work. I get the impression that everyone feels like they are working blind (literally and figuratively). If all goes well, than it doesn't matter and they are on their merry way. If something isn't correct, it becomes difficult to diagnose if you don't have the big picture of its functionality.

There are ABOUT 40 RRPs out there installed now. I would say 3-4 guys had a couple issues, and 1-2 of them had it painfully set them back with frustration for a couple days worth of spare time.


Now I must add here... your application of higher HP is going to require some added hassle unfortunately. The RRP kit is based on a single Walbro 255 pump in its standard configuration. The RRP was designed with higher output in mind and has upgrade-ability built into it... but nobody has yet put it through its paces on a car as powerful as yours. I would have put together a customized kit for you and communicate directly with your installer about how to set it up and what to watch for to make sure everything is OK.

Yeah I have already talked to Tony at Fast Intentions. He wants to be involved too in case they need to modify anything. I will reach out in a bit.

After installing mine. I think I could install one now in under 6 hrs. The main thing is taking the seats out, with the rear interior panels to get working room.

how is it that DJTodd was able to run this track with all his power and E85 without running into this starvation issue?

is this strictly related to auto x events with super tight turns?

https://www.youtube.com/watch?v=kEEQIH0orFA

I think i am one of the 1 or 2 that had some issues Phunk spoke about. In hindsight i know i could get this done in 6 hrs or less. It is one if not the best mods you can do if you like the track or dodging cones.

Phunk helped me out via text or phone call on several occasions when i had my issues.:tup::tup::tup: for the CJM RRP

I had the issue on a track at 10 minutes/2 gallons on every right...both low speed and high. Had the issue on an autocross event with less but more of what I was expecting.

So far no one has told me my experience is abnormal on a track. :/

If anyone knows any pros please point them to this thread. I'd love to know how they deal with it because you can't tell me they race for 10 minutes then take on fuel and tires.

So far, the only other solution that has been applied is a custom fuel cell to eliminate the factory fuel tank.

I dont think what you are describing is anormal. For me if i started a session with anyrhing less than 2 dots from full i would fuel starve towards the end of the session. Track config plays a big part as well. I figured any right hander of .7 g or more was when i would get it. I would think this is compounded as far as how long it takes to start because of your setup. Your flowing fuel at a greater rate than i am.

My 2 cents...if i had invested 15 to 20k in FI i wouldnt blink a eye to solve fueling issues for another 1200 bucks and some of my time.

Thanks Rangerz. I agree and will. It's just that it wasn't on my radar. Now I have to decide to get my car reveal ready and miss early year track days or get it track ready and put off the reveal. Not sure I can swing both this winter after spending so much this year.

We have a small track (test track) here in Switzerland.
New road surface and super grip Level :driving:

http://www.the370z.com/attachment.ph...1&d=1410443143

The yellow arrow shows the direction of travel

The red arrow indicates the point at which the "Z" starts to stutter (starvation)
(Full acceleration after the very long left curve (approximately 0.8 G-Force) and just before the braking point)

This happened to me even at half full tank
With a full tank no problem

I hope I could describe it properly

Greetings

No, Sebring turn 17 is a fast big bumpy U turn between the back and front straight that my Z is around 60 and if I don't have a full tank it hits me every time when I get in the gas. My friend was on my butt in a supercharged Z06 and its so bad he thought I jumped off the gas to brake check him without the lights. He was mad until I told him what it was.

Man I wish we had tracks like that up here. I would spend soooo much time on it Id need a dedicated track car just to keep the miles down on my dailys. lol

Funny you say that, I just started looking for a new DD to keep the miles off my track car.

most shops aren't either, for the same reasons. best to do it slow yourself, and do it right.