walbro, FPR needed?

[4g63t]

I have a wallbro 255 lph fuel pump do I need a ajustibul fuel pressure regulator to run it? If so ware can I find one that has a gauge on it for cheeper? (under 100$) what would i run like without it

 

[EclipseTrbo420A]

Would this work for my 1g tsi by what I understand this will work?



http://cgi.ebay.com/ebaymotors/FUEL...ewItemQQcategoryZ46098QQitemZ8023360602QQrdZ1

just remember you get what you pay for.

 

[eclipsh]

No, that regulator will not work from the looks of it. It looks like it can only turn pressure UP and you need to turn it down and control it.

Oh, and oldman, I do know that the seal for the fuel pump plate has a break in it. I'm sure that is why I'm not spiking too high. And no, I did not reset my ECU. I play fair And I am darn lucky too. Oh yeah, and you can't troubleshoot my car since I'm not having troubles *knocking on lots of wood though I know it will do no good*

 

[4g63t]

ok then ill just save some cash up and buy a nice one.

 

[EclipseTrbo420A]

ok then ill just save some cash up and buy a nice one.

DSMPARTS.COM bolt on fuel pressure regulator. 150.00 bucks and its BOLT ON, no fittings and such to mess with. pick up a gauge there for an extral 20 I think and be done with it.

 

[speed127]

Ok guys... I'll through 1 out there. This is all about stock turbo cars, right? How about my 96 NT that I am adding a turbo to as we speak? I will be putting in a 255 walbro pump, and was looking at getting a procharger FMU and running around 10 pounds of boost. Question is, instead of the procharger which raises the fuel pressure about 10:1 should I go with something that will bolt onto the fuel rail? Will the stock FMU be able to handle the extra pressure or volume of the pump, or should I add both a new better FMU and the procharger? WTF

 

[femmeDSM]

Oh yeah, and you can't troubleshoot my car since I'm not having troubles

You have just jinxed yourself, sir! Never say anything like that again! .

 

[eclipsh]

Let me refraze that. I'm not currently having trouble with my fuel system. I have all sorts of other problems; grinding tranny, worn out power steering rack, crappy springs, so I think I have enough problems not to worry about another one.

 

[oldman]

Let me refraze that. I'm not currently having trouble with my fuel system.

except for the pump seal, you might as well stayed with the stock pump. Also you have fpr overrun, the 38 psi your mechanic reported is most likely with the vacuum line attached. What do you have to say now?

 

[eclipsh]

Actually, I didn't install it. A previous owner did. You are right though, I do need to replace that seal. I should also rewire the pump. I can hear the pitch of the whine change when I turn on my blinkers. ROTFL But I'm not doing any of that until I get a FPR, since you've all done such a wonderful job convincing me that I'll have massive problems with idle and running otherwise.

I'll just wait for that $110 unit on DSMparts to get back in stock.

Oh and I specifically asked about using a FRP when talking to my mechanic during my fuel pump issues (idiot who installed it pinched a wire and it eventually grounded out) and he said it was within spec, so it must've been without the vac line off.

 

[4g63t]

CAn I use my data loger fuel trims to ajust my reguler?(when it comes) I think now they are 100h 100m 89L at idel. Should i ajust so they are the closest to this?

 

[4g63t]

I instald the regulator and pump and my gas milege sux but the car runs perfect is this normal now that i have 650cc injectors and a 255lph with a fpr? Or do i just need to tune it better?

 

[EclipseTrbo420A]

Have you re-set up your fuel trims now that the fpr is in. You are going to have to do that.

 

[oldman]

I instald the regulator and pump and my gas milege sux but the car runs perfect is this normal now that i have 650cc injectors and a 255lph with a fpr? Or do i just need to tune it better?

I'm not able to open your profile yet due to some site upgrade still going on, what are you using to tune the 650s and what psi do you have the afpr set to? Which afpr?

 

[racetracker]

i have a 255 and a cheap fpr from ebay but i dont think its a rising rate do i have to have a raising rate with it being turbo (i just swapped from nt)

 

[oldman]

i have a 255 and a cheap fpr from ebay but i dont think its a rising rate do i have to have a raising rate with it being turbo (i just swapped from nt)

NT fpr is also a 1:1 riser fpr.

 

[FSTRDNU]

i have a 255 not rewired, a NT FPR, and i had a SAFC II, but it was just stolen, they tried to steal my car as well, but they were unsuccessfull. so i am installing a steering colulmn tomarro.
i went 12.4, at 108 on that setup on a ported 14B.
and got about 25-30 est MPG.
but he safc was only tuned for like -5 at idle, and about +5 when boost comes in at about
3000 RPM.
so nothing to major, will i be fine without a safc?

and my fuel trims were like 118% , but i dont know what those ment, but the car ran like a beast for 10k miles

 

[4g63t]

I am using my chip in my ecu for injectors that i made and the gas milege was good b4 the pump instal how do i reset up my fuel trims? i dont have a guage yet i think my high trim is at 106 at idel and the rest are 100 it use to be 89. it was studdering under 15-17 psi of boost then i ajusted it and now it runs grate but drinks gas. can i check a psi with my logger some how?

 

[oldman]

I am using my chip in my ecu for injectors that i made and the gas milege was good b4 the pump instal how do i reset up my fuel trims?

I strongly suggest having fine tuning capability to go along with your eprom, even Jeff makes the same recommendation on the dsmchips site.

i dont have a guage yet i think my high trim is at 106 at idel and the rest are 100 it use to be 89. it was studdering under 15-17 psi of boost then i ajusted it and now it runs grate but drinks gas. can i check a psi with my logger some how?

what gauge are you talking about? I hope not the fuel pressure gauge.

 

[4g63t]

is a fuel pressure gauge not the right one to get?

 

[oldman]

is a fuel pressure gauge not the right one to get?

Of course it's the right one, it is required that you have a fuel pressure gauge when you install an afpr, what good is an afpr if you can't adjust it. You said you don't have the gauge, I'm asking which gauge don't you have?:

 

[4g63t]

Thanks for all the info, I know what you meen now I read on the dsmchips site and to ferther tune I need to get a FPR gauge then ajust it to 43.5 psi for the fic 650s or I could just buy a stage 3 chip but a gauge would be cheeper. Do I install the gauge right befor the FPR or over by the fuel filter? I guess iv seen them bolth ways. Sory for all the confusion all this fuel work is new to me.

 

[eclipsh]

Your FPR should have a place to install a gauge on it. That'll probably be the easiest location to install it at.

 

[oldman]

That's alright, let me just clear few more things up for you.

1. What you set your afpr to is consistent no matter which injectors you have. The purpose of an afpr is to properly set the base pressure, not to compensate for the 650s. 1G=37psi without vacuum hose, 2G = 43psi without vacuum hose. You set the base pressure and just leave it alone.

2. Don't you already have a chip burnt for the 650s?

3. To fine tune with an eprom setup, you need a safc or the likes.

4. Which afpr did you buy? Please don't say B&M Commandflo or an ebay knock off.

 

[DsmPimp20]

Hey,
I would say the AFPR is needed but, I drove around for a year and a half with a wlbro 255 before I put mine on. I haven't noticed a difference in gas mileage since the install. Just nice to know that it is there, kinda like a piece of mind thing. I would say that if there are more pressing matters then handle them first because I don't think you are gonna notice any difference after you throw the AFPR on.

 

[4g63t]

Yes the chip is to compinsate for the injectors. I dont know the brand because I baught it from a local dsmer. I know it doesent matter what size of injectors you have for the base pressure, it said to ajust to 43.5 to make it posibel to max out your injectors. I got a gauge to instal tomarow to see what the pressure is at so I will ajust from there. So I need to ajust it back to factory pressure 37psi?