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 Post subject: Re: DIXON's MY06 XT - wheel alignment help what figures
PostPosted: Thu Nov 03, 2016 10:09 pm 
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I Say: Car mods are like OddBodz, you got to collect them all! -------------------------------------
Vehicle: MY05 STi swapped sled

Posts: 17175
Location: Spearwood Perth WA
If you raise the fuel pressure to 4 bar, your ID1000s will flow about 1200. The walbro 450 should keep up with that aswell.

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 Post subject: Re: DIXON's MY06 XT - wheel alignment help what figures
PostPosted: Thu Nov 03, 2016 11:05 pm 
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Vehicle: Black My07 XT

Posts: 4489
Location: South East Melbourne
I may look into that. As it will save like $8-900
I already have fpr800 but Its not the e85 version tho.
Rails might be the go also for ease of fuel setup with the fpr and what not. Forst im going to work on getting all the parts on the car first now. The parts on order and that were delivered was about 1k all up. The spending just never stops haha

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 Post subject: Re: DIXON's MY06 XT - wheel alignment help what figures
PostPosted: Thu Nov 03, 2016 11:59 pm 
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I Say: Car mods are like OddBodz, you got to collect them all! -------------------------------------
Vehicle: MY05 STi swapped sled

Posts: 17175
Location: Spearwood Perth WA
Yeah. Thats why i suggested trying to boost up the 1000s first and see where that gets you. But you may well need more fuel than that will give you anyway? But if your keeping with the MAF based fueling, you might run out of MAF volts before you run out of fuel, even with the bigger MAF pipe. So maybe try raising the pressure on the 1000s first before dropping the pennies on 1300s.

I think if you start trying to raise the pressure too high in order to artificially increase injector flow, you run out of pump flow. Because the higher the rail pressure, the less the pump flow. And there is a cross over point where the pump becomes the weak link as you increase rail pressure. At which point you may need to look at twin pumps and/or bigger injectors anyways.


EDIT. This is the Walbro 450 E85 pump flow data, and also the ID1000s flow data. (The ID data didnt correlate ove too well, but basically, first number of each row is pressure, last number is flow at 100%. All the middle numbers are offset values at different voltages.)

We can use this data to hypothetically work out the maximum pressure you could run the rail pressure at before the pump can no longer keep up with demand. Bear in mind, the pump pressure is going to be the rail pressure PLUS whatever boost pressure you run. And the injector flow is at 100% IDC, you dont want to be at 100% IDC, but its good to know whether the pump could keep up should you ever get there. I would assume 2 bar boost in the calculations, even though you might not run that much boost (tuner might run out of fuel before then), its a bit of built in safety net. And i would assume 100% IDC. Again, your tuner wont (hopefully) tune it up to the point of using 100% idc. But its good to know the pump could keep up.


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ID1000 Dynamic Flow Data

Fuel Pressure Offset Slope
(psid) (µsec) (cc/min)
8 Volts 10 Volts 12 Volts 14 Volts 16 Volts
40.0 2485 1630 1210 970 800 980
43.5 2600 1675 1240 990 805 1015
45.0 2720 1705 1295 1000 810 1035
50.0 2855 1750 1355 1025 815 1085
55.0 3015 1815 1400 1055 820 1135
60.0 3195 1880 1440 1080 845 1180
65.0 3370 1960 1485 1100 880 1225
70.0 3550 2050 1530 1125 925 1265
75.0 N/A 2155 1580 1155 975 1305
80.0 N/A 2280 1625 1195 1020 1345
85.0 N/A 2435 1675 1245 1060 1390
90.0 N/A 2610 1725 1305 1095 1435
95.0 N/A 2800 1775 1370 1125 1485
100.0 N/A 2995 1855 1440 1155 1530

http://injectordynamics.com/injectors/id1000/

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 Post subject: Re: DIXON's MY06 XT - wheel alignment help what figures
PostPosted: Wed Jan 04, 2017 1:04 am 
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Vehicle: Black My07 XT

Posts: 4489
Location: South East Melbourne
little update.
meet up with matt and raised the boost and got everything all dialed in to fix the running very rich.
now pushing 25psi through it now. need to sort out afew thing still. buy and install new injectors, install and rewire fuel pump and control module and install flex fuel sensor ready for the flex setup coming once all this is done.

the other day i got to work on the rear end. pulled off the rear lateral links and swapped out all the bushes for group n rubber. also swapped out the rear lateral link that got the swaybar mount chewed out from the lateral link.
tomorrow work will consist of swapping out the springs on the car to the softer set that i pulled from a set of super wagons and adding camber bolts all round. that is if i wake up feeling motivated.
i was hoping to diy both trailing arm links but i dono if i will be able to do the hub side my self so i think i will just leave that for the mechanic to do when he does all the other parts after my holiday.
hes going to be putting in my front control arm caster bushes, rca kit, steering rack mounts and rear diff mounts anyway. then doing a through wheel alignment to my specs.

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Mon Feb 13, 2017 11:44 pm 
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Vehicle: Black My07 XT

Posts: 4489
Location: South East Melbourne
today i installed the walbro 460lph fuel pump in to the tank of the forester. install was easier than i thought it would be.

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Tue Feb 14, 2017 12:55 pm 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
Good stuff. :thumbs:

Did you happen to change the fuel filter while you were in there?
That's if it hasn't been replaced for a while, the in tank filters tend to get forgotten about.

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Tue Feb 14, 2017 7:13 pm 
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Vehicle: Black My07 XT

Posts: 4489
Location: South East Melbourne
that got changed too. whit dad working at subaru i get all the goods i need haha

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Tue Feb 14, 2017 7:30 pm 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
dixon001 wrote:
that got changed too. whit dad working at subaru i get all the goods i need haha


Man I wish I had a connection like that! :lol:
Half your luck. :thumbs:

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Fri May 05, 2017 8:51 pm 
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Vehicle: Black My07 XT

Posts: 4489
Location: South East Melbourne
so after alot of searching, i think i have found a suitable surge tank that doesnt cost an arm and a leg.
i give you the Nuke Performance Billet surge tank
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at a bargin $400 and it will happily take 2 walbro 460lph pumps (i will only be running one tho)
and i think i will be going with the radium rails to flow some new id1300 injectors soon enough too

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 Post subject: Re: DIXON's MY06 XT - Walbro 460lph fuel pump
PostPosted: Fri May 05, 2017 9:14 pm 
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I Say: Car mods are like OddBodz, you got to collect them all! -------------------------------------
Vehicle: MY05 STi swapped sled

Posts: 17175
Location: Spearwood Perth WA
Awesome. Looks like a good bit of kit. Good that it uses internal pumps aswell. It means less external plumbing and such fitting external Bosch motorsport pumps and such. And price is great aswell.

Have you thought about mounting location? It looks like it needs to be mounted vertical??? I put my surge tank kinda down the passenger side of the gearbox, kinda hung from the firewall, behind the front passenger driveshaft. Like where the dump pipe would go if it was on that side of the engine.

It's a great spot if you can fit the tank in there because its very close to where the fuel hardliners come out (and return to) the firewall. And very close to the engine for connection to the fuel rails/reg. So its very short run of additional fuel lines and fittings.

It's also good because that area is a relatively well protected area in the event of a crash etc. And its external from the cabin and on the other side of a FIREWALL. Which is good for safety.

And you can easily plumb in an inline fuel filter after the main surge tank pump to filter the fuel to the fuel rails. You could maybe even fit an earlier model Subaru OEM filter in the early model OEM location. (On the passenger side strut tower.) Again, very close to the tank and existing fuel hardlines and engine etc. So easy plumbing.

And lastly, that location is very close to the battery, so it means a short run of heavy gauge cable to/from the relay and surge tank.

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