Originally posted by Exodus_2pt0
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Crazy Find...Airtex e2448 same as Walbro 255lph
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Originally posted by reelizmpro View PostI got this pump and it is a Walbro...however, it's pick up filter is too high which will lead to fuel starvation while still having fuel in the tank.
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So i got one of these for my coupe and it's been working great for over a year now. some fuel starvation when i'm on an on/off ramp with almost no fuel (less than 2 gallons) and i'm really moving. but aside from when i drive like a retard, no issues at all.
but, now that i've got this '87 vert with an in-tank and an external pump, would there be any way to install this pump in place of the external pump? or any other cheap options? (It's going on a flip car, so i don't want to spend much money, but i want it to be a solid car.)
pic:
sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]
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I got one today from rock auto. Definitely not a walbro or at least not labeled as one :/
EDIT: there are 2 versions on the E2448 I got the correct one. Clearly labeled with Walbro on it.Last edited by bmk; 10-12-2014, 10:05 PM.Worlds 1st LS powered e30 cabby.
Cabbillac: 92 LagunengrĂ¼n cabriolet + cadillac LQ9 + Nitrous + rotiform SJC
Raphael: 88 LagunengrĂ¼n IX + Hella 500's + Red ACS type 1's
Shaggin Wagon: 01 325xiT 5 speed
91 MR2 GT3076TS + E85 = 505whp + antilag = wheelies
88 CRX OEM+ 42mpg DD.
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Originally posted by McGyver View PostSo i got one of these for my coupe and it's been working great for over a year now. some fuel starvation when i'm on an on/off ramp with almost no fuel (less than 2 gallons) and i'm really moving. but aside from when i drive like a retard, no issues at all.
but, now that i've got this '87 vert with an in-tank and an external pump, would there be any way to install this pump in place of the external pump? or any other cheap options? (It's going on a flip car, so i don't want to spend much money, but i want it to be a solid car.)
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Originally posted by NitroRustlerDriver View PostNo way to use this as a replacement for the external pump, but you should be able to switch the internal pump to one of these and then eliminate the external pump. Not sure if the in-tank pump is a direct swap though. This has been talked about before. Search.
So then my question, are there any cheap alternatives for the external pump on an early car?sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]
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***I went to Advance Auto last night looking for the Walbro. Turns out Advance switched suppliers and now the pump's box is branded CarQuest. The CarQuest pump DOES NOT have the Walbro logo on it. Looks like the deal is up unless you can find an old box or a different store selling them as Airtex.**
Wow, 1 year later and I'm back to the exact same issue. No fuel to the rail or to the high pressure pump, test light shows voltage and amps at both pumps, neither pump makes noise/vibrations (even when hooked directly to a car battery). Looks like sitting for about 7 months has killed them. So now I'm just going to convert to a single in-tank using this Airtex/Walbro. I know a lot has been posted about what it takes to convert from an early 2 pump setup to a late 1 pump setup, but most of the information is scattered around. So I'll throw together a write-up with decent pictures and explanations.
Wiring:
This diagram is for a 1987 3-series, specifically a convertible. It is showing that the wire supplying power to the main pump (external?) has a cross-sectional area of 2.5 mm^2 and the wire supplying power to the auxiliary pump has a cross-sectional area of 1 mm^2. I think this will still be a sufficient amount of power.
I plan to cap off the external pump wires and power the airtex/walboro using the in-tank pump wires.
Plumbing:
IIRC, the car has a 13mm diameter hose leaving the intake pump to the external pump. Then the hose size is reduced to 8mm diameter going in/out of the fuel filter. I plan to replace my external pump with a double barb reducer.Last edited by McGyver; 09-18-2015, 05:51 AM.sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]
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