? re: Walbro 392 install - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 10-22-2009, 08:24 PM Thread Starter
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? re: Walbro 392 install

For those of you with a Walbro 392 as your high-pressure fuel pump, what fittings do you need to have it mate up with the factory lines? I have a set of fuel line QD tools, so removing the factory output line won't be a problem (the AirDog replaced the input line) but if I need to go out and get some oddball barbed fitting or adapter, that would be good info before I take my truck out of service.

2K2 F350 PSD/ZF6, Fluidampr/Melling LPOP, AirDog/ITP RR, DP F5, Tymar/high-flow outlet/MBRP 4", Dynatrac Free-Spin hub conversion
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post #2 of 2 (permalink) Old 10-26-2009, 02:37 AM Thread Starter
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Yesterday I was just trying to remove the line between my AirDog and the factory fuel pump on my '02 PSD and I broke the adapter fitting that attaches over the input of the factory pump... Go figure, it was 4:45 on a Saturday and any hose shops that might have a 1/2" barb-to-1/8" NPT (that's what it looks like--turns out it's 10mm x 1.0 metric) fitting are closed. Chit chit chit chit--I have to work the next three days and won't really have time to screw with this until early Monday morning or Tuesday afternoon. At least I can ride my bike to work (inconveniently, but I can do it) but it would be really nice to have my truck available.

Today I found a fitting at NAPA that will replace the adapter I broke yesterday (it's a 5/16" Ford QD transmission line fitting) but since the input of the OEM pump is machined as one piece with the pump body, I'm just as screwed since there's no way to take that fitting off and install it onto the new pump. If I didn't have the AirDog pump (one of the biggest wastes of money I've put on my truck), I could just run some 3/8" fuel line to the factory hard line but the AirDog uses a 1/2" i.d. hose to a female push-lock fitting and then into the adapter for the factory pump's QD fitting.

2K2 F350 PSD/ZF6, Fluidampr/Melling LPOP, AirDog/ITP RR, DP F5, Tymar/high-flow outlet/MBRP 4", Dynatrac Free-Spin hub conversion
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