Fuel line sizes - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 10 (permalink) Old 03-02-2015, 11:26 AM Thread Starter
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Fuel line sizes

My factory pump is getting week (dropping 10-12psi @WOT) I was wanting to build a dual Bosch system and I was wondering if the 3/8" pickup and feed line I'm running will be large enough? Guess I'm being lazy and don't want to drop the tank again to upgrade the pickup and lines.

E99 f250 2wd cclb,257k, tymar intake, stock turbo w/ riffraff billet wheel, PIS 230/100,regulated return, hbjr, pmt1, hydra w/dynoproven and powerstruck tunes, 140v Idm, 4" exhuast, isspro's, ccv, ebpv delete, jwvb w/6.0 cooler
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post #2 of 10 (permalink) Old 03-02-2015, 01:08 PM
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Re: Fuel line sizes

Depends how hot the tune is I'm sure you would see a few psi drop bit I would not know I went strait to all 5/8 line
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post #3 of 10 (permalink) Old 03-02-2015, 01:16 PM Thread Starter
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Re: Fuel line sizes

Guess I can try it and see.. But I did read on Strickly FAQ page that the recommend 5/8 so I guess I need to get off my ass and drop the tank

E99 f250 2wd cclb,257k, tymar intake, stock turbo w/ riffraff billet wheel, PIS 230/100,regulated return, hbjr, pmt1, hydra w/dynoproven and powerstruck tunes, 140v Idm, 4" exhuast, isspro's, ccv, ebpv delete, jwvb w/6.0 cooler
Coming soon: BASB
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post #4 of 10 (permalink) Old 03-02-2015, 01:22 PM
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Re: Fuel line sizes

Fwiw my auto parts store show three different brands of replacement pumps I did the research two of them flow 50gph and the one only 35 gph
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post #5 of 10 (permalink) Old 03-02-2015, 09:54 PM
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Re: Fuel line sizes

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Originally Posted by Carolina444 View Post
My factory pump is getting week (dropping 10-12psi @WOT) I was wanting to build a dual Bosch system and I was wondering if the 3/8" pickup and feed line I'm running will be large enough? Guess I'm being lazy and don't want to drop the tank again to upgrade the pickup and lines.
Your gonna want to run minimum 1/2 suction line to those pumps. Preferbilly 5/8.
3/8 is fine for the feed.

If your suction line is too small your gonna burn up those new pumps. It will cavitate
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post #6 of 10 (permalink) Old 03-03-2015, 08:08 AM
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Re: Fuel line sizes

With 238/100 you might and I say might get away with one pump I would try one of the 50 gph pumps and see it can't hurt anything if bit is not enough then add another pump in.
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post #7 of 10 (permalink) Old 03-03-2015, 06:48 PM
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Re: Fuel line sizes

Stocker flows 60 GPH. I would run 5/8 from the tank to the motor. And 1/2 inch from the motor back to the tank.




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post #8 of 10 (permalink) Old 03-03-2015, 10:57 PM Thread Starter
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Re: Fuel line sizes

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Originally Posted by swaan View Post
Your gonna want to run minimum 1/2 suction line to those pumps. Preferbilly 5/8.
3/8 is fine for the feed.

If your suction line is too small your gonna burn up those new pumps. It will cavitate
Everything I read suggests going 5/8 from the tank to pump(s) so that's what I'm going to do.

E99 f250 2wd cclb,257k, tymar intake, stock turbo w/ riffraff billet wheel, PIS 230/100,regulated return, hbjr, pmt1, hydra w/dynoproven and powerstruck tunes, 140v Idm, 4" exhuast, isspro's, ccv, ebpv delete, jwvb w/6.0 cooler
Coming soon: BASB
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post #9 of 10 (permalink) Old 03-03-2015, 11:00 PM Thread Starter
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Re: Fuel line sizes

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Originally Posted by 97 psd big red View Post
With 238/100 you might and I say might get away with one pump I would try one of the 50 gph pumps and see it can't hurt anything if bit is not enough then add another pump in.
Are you talking like a Bosch 044? I read people using them but didn't find much on how long they are lasting

E99 f250 2wd cclb,257k, tymar intake, stock turbo w/ riffraff billet wheel, PIS 230/100,regulated return, hbjr, pmt1, hydra w/dynoproven and powerstruck tunes, 140v Idm, 4" exhuast, isspro's, ccv, ebpv delete, jwvb w/6.0 cooler
Coming soon: BASB
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post #10 of 10 (permalink) Old 03-04-2015, 02:52 AM
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Re: Fuel line sizes

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Everything I read suggests going 5/8 from the tank to pump(s) so that's what I'm going to do.
Yes , that's why I said min 1/2 but preferbilly 5/8.

I run 1/2 from a sump to my fuelab. Works fine. But if I was to use a draw straw from top of tank, 5/8 would be better.
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