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03-27-2017, 02:50 PM
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#1
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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high fuel return rate
I have searched around and can't find anything relevant about this so looking for some help. I have a 12v p pump motor that's been sitting awhile and I fired it up and it ran ok until I got the rpms up a bit, it went to returning a lot more fuel and running rough, then it died.
So I put a tork tek ohv in it thinking it might have stuck, no change, then I came up with a set of low mile ddp injectors so I swapped them in, that really didn't change much either.
So short of pulling this thing apart and shipping it to Seth is there anything anyone thinks is happening that is easily loosened up? I assume somethings sticking or am I off?
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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03-27-2017, 03:42 PM
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#2
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,832
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Fuel pressure?
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03-27-2017, 07:44 PM
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#3
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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Well I don't know, I just knew it was getting fuel I'll have to check it.
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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03-28-2017, 05:52 AM
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#4
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Name: jasonc
Title: Too Much Time
Status:
Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,396
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What do you mean by returning fuel, are you talking from the overflow valve? How are you seeing it.
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03-28-2017, 07:18 AM
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#5
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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This motor is sitting on a pallet, the return line is stuck in the jug I'm pulling out of.
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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03-28-2017, 07:21 AM
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#6
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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When I first started it the return line didn't have hardly anything coming out of it, when it started acting up it started dumping a lot of fuel out of the return line.
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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03-28-2017, 08:11 AM
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#7
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Name: jasonc
Title: Too Much Time
Status:
Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,396
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Only thing it can be is the overflow valve is dumping to much fuel. I guess it wouldn't hurt to take the injector return line loose and see how much its returning from it alone. Never seen the injector return dump much if any fuel but worth a look.
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03-28-2017, 01:47 PM
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#8
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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Is there differences in those? That new tork tek has a few minutes run time on it at most
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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04-14-2017, 08:05 AM
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#9
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Name: YOUNG GUNS15
Title: Im AWESOME!!!!
Status: Not Here
Join Date: Sep 2009
Location: Utah
Member`s Gallery
Posts: 7,346
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If your worried about the pump, pull the delivery valves and make sure each plunger is traveling the full stroke.
Sent from my iPhone using Tapatalk
__________________
Spence
-1994 4x4 12 valve 13mm, single 475 748/1292 Fuel 872/1470 N2O
-2005 4x4 12 valve CCSB 3rd gen '12-rail' 280hp
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04-14-2017, 08:28 AM
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#10
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Name: Knoberman
Title: swapping
Status: Not Here
Join Date: Feb 2011
Location: Mid mo
Member`s Gallery
Posts: 2,512
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Planning to look into it a little more this weekend.
__________________
Keith - 92 12v in a 86 cc f350 4x4.
Quote:
Originally Posted by Snedge
I went to a Disney movie the other day and almost saw a mermaid tit.
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