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-   -   HELP!!!!!! (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/114054-help.html)

somkincummins95 07-25-2013 10:16 PM

HELP!!!!!!
 
ok i just put my new 7x10 DAP injectors in and after u get over 2000rpm it starts like spitting and sputtering but under those rpms it runs amazing

1999stroker 07-25-2013 11:06 PM

What's your fuel pressure when it sputters out?

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somkincummins95 07-26-2013 09:38 PM

i dont know my stupid p.o.s. glowshift gauge quit working i ordered a new one from autometer

1999stroker 07-27-2013 12:29 AM

List your mods on here and fill out your SIG. Do you have an aftermarket lift pump?

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smokincummins92 07-27-2013 02:35 PM

stock lift pump, the injection pump has been turned up some but I cant remember exactly how much, I know its an industrial injection pump with a bigger fuel plate but cant remember which one. He had a stock tranny when we put the pump on so its not to big. s300 62/65/13 turbo. It was running great till we put the injectors in.

somkincummins95 07-27-2013 05:49 PM

its a #5 fuel plate and 4k gsk that came in the pump and they had the starwheel maxed from when they built it. i slid the plate all the forward and the housing all the way forward and thats it on the fuel besides these injectors

1999stroker 07-27-2013 06:33 PM

So you have a decent amount of modifications. with bigger injectors and a turbo your starving your lp and injection pump. Your not getting enough fuel. I'd say. I'd buy a lift pump asap. Or you can wait til your fuel pressure gauge comes in and see what its reading at idle,2000 rpm and wot. But my guess is not enough furl to much air .

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4x4manonbroke 07-27-2013 06:48 PM

could it be also too much fuel ? ... like loading up a bit and not enough turbo ? might need some timing adjustments now ....

1999stroker 07-27-2013 07:04 PM

If there's a stock lift pump he's gotta be running low on fuel. That's the first thing I would a upgraded before anything else. With an aftermarket turbo he's got enough air. He may need fine tuning but also needs more fuel. The injectors being larger need more fuel but there not getting it.

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4x4manonbroke 07-27-2013 10:48 PM

might he need to spin the star wheel abit twards the engine possibly allowingmore fuel sooner ? :humm:

1999stroker 07-27-2013 11:00 PM

I don't know much bout 12vs but I know about proper fuel for these dodges and their weak lp.

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somkincummins95 07-28-2013 05:16 PM

thats what i was thinking not enough fuel cause if i power brake it it will turn up to 2500rpm then back down to 2k and just adjust between 2k and 2100 so what will be the best lift pump to get?

1999stroker 07-28-2013 05:20 PM

With your mods at least a 150. I'd recommend a fass.been hearing of issues with air dog lately.

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4x4manonbroke 07-28-2013 07:16 PM

agreed ..... :tu:

somkincummins95 07-28-2013 08:34 PM

what about raptor fp-150

1999stroker 07-28-2013 09:09 PM

There made by air dog I believe.go with a fass. At least 95. Do it once and do it right :thumbup:

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4x4manonbroke 07-28-2013 10:45 PM

Not sure on the specs on that set up ..... could try it if u happen to have one just laying around just for grins........ couldn't hurt


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