stage 2 injectors reg fuel return kit hpx line question - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 02-02-2008, 10:04 AM Thread Starter
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stage 2 injectors reg fuel return kit hpx line question

I'm looking at dynomite diesel performances 120 hp injectors, is it a good idea to install itp regulated fuel return kit and a itp hpx oil line (connects oil pressure rails) to help these injectors or will these injectors function perfect without? also where should i hook a colbalt fuel pressure guage sending unit?
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post #2 of 14 Old 02-02-2008, 10:27 AM
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Quote:
Originally Posted by marcel View Post
I'm looking at dynomite diesel performances 120 hp injectors, is it a good idea to install itp regulated fuel return kit and a itp hpx oil line (connects oil pressure rails) to help these injectors or will these injectors function perfect without? also where should i hook a colbalt fuel pressure guage sending unit?
A reg return fuel kit and hpx line would be necessary with a big set of sticks like that. You mght even need a FASS pump or something similar. The fuel pressure gauge (and I'm assuming you have a 6.0L) will plug in to the high pressure test port on the secondary fuel filter bowl under the hood. There's a factory plug, just remove it and plug in your sending unit.

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post #3 of 14 Old 02-02-2008, 10:36 AM
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Uhhhhh.....since he posted it in the 7.3 forum, I would venture to say it is not a 6.ooooooh.....

A fass is not needed to keep up with stage 2's. I ran my B codes off of a stock pump. Neither of the ITP items are mandatory however to get the most out of the injectors they are necessary. I put new lines on my fuel bowl and fed the heads from the rear. Then I put a cross over line on the fronts of the heads to help equalize fuel pressure.

The reason for the HPX line is to keep the oil pressure up. The firing order is 1-2-7-3-4-5-6-8. The oil pressure recovery time for the 7-3 and 6-8 cycle are the reason. This also why the reason for the fuel system upgrades, to keep pressure to those injectors.


On the back of the fuel bowl(towards the fire wall) is a plug that has uses an allan wrench to get it out. That is a #4 ORB fitting port, you will keed an adaptor to put in your fuel pressure gauge but that is where it goes.

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Last edited by strokin_early_99; 02-02-2008 at 10:53 AM.
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post #4 of 14 Old 02-02-2008, 11:02 AM Thread Starter
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2001 f250 lariat 7.3
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post #5 of 14 Old 02-02-2008, 11:06 AM Thread Starter
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hey that sounds great but i want to install a fuel guage inside my cab also the reg kit comes with the adjustable under the hood. i assume i should be watching how low the pressure goes when i hammer on it to pass.
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post #6 of 14 Old 02-02-2008, 11:08 AM Thread Starter
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I'm new to the site and heve not figured out how to put all my mods up. i only have a few
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post #7 of 14 Old 02-02-2008, 11:12 AM
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Quote:
Originally Posted by strokin_early_99 View Post
Uhhhhh.....since he posted it in the 7.3 forum, I would venture to say it is not a 6.ooooooh.....
Oops... missed that one, sorry.

Kurt

shu873@powerstroke.org

'06 True Blue/Silver 250 crew cab
ARP's, EGR blocked
AFE stg.2, MBRP 4" pipe
Air Dog 150, ITP reg. return
Bulletproof oil bypass system
Banks technicooler
Ride rite air springs in the rear
EGT, boost, and fuel pressure gauges by DiProcol on the pillar

Plus a few other odds and ends...
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post #8 of 14 Old 02-02-2008, 11:37 AM
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6.ooooooh...


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post #9 of 14 Old 02-02-2008, 11:57 AM
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Quote:
Originally Posted by marcel View Post
hey that sounds great but i want to install a fuel guage inside my cab also the reg kit comes with the adjustable under the hood. i assume i should be watching how low the pressure goes when i hammer on it to pass.
I don't quite understand why you can't mount a gauge in the cab. You can not mount a mechanical gauge in the cab without a fuel pressure isolator. I have an electric fuel pressurs gauge. I have the gauge mounted in the cab and the sending unit use to be in the bowl. Help me find the part I missed.

what do you mean by "The gauge comes with the adjustable under the hood"?

You want to see how far the pressure drops under WOT(wide open throttle). Idle pressure, cruising pressue and WOT pressure.

Early 99 (Born on 11-20-98) F350 CC LWB 4X4
north of 480hp and south of 13.7sec
Bored with current setup

Sled Pull and Drag Racing Videos

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Sponsored by Left Coast Diesel in Concord, Ca

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post #10 of 14 Old 02-02-2008, 12:01 PM
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what would the normal be for all three pressures?

RYAN
03 Excursion 6.0L

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