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Old 05-14-2013, 07:38 AM
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injector time

hey guys i need some opinions. my truck has recently begun to have stiction at about 55-60 mph i have changed the oil with rotella 15w-40 and added two bottles of rev x. no change. so while i have the funds avaliable i was going to go ahead and send my injectors to warren to be rebuilt. my delimma is i tow a decent amount about 13k-16k. what would be a good size injector for this ? i was leaning towards a 155/50 or a 175/30. i do have future plans for a mtw hybrid. will my stock fuel system be able to supply enough fuel to either of these injector options?
any help./advice would be appreciated
thanks.

truck: 06 f350 reg cab 4x4 xl mods-arps, oem head gaskets, bluespring, 6.4 banjo bolts, rcd egr delete, newer hpop, 4 inch turbo back strait pipe, sct livewire tuned by matt at gearheads
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Old 05-14-2013, 07:57 AM
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I'd go with 175/stock since you tow kinda heavy. You stock fuel system should be able to keep up if you have a healthy pump.
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Old 05-14-2013, 08:56 AM
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Please explain your "stiction" issue at 55-60mph.

Have you tested and confirmed possible other issues, like FICMv, Fuel psi, tested injectors, CCTest, power balance, fuel aeration, correct fuel and oil filters.

You may have another issue that needs to be corrected before throwing injectors at it.


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Old 05-14-2013, 09:15 AM
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Quote:
Originally Posted by JGman141 View Post
I'd go with 175/stock since you tow kinda heavy. You stock fuel system should be able to keep up if you have a healthy pump.
I've heard that the 175/stock will raise cylinder pressure to an unsafe level?
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Old 05-14-2013, 10:01 AM
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Not true all in the tune for cylinder pressures bud
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Old 05-14-2013, 10:28 AM
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Originally Posted by 04cr450 View Post
Not true all in the tune for cylinder pressures bud
Ohh ok well I stand corrected. Would the 175/stock give me a decent boost in power?
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Old 05-14-2013, 10:30 AM
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Yes. But nowhere near if you put say 30% nozzles on to match it...
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Old 05-14-2013, 10:31 AM
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Before my new injectors I had 155/30's with stock turbo and it ran like a dream. EGTS were always low- that being said though my truck has never towed anything so I cant comment on towing.
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Old 05-14-2013, 11:10 AM
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Quote:
Originally Posted by 04cr450 View Post
Before my new injectors I had 155/30's with stock turbo and it ran like a dream. EGTS were always low- that being said though my truck has never towed anything so I cant comment on towing.
Did you have any fuel pulled out of your Tunes ?
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Old 05-14-2013, 11:25 AM
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Quote:
Originally Posted by 04cr450 View Post
Before my new injectors I had 155/30's with stock turbo and it ran like a dream. EGTS were always low- that being said though my truck has never towed anything so I cant comment on towing.
Did you have any fuel pulled out of your Tunes ?
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