Fuel Rail Shim Kit or Plug---or None
#1
Registered User
Thread Starter
Fuel Rail Shim Kit or Plug---or None
Along with the delete kit and tuner my wife got me for my birthday last week, it also has the fuel rail plug from H&S. After doing more reading and research, do I actually need them?
The reason it was bought it was because H&S made it sound like, at least the way I read it, that you would need one of them when running any tunes. So before I really did much more research, I included it on my wish list that I gave to my wife.
From what I found, running the plug "could" be catastrophic unless you have a way to monitor the fuel pressure, which the Black Maxx does. As of right now, I don't plan on doing anything extreme with my truck as it is my daily driver. I have done the deletes and added the Black Maxx. I leave the tune set on Hot as it seems the truck performs better than the other settings.
I have plans to get a fifth wheel, maybe next year and do some towing.
Should I install the plug, exchange it for the shim kit, or just leave it alone?
Any thoughts are much appreciated.
The reason it was bought it was because H&S made it sound like, at least the way I read it, that you would need one of them when running any tunes. So before I really did much more research, I included it on my wish list that I gave to my wife.
From what I found, running the plug "could" be catastrophic unless you have a way to monitor the fuel pressure, which the Black Maxx does. As of right now, I don't plan on doing anything extreme with my truck as it is my daily driver. I have done the deletes and added the Black Maxx. I leave the tune set on Hot as it seems the truck performs better than the other settings.
I have plans to get a fifth wheel, maybe next year and do some towing.
Should I install the plug, exchange it for the shim kit, or just leave it alone?
Any thoughts are much appreciated.
#2
I recommend leaving it alone. Not that all trucks are the same, but, I have been "DESTROYING" my truck in an attempt to see the strengh and I do not have that kit.
A reliable source told me that on the 2011's it has not been an issue. I do however recommend that you invest in some type of aftermarket fuel pump/filtration system. GDP has an MKII Big Line kit that I put on my truck. That and a Raptor 150 should do the trick. You know how it is, with our trucks all we want is more.
Just my advice.
A reliable source told me that on the 2011's it has not been an issue. I do however recommend that you invest in some type of aftermarket fuel pump/filtration system. GDP has an MKII Big Line kit that I put on my truck. That and a Raptor 150 should do the trick. You know how it is, with our trucks all we want is more.
Just my advice.
#4
Registered User
Thread Starter
How much newer? 2010+ or 2011+. I will send it back if I really don't need either.
I will say this, when I was pulling our HHGs to Vegas a few months ago, I started noticing when going through the mountains, that it seemed to be losing power at times. I don't know if I was working it too hard (is that even possible being stock at the time) and it was defueling or after researching about the fuel plugs and shim kits if it was releasing pressure. I do know, I do not want that to happen again, if by some off chance we move again (8 years left to retirement). I was only pulling about around 11K lbs. Sometimes it wouldn't lose power and I would pass truckers with ease on the hills.
I will say this, when I was pulling our HHGs to Vegas a few months ago, I started noticing when going through the mountains, that it seemed to be losing power at times. I don't know if I was working it too hard (is that even possible being stock at the time) and it was defueling or after researching about the fuel plugs and shim kits if it was releasing pressure. I do know, I do not want that to happen again, if by some off chance we move again (8 years left to retirement). I was only pulling about around 11K lbs. Sometimes it wouldn't lose power and I would pass truckers with ease on the hills.
#7
Registered User
Thread Starter
I don't recall how much of a loss, it was just noticeable and thought something was wrong. I thought it was more of a sudden loss at the time, but it could have been due to the increased loading from the inclines. I do know, that when it happened, not matter what I did with the throttle (unless slowing down), even if it was floored, it wouldn't do anything and seemed to lug even more. But on the other hand, I wouldn't have problems and it would pull along just fine.
I am sure it was in regen quite often, but I have no way of telling since my mileage averaged around 11mpg with a low of 9.6 and high of 13.7...the low was probably from the Regen.
I also don't think it was a slight stutter. It was a new experience for so I was use to seeing it, so I very well may be exaggerating the power loss from how I perceived it, verses what was actually going on.
I am sure it was in regen quite often, but I have no way of telling since my mileage averaged around 11mpg with a low of 9.6 and high of 13.7...the low was probably from the Regen.
I also don't think it was a slight stutter. It was a new experience for so I was use to seeing it, so I very well may be exaggerating the power loss from how I perceived it, verses what was actually going on.
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#8
Set up your BM to display ICP and keep an eye on it. If it drops off under heavy load (not counting during shifts) then you may need to shim or plug. If the relief is opening, you should be getting a check engine light too. If not, no need to install it. If you run a TS with your H&S, you will need it.
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#9
When my buddies 06 with bullydog defuels it is very noticeable. Never had my 11 defuel yet though but would think you should feel it pretty good.
#10
Registered User
Thread Starter
Set up your BM to display ICP and keep an eye on it. If it drops off under heavy load (not counting during shifts) then you may need to shim or plug. If the relief is opening, you should be getting a check engine light too. If not, no need to install it. If you run a TS with your H&S, you will need it.
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#11
Registered User
Thread Starter
I'm starting to think it may have been defueling, however I thought I would have seen other indications such as a CEL or increase in temps on the EVIC. I do know, next time I need to get out the trailer or do any other towing, I have the BM to monitor the perimeters.
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