egt?
Postmaster
Joined: Jan 2004
Posts: 3,207
Likes: 0
From: Kearney, Nebr
actually i get about 25-27psi but still it should push more than that. and also, just left one of my best friend's shop who happens to be the previous owner's mechanic and my truck is on second stock turbo! new news to me. apparently this turbo has about 55,000 on it. he thinks my turbo is shot. my gauge could be wrong i guess but i know its not spooling up enough or fast enough.
The turbo should last longer than 55k before it needs a rebuild unless it has been dusted or has shaft play.
Have you ever set a CEL? With 160's and a 15 degree pump you should be running out of oil when you lay into it.
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
CEL=Check engine light. The stock turbo will serve you well on a budget and I can get 34psi with sticks and programming on a stocker. It may not last long at 34 but ... I hear you can get a good deal from a guy on ebay for our turbos. TJBeggs knows more about him.
To be sure on your turbo take the intake boot off and inspect it yourself. Look at the blades to see if they are worn or 'dusted' , then feel the blades and push/pull to check for end play. They should not have much movement at all.
You should be able to put your mods in your sig now. Go to UserCP, top left, and edit signature.
P.S. I like the looks of your truck. Do you got any more pics. Put in gallery or online acct so we can see the beast.
To be sure on your turbo take the intake boot off and inspect it yourself. Look at the blades to see if they are worn or 'dusted' , then feel the blades and push/pull to check for end play. They should not have much movement at all.
You should be able to put your mods in your sig now. Go to UserCP, top left, and edit signature.
P.S. I like the looks of your truck. Do you got any more pics. Put in gallery or online acct so we can see the beast.
Elder User
Joined: May 2007
Posts: 943
Likes: 0
From: North East, MD
What Neal is saying is that the bearing will go out it pretty quick with that kinda boost. If memory serves right I think 23* is that magic number that you can get without worrying about cutting life off your turbo
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
Yes. I have heard that 30 psi of boost is the magic #. I will tell you that I can hit 34 easy and have several times but try not to very often. My turbo is still doing fine...for now. It just won't hold together with extended periods of boost. Ask Tim. He had a short stretch at 33psi and shut it of and the turbo was rattling. NOT GOOD. The thrust bearing gave out.
Elder User
Joined: May 2007
Posts: 943
Likes: 0
From: North East, MD
yeah i believe you can go higher but you might be putting a new turbo in a little sooner. Its always a good excusse to get a bigger turbo 
the number that is really inportant is when heads start lifting. I think thats around 40*
the number that is really inportant is when heads start lifting. I think thats around 40*
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Thread Starter
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Senior User
Joined: Jun 2008
Posts: 151
Likes: 0
From: Charleston, SC
ok so what is likely to happen (as in damage to the truck) if i run this turbo into the ground? if i just kill this one then i can tell the old lady i HAVE to spend the money on a new turbo. and when i get outta work im gonna pull that intake boot off and look at it.
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Senior User
Joined: Jun 2008
Posts: 151
Likes: 0
From: Charleston, SC
so i looked at my turbo and this is what it says on it:
Garrett
Allied Signal Automotive
P/N 1822775C92
S/N DOM31502
1.10 A/R
what does all this mean?
and that plug right below the turbo, with nothing plugged into it... what does that plug do?
Garrett
Allied Signal Automotive
P/N 1822775C92
S/N DOM31502
1.10 A/R
what does all this mean?
and that plug right below the turbo, with nothing plugged into it... what does that plug do?
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
That appears to be a factory turbo.
The plug under it is the EBPV (exhaust back pressure valve) It was designed by Ford to aid in the warm up of the vehicle on cold starts. It is notorious for sticking closed and causing all kinds of problems all the way up to melting the motor. Just leave it unplugged and you will be fine. Some have wired it up to make an exhaust brake but if you do not tow it isn't worth the hassle.
BTW it looks like you still have the original orange boot on the intake. Keep an eye on that thingit has been known to deteriorate and get a hole in it. It will get soft. Ford has a replacement boot from a SD and other stuff to replace it. I would just keep an eye on it for now and get the replacement when you get time/money.
The plug under it is the EBPV (exhaust back pressure valve) It was designed by Ford to aid in the warm up of the vehicle on cold starts. It is notorious for sticking closed and causing all kinds of problems all the way up to melting the motor. Just leave it unplugged and you will be fine. Some have wired it up to make an exhaust brake but if you do not tow it isn't worth the hassle.
BTW it looks like you still have the original orange boot on the intake. Keep an eye on that thingit has been known to deteriorate and get a hole in it. It will get soft. Ford has a replacement boot from a SD and other stuff to replace it. I would just keep an eye on it for now and get the replacement when you get time/money.
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
Thats the stock turbo, all are Garret. and the connector is for the EBPV (exhaust back pressure valve), that in that way is inactivated, dont work, but doesnt matter, the truck can live without it, or you can convert it to a exhaust brake.
Postmaster
Joined: Jan 2004
Posts: 3,207
Likes: 0
From: Kearney, Nebr
I you get a nasty blowout on the turbo you can send pieces into your intake and combustion chambers. That is never a good situation.
I've never an orange inlet boot like that before.. interesting.
The thing about the stocker is that it's not efficient above 25 lbs or so. IIRC its a 2/1 ratio? So it takes 2 lbs of manifold pressure to create one pound of boost. Actually it could be worse than that because I think that number might be for the D66.
Your aftermarket turbos will have better ratios.. 1/1...1/1.5 etc. Essentially the engine doesn't have to work as hard to create the boost lbs.
I've never an orange inlet boot like that before.. interesting.
The thing about the stocker is that it's not efficient above 25 lbs or so. IIRC its a 2/1 ratio? So it takes 2 lbs of manifold pressure to create one pound of boost. Actually it could be worse than that because I think that number might be for the D66.
Your aftermarket turbos will have better ratios.. 1/1...1/1.5 etc. Essentially the engine doesn't have to work as hard to create the boost lbs.