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Discussion Starter #1
I am currently working on the exhaust manifold on the stated truck. There is a metal tube that screws into the manifold, makes a 90, and runs near the firewall and screws into a male end near the air cleaner. It is "crimped" badly from a previous repair job. Is this the EGR tube? The truck seems to run fine without it, but I guess I should replace it. I called Everything Nissan and they said it sounds like it is the EGR tube ($40!!!). Any info is appreciated. Thanks.
 

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yes that is the egr tube some people like to have it but i gutted all my emission out of my truck and it run awsome my truck revs fast is bout all i gained and decreased fuel mileage but it didnt go down very far mabey 2 miles
 

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and it was prolli done cause the egr is bad
 

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ya it would be a good idea if you have all the other emissions stuff on your truck it will save you on gas and some people say it helps with your valve cooling but i dont know if i believe that
 

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Hardbody Freak
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most of us are oem guys..

that is.. this truck is computer driven ..so if you take off a part the the ecm uses to operate the engine .then you lessen the overall longevity of the whole..
 

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Discussion Starter #9
most of us are oem guys..

that is.. this truck is computer driven ..so if you take off a part the the ecm uses to operate the engine .then you lessen the overall longevity of the whole..
Thanks, that is why I ordered a new EGR tube and will install it once it comes in. Two questions, can I install the new tube without having to take off the exhaust manifold (there isn't a lot of room at the rear of the exhaust manifold) and how can you tell if the EGR valve is operating properly (is there a way to check it)? Thanks again.
 

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Discussion Starter #11
usually if you can push the diaphram up and it gently pushes back it is ood..

i think u have to remove the exhaust mani to get it on ..

the egr side has those 3 inch long bolts ..
Hmmm.....well I know that on the EGR tube, on the EGR side, it has a nut that threads on (located behind the air cleaner) but on the exhaust manifold it has a nut. I just don't know if the nut could screw in without taking off the manifold.
 

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Hardbody Freak
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i usually never mess with that big nut ,because of the age of the trucks they tend to break or strip..

so i am not sure if it can be done like that..

i will look at it tomorrow and get back to you..
 

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Wish I had a KA24 or KA24DE, you have minimum emission crap compared to my Z24i! why don't I see you guys with headers and CAI ignition boxes, etc? I could do some magic with that KA24. I just don't like the timing chain design. Z24's have a double roller and yall have the single roller design.....
 

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Wish I had a KA24 or KA24DE, you have minimum emission crap compared to my Z24i! why don't I see you guys with headers and CAI ignition boxes, etc? I could do some magic with that KA24. I just don't like the timing chain design. Z24's have a double roller and yall have the single roller design.....
Headers huh? Well, I am probably going to have to replace the exhaust manifold. I can get a new one for around $160 from Nissan. I can't seem to locate a used one (e.g., salvage yard). Should I pursue headers instead? If so, what is the cost difference and will I see any difference in performance?
 

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Discussion Starter #16
Wish I had a KA24 or KA24DE, you have minimum emission crap compared to my Z24i! why don't I see you guys with headers and CAI ignition boxes, etc? I could do some magic with that KA24. I just don't like the timing chain design. Z24's have a double roller and yall have the single roller design.....
Headers huh? Well, I am probably going to have to replace the exhaust manifold. I can get a new one for around $160 from Nissan. I can't seem to locate a used one (e.g., salvage yard). Should I pursue headers instead? If so, what is the cost difference and will I see any difference in performance?
 
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