Forced Induction Turbos/Superchargers

Jn2's turbo build thread

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Old May 2, 2008 | 01:05 PM
  #26  
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i know, i thank them aswell when i talk w/them...you dont know how many PM's are in my inbox with help from other members...
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Old May 2, 2008 | 02:16 PM
  #27  
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you should need bigger injectors to make that power.
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Old May 2, 2008 | 04:51 PM
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i will be using the lsj injectors
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Old May 4, 2008 | 01:01 AM
  #29  
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alright guys, just an update, nothin much has been done as far as progress on the build as i am still collecting parts, but imanaged to get a few things ready as far as supplies, i got a oil psi gauge, also got a flex pipe to make the intake for the turbo, cuz i dont want it to suck hot as **** air, so the pipe flexes enough to make it thru the left side gap thats inebwteen the engine and the strut tower, ts a 2", since the turbo's inlet is 2", the pipe is 2" than converts to 3" and that is where i will put my K&N filter, also got me some hoses for the feed and return lines, i didnt wanna spent 100's on some fucken lines, so i went to a local shop and got me some super heat resistant hoses, as in it will take the heat from the oil and the coolant with ease, so i got that, also got the fitting on the turbo so that the hoses can clamp on it, got the line for the wastegate actuator, that same line can be used for the line tht goes into the BOV, i couldn't find any stud for the turbo though, so i need to go to home depot and get some studs for the turbo, that or i will just have a bolt and nut on the other end

*added pic to OP*
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Old May 8, 2008 | 01:03 AM
  #30  
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well got the flanges i needed, went to a exhaust shop and piked them up, no idea what car they came off of, but they are 2.5" piping, so they will work, the short end will bolt onto the dsm o2 housing, and the long one will bolt up to my megan exhaust, so i will have a full 2.5" back exhaust, the tee is for the water feed, i got it at autozone, will work fine, its made to run hot coolant thru it, so it will serve as the tee for the water feed, only hard thing left to do is make the oil drain tap
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Old May 8, 2008 | 04:29 AM
  #31  
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She's coming along!

Oh, my EVO III 16G teggy is breathing life already! 12psi for now and breaking in the new cltuch.
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Old May 8, 2008 | 04:33 AM
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Good luck. I should have my turbalt this weekend.

If you want to get a bigger turbo I have a 60-1for sale.
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Old May 8, 2008 | 04:33 AM
  #33  
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yeah the more i think about it the more i relize i will be done far ahead of shedule, atleast as far as collecting the parts, only a few more things and i will be done, next is the dsm o2 housing and the j pipe, follwing will be the manifold and the Ic piping, not to mention the lsj injectors...but collecting the parts is o nly the easy part...the long part iis fitting everything ima spend a good day on that one
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Old May 9, 2008 | 01:36 AM
  #34  
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i will be test fittign the Ic tommorow and workling on the brackets to hold it
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Old May 9, 2008 | 02:24 AM
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From: SANDIEGO.........
what type of external wastgate is that.....
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Old May 9, 2008 | 03:15 AM
  #36  
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its not external, its internal, the 16g uses a internal wastegate, and its the stock one that came with it, i think its sappose to be set at 8psi max
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Old May 9, 2008 | 01:02 PM
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Jn2, my new EVO III 16g wastegate came set at 10psi just as a heads up.
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Old May 9, 2008 | 02:39 PM
  #38  
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Originally Posted by 2K5SS/SC?
Jn2, my new EVO III 16g wastegate came set at 10psi just as a heads up.
Sweet. 2K5, you got a compressor map for that thing? I think i may be buying it with my Stimulous check. That and some 60's and the 2.4intake mani to start.
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Old May 9, 2008 | 03:07 PM
  #39  
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Originally Posted by Sw4y1313
Sweet. 2K5, you got a compressor map for that thing? I think i may be buying it with my Stimulous check. That and some 60's and the 2.4intake mani to start.
I have a 16G6 compressor map which should be close to it if you are interested. What are your overall power goals?
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Old May 9, 2008 | 03:24 PM
  #40  
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350whp. I can get a full ZEX nitrous kit from my buddy for $200 but im still deciding if i even want to deal with it. It would be a 50shot no more to get to 400whp.

For the compressor map, ill need to flow 40 lb/min of air @ a 2.98 pressure ratio(im at 13.4 psiA). hows that look? Thats for 380bhp.
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Old May 9, 2008 | 03:34 PM
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how do you guys find out the HP a turbo is capable of based on the amount of air a turbo can push at a given pressure?

never understood the math that determines this...
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Old May 9, 2008 | 03:43 PM
  #42  
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ill pm you something i made to make it a bit easier. it will help explain to you what goes into reading them.

Basically hp is directly related to the airflow. Doesnt matter the size of the engine, you must flow X amount of air to make y horsepower. for example. 40lb/min of air about 380bhp worth of air. You then have to calculate your pressure ratio at your current altitude and max rpm, displacement and VE and you then have your pressure ratio. you plot the lb/min + pressure ratio on the compressor map and depending on where it lands on the map is what turbo you go with. Theres a little more you have to look at, but thats the basics.
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Old May 9, 2008 | 03:46 PM
  #43  
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Here you go. Time for some conversions and whatnot. It took me awhile to do my plot, so good luck!

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Old May 9, 2008 | 03:47 PM
  #44  
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you knows that graph that looks all weirdo, well thats the compressormap, very useful during a turbo build, that is if you know how to read them, i learned how by reading thru the thread on ecotecforums, so your 16g came set at 10psi, wow, i wonder if mine is the same, wont matter, 10psi on that baby cant be that bad, im sure i wont hit more than 220whp<-which is the highest i am willing to make at this time
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Old May 9, 2008 | 03:55 PM
  #45  
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Originally Posted by Jn2
you knows that graph that looks all weirdo, well thats the compressormap, very useful during a turbo build, that is if you know how to read them, i learned how by reading thru the thread on ecotecforums, so your 16g came set at 10psi, wow, i wonder if mine is the same, wont matter, 10psi on that baby cant be that bad, im sure i wont hit more than 220whp<-which is the highest i am willing to make at this time
Thats the thing, you have to calculate your psiA and then you can figure out what 10psi will make at YOUR location on YOUR engine, with YOUR rev limit.
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Old May 9, 2008 | 03:56 PM
  #46  
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Originally Posted by Jn2
you knows that graph that looks all weirdo, well thats the compressormap, very useful during a turbo build, that is if you know how to read them, i learned how by reading thru the thread on ecotecforums, so your 16g came set at 10psi, wow, i wonder if mine is the same, wont matter, 10psi on that baby cant be that bad, im sure i wont hit more than 220whp<-which is the highest i am willing to make at this time
You will be close. My Integra laid down 213whp and 208wtrq at 11psi on the small 16g on a low rating mustang dyno. I have .4L less too! You should be fine though as long as you don't raise it anymore. Also, if you get a manual boost controller and open the boost just a hair, it won't go over the 10psi, but the turbo will come on a little earlier and harder.
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Old May 9, 2008 | 03:58 PM
  #47  
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i will se if i get a man. boost controller, they arent exensive, the have flooded ebay, lol, and they work i know, my buddy has on of them 7 dollar ones on his evo, and it works fine, been on for a year no problems, but yeah, i need to see what it puts doen first, than i will see if i want to add a bit more, but you say open it a tad bit for better response hu? interesting, i will surely try that when i get it all done
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Old May 9, 2008 | 04:00 PM
  #48  
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Originally Posted by Jn2
i will se if i get a man. boost controller, they arent exensive, the have flooded ebay, lol, and they work i know, my buddy has on of them 7 dollar ones on his evo, and it works fine, been on for a year no problems, but yeah, i need to see what it puts doen first, than i will see if i want to add a bit more, but you say open it a tad bit for better response hu? interesting, i will surely try that when i get it all done
I have the homemade $5 one on my Integra and it works great. Tested up to 15psi without an issue!
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Old May 9, 2008 | 04:05 PM
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Easy conversion from CFM to lb/min ix CFM x .0756 = lb/min.

Looks like ill be in the 68 - 70% efficiency on that turbo @ 380hp. Its 530cfm @ 2.98 pressure. Not bad. That would put me at 24psiG on a 7000rpm redline on my 2.2.

Did you say the Evo III 16G is a bit more efficient? If so, sweet ****!
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Old May 9, 2008 | 04:13 PM
  #50  
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Originally Posted by Sw4y1313
Easy conversion from CFM to lb/min ix CFM x .0756 = lb/min.

Looks like ill be in the 68 - 70% efficiency on that turbo @ 380hp. Its 530cfm @ 2.98 pressure. Not bad. That would put me at 24psi on a 7000rpm redline on my 2.2.

Did you say the Evo III 16G is a bit more efficient? If so, sweet ****!
I think they are right about the same. I think that is the 6th gen 16G which is used on the newer EVO's, but don't quote me on that though. The EVO III is supposed to put 550cfm at 14.7 psi and it's supposed to spool faster due to the lighter wheel. I know that when I had my small 16g up to 15psi it was crazy. My buddy that is breaking in the new clutch and turbo for me since I'm still deployed said that the car is pulling crazy hard at 12psi and he isn't even fully reving it out because the clutch is not fully broke in yet. He has driven it many times himself, so if he's says it's pulling hard I believe him.
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