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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 09-15-2010, 02:47 AM   #21
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Is the ground for the ecu (92') in the *passenger side or driver side* rear of the cylinder block? I think more people had/have success with the ecu ground.
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Old 09-15-2010, 03:04 AM   #22
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nevermind, I found my answer for my ECU grounding points.
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Old 05-20-2011, 04:27 PM   #23
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I’m reviving my thread after having my car sit for a good half a year.
I finished the hot side part of the turbo. This includes fitted turbo, manifold, lines, intercooler, and downpipe. What I need to finish is (have several questions):
1. Get my bumper cut for the dual exhaust and add another exhaust hanger because my magnaflow muffler is too heavy.
2. Mount BOV, IAC hose, and IAT sensor on cold side (on intercooler piping between throttle and cold side of intercooler). Would it be okay to mount the IAT Sensor at this location?
3. Hook up Electronic Boost controller
Instructions
http://www.diyautotune.com/catalog/e...kit-p-285.html
Do I have to drill a hole at the spot (pictured below) and use this as my boost source? Is there any alternative way? Do I just drill and weld a nipple on there?
4. Hook up my gauges, boost gauge
5. Start car (hopefully)

Also, how do I know if i need a oil restrictor
I have this turbo
http://cgi.ebay.com/ebaymotors/T25-T...Q5fAccessories
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Old 05-20-2011, 04:29 PM   #24
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I will get up pictures of what I've done so far tomorrow.
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Old 05-20-2011, 05:02 PM   #25
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I would recommend putting your IAT sensor much closer to the outlet of the intercooler, and putting the boost source nipple where you originally wanted to put the IAT sensor.
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Old 05-22-2011, 06:31 AM   #26
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Can you guys help me answers the rest of the questions I asked above.
Thank you
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Old 05-22-2011, 07:36 AM   #27
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edit: nevermind i'm an idiot, excessive drinking plus forum advice shouldnt mix, looks like youve already fixed your grounding issues, i didn't see the dates on the post.

Anyways, as far as your other questions go... read through THIS thread for boost source and iat position. To sum it up though... Both should be post intercooler, pre throttle body for best results. The iat position in your picture is perfect but alot of people put it in the cold side intercooler end tank for ease of installation. The first picture that you refer to iat position would however be a perfect place place for your boost source. If you put the boost source were you asked about, the wastegate will be seeing more pressure than the throttle body sees (due to it going through the intercooler) and opening the wastegate "prematurely". It explains why in that thread.
Short version:
IAT can be anywhere after the intercooler and before the throttle body.
Boost pressure source can be anywhere after the intercooler but benefits from being as close to the throttle body (before it though) as possible.

Last edited by Golferluke; 05-22-2011 at 08:01 AM.
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Old 07-07-2011, 03:19 AM   #28
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well after a year or so, I finally plan on having my car tuned 2 weeks away from now. I have this turbo:
http://cgi.ebay.com/ebaymotors/T25-T...d=246139424211
If i plan on running 8psi or 10psi, what kind of numbers do you think I should expect?
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Old 07-07-2011, 07:40 PM   #29
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160-200, Proly make 160 on the wastegate at 7psi closer to 200 on 10psi, who knows though.
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