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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 11-17-2008, 11:34 PM   #1
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Default just bought a T3

just bought a 42/48 T3. say hello to faster spool up!!!! will either have it or my t3/t4 up for sale soon depending on which one i like better.
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Old 11-17-2008, 11:54 PM   #2
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what size compressor wheel?
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Old 11-18-2008, 12:30 AM   #3
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no idea, here is a pic from the seller though.

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Old 11-18-2008, 01:08 AM   #4
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probably a 50 trim.
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Old 11-18-2008, 04:06 AM   #5
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I have a few on the shelf if you need any parts or fittings.
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Old 11-18-2008, 08:31 PM   #6
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looks like a 50 trim... mine is maxed out at 230 whp :( I needs me a bigger compressor.
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Old 11-18-2008, 09:27 PM   #7
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Watch eBay. I just picked up an this t3 cold side 60/60 setup, looks like new, lots of stuffs.

Thought this was a good deal for a larger stage1 63AR turbine housing too. Supposedly the center section just needs a rebuild.
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Old 11-18-2008, 11:50 PM   #8
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well, we will see this weekend how i like it. should spool up a TON faster than my t3/t4. which is like .48 or .50 hot and like a .63 cold side.
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Old 11-18-2008, 11:55 PM   #9
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Damn, my turbo is a .78 hotside... But it's going on a 1.8. Do comparison vids! Before and after the turbo swap. That would be awesome to see the difference keeping everything else the same.
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Old 11-19-2008, 12:17 AM   #10
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Quote:
Originally Posted by patsmx5 View Post
Damn, my turbo is a .78 hotside... But it's going on a 1.8. Do comparison vids! Before and after the turbo swap. That would be awesome to see the difference keeping everything else the same.
thats a good idea, will do that this weekend.
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Old 11-19-2008, 09:49 AM   #11
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A .78 hotside on a t3? that's BIG.
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Old 11-19-2008, 10:55 AM   #12
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Yeah, GT3271, twin scroll, externally gated. Bigger than what most run here.
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Old 11-19-2008, 10:55 AM   #13
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I don't even think I'd want a .63 on my 1.8 let alone .78.
.63 would be ok for track duty but not normal street driving or autocross.
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Old 11-19-2008, 01:42 PM   #14
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Nice Bryan, I have the same Garrett T3(42/48) turbo on a shelf in the garage. It has a cracked turbine housing that needs to be replaced. I was wondering what the spooling would be compared to my T3/4 .60/.48 hot side that I have now. I would be curious to know how you like it.
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Old 11-19-2008, 01:46 PM   #15
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it'll spool up hella faster, but wont be able to output the same power.


you could just swap your coldside parts (wheel, housing, back plate) onto your hotside (turbine, chra, housing) of the current one.
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Old 11-19-2008, 07:06 PM   #16
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a slight power drop wont really bother me, it hauls a ton of *** in over 2nd gear, but the spool up sucks for in town.
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Old 11-19-2008, 07:49 PM   #17
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Quote:
Originally Posted by cjernigan View Post
I don't even think I'd want a .63 on my 1.8 let alone .78.
.63 would be ok for track duty but not normal street driving or autocross.
I've been wondering how my .63 T3/.60 T4 is going to spool...
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Old 11-19-2008, 10:17 PM   #18
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Quote:
Originally Posted by elesjuan View Post
I've been wondering how my .63 T3/.60 T4 is going to spool...
here is my t3/t4

Engine: '90 1.6L
Turbo: turbonetics t3/t4
Manifold: ebay cast
Downpipe Size/Style: single 2.5"
Exhaust Size: 3"
Exhaust Components: none, just straight pipe
Intercooler Core Size: stock starion
Intake Manifold: Stock
Headwork: none
Engine Management: Megasquirt
Other Spoolin' Helpers/Hurters: 2" hot side and 2.5" cold side charge pipes
Trans & Rear End Ratio: 5-speed, stock 1.6 open
Rear tire size: 205-50-15

4th gear pull

1800 1.0
2400 2.0
2700 3.0
2900 4.0
3100 5.0
3300 6.0
3600 8.0
3800 9.0
4000 10.0
4200 12.0
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Old 11-19-2008, 10:30 PM   #19
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Quote:
Originally Posted by bryantaylor View Post
here is my t3/t4
That looks pretty good, but what Turbine / Compressor?

I have a gateless T3 Turbine with .63ar and the compressor is a .60ar T04B S3 from Turbonetics, planning on using an external Turbonetics Deltagate mkII
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Old 11-19-2008, 10:46 PM   #20
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no idea man. bought the turbo from a guy that bought it from another guy.
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