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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

View Poll Results: choose and post why.
1.6 turbo 11 36.67%
1.8 turbo 11 36.67%
sub 300whp 10 33.33%
300+ whp oh shit 11 36.67%
Multiple Choice Poll. Voters: 30. You may not vote on this poll

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Old 10-21-2006, 03:22 PM   #1
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Default Best turbo?

I believe the small 16g is the best turbo for sub 300 whp on a 1.6
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Old 10-21-2006, 03:31 PM   #2
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300 + whp, it's self explanatory.
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Old 10-21-2006, 03:32 PM   #3
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wohoo i new there was something aliked about you
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Old 10-21-2006, 03:57 PM   #4
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none is better than another... it's all about application, cost, and what you already own Personally I'm shooting for roughly 300-350 whp on mine, but I need cash first. Megasquirt will be on order when I return my basement full of bottle deposits (10 cents each in MI and I have several thousand). N/A still at the moment.
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Old 10-21-2006, 05:09 PM   #5
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comeon guys post up and let us know what you think
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Old 10-21-2006, 05:13 PM   #6
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i like the ideas of a t28 or 16g.
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Old 10-21-2006, 05:18 PM   #7
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i am surprised no one voted for less than 300 hp seems we are all equaly maniacal in our quest for power
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Old 10-21-2006, 05:19 PM   #8
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I voted for them all

all turbo is good turbo
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Old 10-21-2006, 05:58 PM   #9
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The T3 60 trim or S60 rocks. Flipside just got done switching out a greddy setup that was making 225 whp at 12 psi for a T3 S60. No dyno numbers yet but the owner reports better spool and the car is much faster at only 10 psi.
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Old 10-21-2006, 07:49 PM   #10
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With the price of Miata's so low, I feel that the cheapest reliable setup is the best/most practical. Hence my quest for doing this cheaply, which I think is easier on a 1.6.
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Old 10-21-2006, 10:39 PM   #11
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T3 60 trim if youre on a budget. Small (stg 1) 48 trim turbine gives great spoolup and the 60 trim has enough flow for the stock bottom end. Just run it at 12 psi and be happy about all the money you saved. You can make mid-high 200s at the wheel with this turbo and they are super cheap as well.

If you want to start doing a buildup and go for 15+psi, go straight to a T3/T04E 50 trim with a stage 3 48 trim turbine side. I went for a stage 1 turbine and a t04b s trim compressor and it is OK for 15-18 psi in cool weather, but above 85F, the intercooler heatsoaks very quickly due to the low compressor efficiency. I'm gonna upgrade in a few weeks once I finish selling my house.

edit: oh and in case it wasnt common knowledge, all of the turbine housings hook up the same, so you can start with a T3 60 trim and upgrade to a bigger turbine and a T4 compressor later on without redoing your manifold, DP or intercooler pipes.
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Old 10-21-2006, 11:01 PM   #12
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Of course 300whp+ and I am partial to the GT3271 and GT3076R.
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Old 10-21-2006, 11:45 PM   #13
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Quote:
Originally Posted by Wideopentuning View Post
The T3 60 trim or S60 rocks. Flipside just got done switching out a greddy setup that was making 225 whp at 12 psi for a T3 S60. No dyno numbers yet but the owner reports better spool and the car is much faster at only 10 psi.

I agree, me likes the S60. I need to get it to a dyno soon so I can do some 9-10-11-12psi pulls and show you all easy power with no engine management.
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Old 10-21-2006, 11:52 PM   #14
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I agree with Beerslurpy, I went with the T3/T04E because I'm stupid and want more power than any miata should ever have.
-Michael-
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Old 10-21-2006, 11:59 PM   #15
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i didnt like the spool with a T04B-S, so i went to a S60 wheel. It did pull like freaking crazy on the highway though.
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Old 10-22-2006, 12:10 AM   #16
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The T04B is better than the 60 trim, but that is about it. The stall range is too high for the miata, the efficient range is just too small and the area outside the efficient range is too inefficient. The little island is like 73% and falls off to 50% by the time you hit about 7-8k at 15-18 psi.

The TO4E spools sooner, has a much broader efficient range and when it isnt in the high efficiency island, the efficiency only drops to about 74%. So you can take it all the way up to 400+ whp and it is still pushing cooler air than the T04B-S at its best.

None of this really matters as much if it is cold out, but it often isnt. On the highway, the increased airflow through the IC seems to cancel out a lot of the hot air generating tendencies of the T04B. Theoretically it is capable of 350hp, but you would need a very efficient intercooler and some cold ambient temperatures to accomplish this. Most of that airflow on the right side of the compressor map is hot air.
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Old 10-22-2006, 12:28 PM   #17
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I don't get all this love for the T3... Why don't you all just run a disco potato or GT2560R???

Mark

T3S60 Now, $200 T3/T4 Ebay Special on it's way... LOL.
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Old 10-22-2006, 01:15 PM   #18
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the price/performance always plays a big factor. plus it's what I ended up with, so I like to be biased.
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Old 10-22-2006, 02:43 PM   #19
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i got my turbo for free.what a nice friend.it comes off a nissan s15 sr20det motor.its a t28 and ball bearing dont really know what one its excatly.went on garrett.com they all look similar.
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Old 10-22-2006, 03:45 PM   #20
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Quote:
Originally Posted by Markp View Post
I don't get all this love for the T3... Why don't you all just run a disco potato or GT2560R???

Mark

T3S60 Now, $200 T3/T4 Ebay Special on it's way... LOL.
becouse they all listened to you when you said the s60 was the shiznit. hopefully andy will bring you to your senses and you will run a 3271 like him. how is your motor doing anyway?
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