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Underbody braces, turbos and more!

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 Post subject: I'm new!
PostPosted: Wed Apr 27, 2016 11:58 pm 
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Joined: Wed Apr 27, 2016 11:53 pm
Posts: 7
Location: Missouri
So I have a geometroforum account. There's not really info about turbocharging 3 cyl. Would a gt15 or ct26 be best for tuning the car? I have both laying around the house.


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 Post subject: Re: I'm new!
PostPosted: Thu Apr 28, 2016 5:11 pm 
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Joined: Fri Sep 21, 2012 9:23 am
Posts: 178
Location: Mount Vernon, WA
82.5 cfm is the output of a g10 stock at 5700 rpm's. Compare that with the compressor map at desired pressure ratio. Here is the my thread on turbo selections. I didn't find a compressor map for one and the gt15 I didn't find a great one, but it is relatively speaking inside that range.

viewtopic.php?f=6&t=61043


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 Post subject: Re: I'm new!
PostPosted: Sat Apr 30, 2016 9:01 am 
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Joined: Fri Sep 21, 2012 9:23 am
Posts: 178
Location: Mount Vernon, WA
I added the GT15 compressor map to the above thread. If you run a pressure ratio of 1.8, 1.9 you might possibly see 13 lbs per minute. If you chart this you can see it is a good fit on the map. The problem is that you are over 10 psi and are planning on running a tbi. Not sure if you will be able to get the fuel on a a tbi to run this. You can run less of a pressure ratio, but you will not be in the best spot with the turbo.


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 Post subject: Re: I'm new!
PostPosted: Sun May 01, 2016 8:33 pm 
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Joined: Wed Apr 27, 2016 11:53 pm
Posts: 7
Location: Missouri
I'm only planning on running about 7 psi. And will an aftermarket ecu like a micro/megasquirt affect the fuel injection with the throttle body?


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 Post subject: Re: I'm new!
PostPosted: Mon May 02, 2016 7:50 am 
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Joined: Fri Sep 21, 2012 9:23 am
Posts: 178
Location: Mount Vernon, WA
You will have to refer to others on that question. It comes down to what you can get out of the single injector. You can maximize the single injector, but then you are done. I don't know if a larger injector would even fit in the tbi setup. Going mega-squirt or alternative for a tbi as far as I know is not something that is done. If you are putting that much time into the project I would switch over to the turbo fire fly intake with the 3 injectors. There are other more crude options for increasing fuel in a 1.0 3 cylinder tbi, but still the single injector in my opinion will cause problems. If you plot that you would be looking at abouth 85 horspower about 5700 rpms.


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 Post subject: Re: I'm new!
PostPosted: Wed Jun 08, 2016 6:24 pm 
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Joined: Sun May 22, 2005 9:56 pm
Posts: 1146
Location: Saint-Jérôme, Qc
With adequate fuel and ignition timing, the stock engine can take a lot more than 7psi don't worry. You need to figure out how you're gonna fuel the thing first.

MS is a good place to go, but I don't think anyone tried it on the stock TBI...

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'07 Suzuki SX4 JLX AWD 2.0 | Turbine Tech turbo kit @ 7psi
'08 Suzuki SX4 Sport 2.0 , average baby carrier


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