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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 06-29-2007, 03:23 PM   #1
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Smile Building turbo kit help...

ok so im kinda of new to this and i just bought a rebuilt t25 turbo of an sr20 turbo and i also got greddy
PRofec B-Spec2 boost controller, AEM Gauge-Type Wideband UEGO Controller, and boost guage to go with it, and i need some help finding a manifold and downpipe that would go with my car and turbo, also i was wondering if i can use my stock ecu and tuned it to go with the turbo ecu. And also if any one can help me to find the rest of the things i need for the set up..
thanks.
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Old 06-29-2007, 03:32 PM   #2
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A lot of people will recommend BEGi who already makes a manifold and DP that'll work with that turbo.
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Old 06-29-2007, 03:37 PM   #3
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yeah i have called them and asked but they were chargin me 800 and right now i don't have that kind of money
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Old 06-29-2007, 03:50 PM   #4
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you could go for the hks manifold but no one besides racing mazda (forget anything in a timely manner from them if at all) makes a dp for it.

the only real bolt on mani and dp combos are from begi or fm and if you feel like paying shipping AVO from down under (correct me if im wrong on that one).

As for the ecu thing judging from the price of the dp/mani comment, you might be going with the emanage blue or perhaps a megasquirt?

Most board members will tell you to get the emb or ms on there now and get it running NA before you bolt on the turbo, that way you can get it running with less compound issues, if something is amiss there are alot less things to look over when its N/A.

In my opinion unless you are doing the tuning yourself, there is no REAL need for the wideband, dyno operators will have one that they can tune the car with. Just my opinion.
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Old 06-30-2007, 06:10 PM   #5
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ok i got most of the parts now all i need is to get a downpipe and recirculatory BOV, also 550 or 460 injectors
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Old 06-30-2007, 06:21 PM   #6
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what kind of boost you trying to run? bov from bosch can be had for 30. But 305's should suffice. Check RX-7 forums for hte larger injectors and send them to be cleaned.
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Old 06-30-2007, 06:26 PM   #7
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i was thinking 460 or rc 550 injectors i've tried to register but they haven't send me the email to verify i have registered
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Old 06-30-2007, 06:27 PM   #8
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i was looking at 8 to 9psi prob.
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Old 06-30-2007, 06:28 PM   #9
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okay for that you should be safe with 305's lots of people have them They're from a Supra.
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Old 06-30-2007, 06:37 PM   #10
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Quote:
Originally Posted by mxdrift View Post
i was thinking 460 or rc 550 injectors i've tried to register but they haven't send me the email to verify i have registered
Quote:
Originally Posted by mxdrift View Post
i was looking at 8 to 9psi prob.

does the '03 have a retrunless fuel system? if not I suggest you stick with OEM injectors, a new fuel pump and FMU.

idling 460 or 550cc injectors is not going to happen on the stock ECU, and it doesn't sound like you have the budget for an EMS.
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Old 07-02-2007, 03:51 PM   #11
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yeah i think so
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