whats is the fastest way reaching 350-400 hp on stock RB20det motor?

Discuss the RB20, RB25 and RB26 series engines.
fmendoza2929
Posts: 39
Joined: Sun Sep 21, 2008 8:17 am
Car: Nissan 240sx s14

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Hi anyone out there if you can please share your knowledge, expertise, experience, or guidance tip on how would it be possible to reach 350HP-400HP on a bone stock RB20det in a s14 chasis without having to do internal work to the motor.


Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

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Bigger turbo and supporting mods.

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maryjane
Posts: 740
Joined: Tue May 12, 2009 7:50 am

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z32 maf, larger injectors, turbo, rom tune ecu

fmendoza2929
Posts: 39
Joined: Sun Sep 21, 2008 8:17 am
Car: Nissan 240sx s14

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what kind of turbo would you recomend for a rb20det and what supporting mods would you need?

fmendoza2929
Posts: 39
Joined: Sun Sep 21, 2008 8:17 am
Car: Nissan 240sx s14

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what kind of injectors, and rom-tune would you agree with nistune?

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DriftingisLame
Posts: 974
Joined: Wed Feb 02, 2005 1:41 pm
Car: '91 240sx coupe, rb20det

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Freakin search man, every one of your questions so far are either not applicable to this forum or easily found with a search. I really dont like being an a-hole, but this forum has been flooded with newb questions lately. If you're serious about doing this stuff, do some READING, start with the button labeled SEARH.

Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

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I have made about 5 lists complete of as I can think about what supporting mods you need. Try searching posts under my user name.

For turbo, 400rwhp, or at the motor? Wheels, Holset HX35. Motor, T3/TO4e or even something smaller.

fmendoza2929
Posts: 39
Joined: Sun Sep 21, 2008 8:17 am
Car: Nissan 240sx s14

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hey man its okay i understand you have had a bad day at work and youre only way to take the load off is to act like a pr*ck with a person who is simply try to build up a rb20

fmendoza2929
Posts: 39
Joined: Sun Sep 21, 2008 8:17 am
Car: Nissan 240sx s14

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Thanks

dizzywithsunstroke
Posts: 172
Joined: Tue Dec 11, 2007 6:57 pm
Car: 1995 Nissan 240sx w/ RB20DET and 1997 Nissan Hardbody

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he's right man. i have read countless thread about this same topic.

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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blatantly copy my setup, it works.gt3076rtomei cams 260*/8.9mm z32 maf720cc injectorsfull on rom tune18-22psi

at a minimum 550cc injectors...will not support more than 380whp.may ways to an end goal, this is just one.

ST240
Posts: 575
Joined: Sun Aug 04, 2002 11:45 am
Car: RB30DET Nissan S13
'01 Nissan Pathfinder
Location: Edmonton, Canada

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Carl H wrote:blatantly copy my setup, it works.gt3076rtomei cams 260*/8.9mm z32 maf720cc injectorsfull on rom tune18-22psi

at a minimum 550cc injectors...will not support more than 380whp.may ways to an end goal, this is just one.
Hows the lag on that setup?

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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not as bad as you think...with the .63ar turbine housing i saw 14psi by 4.2k or so.with the atp twin entry .78 im seeing it at 4.5k.it makes power but im not gonna lie, its laggy on the street...definately a good track setup tho.


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