Thread: 400whp, Whats needed?

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2010-12-26 05:50:14

#91

unijabnx2000 Online/offline status of unijabnx2000 is unknown

This will not end well

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Originally Posted by Andreas
Use the GT2871R, with .86 ar turbine housing.

It will make the 350-370 WHP mark with JWT S4 cams at 15PSI with no problems . If you change your mind for more WHP then you will have it. It is always best to not run the turbo right at its power level peak as you tend to run high intake and exhaust temps.

350-360 WHP is pushing the GT28RS to its limit and they usally see that WHP at 16-17 PSI. It can make alot more with external wastegate but keeping things simple with internal wastegate is the way to go for what you want.

GT2871R for the win

Im guessing those numbers on the 2860rs are with S4 cams.
I have S3 cams running 17psi on a .63ar T3 (it flows 1cfm less than the .86ar T2) swapped Disco potato. Im making 335whp

From the readings ive seen around, the RWD SR20s seem to make a lil more power with the same turbos @ the same boost...or maybe im crazy..?

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1992 NX2000 - GTX28 - RS6
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2010-12-26 06:08:27

#92

Keo

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RWD normally have the better manifold, jpipe and less exhaust bends.

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Originally Posted by Cliff

You are now known as "1 Up Chuck".

for a good time call
410-347-1488 (rejection hotline!)

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2010-12-26 06:09:28

#93

unijabnx2000 Online/offline status of unijabnx2000 is unknown

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yay so i must not be crazy...

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2010-12-26 06:13:05

#94

Keo

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Funny thread!

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Originally Posted by Cliff

You are now known as "1 Up Chuck".

for a good time call
410-347-1488 (rejection hotline!)

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2010-12-26 06:22:33

#95

red91sr

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Originally Posted by Keo

Funny thread!

Hillarious waste of bandwidth.

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'91 se-r, primera swap, baby turbo kit, ghetto garage queen.
Pull the trigger and the nightmare ends.
Flooring it out of my driveway since 2011!

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2010-12-27 03:46:50

#96

Cliff

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Thread cleaned and re-opened.

I've moved all the nonsense posts into this thread:

http://www.sr20-forum.com/offtopic/40574-off-topic-comments-400whp-whats-needed.html

Please keep this thread on topic.

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2010-12-27 03:57:00

#97

Will

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sweet modding.

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White '92 NX2000 - JWT PP & B15 Disk, Hypercoil Gen2 damped by Koni Yellow Sports NX Thread

Black '95 200sx SE-R T28 Turbo Lowport 286whp/245wtq 12.306 @ 113.55 200sx Thread

Originally Posted by wnwright
I'm sorry I'm an engineer. I'm looking at the math.

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2010-12-28 03:48:16

#98

xavi1320t

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Originally Posted by Andreas
SR20DET motor
GTIR Manifold with GTIR J Pipe
GT2871R
740cc injs
JWT ECU
JWT S4 cams
Z32 MAF
JWT pop filter
Frount mount intercooler with 2.5 in piping
3 inch exhaust
Aluminum flywheel
JWT Clutch

You will make 410-420 WHP at 20 PSI. The car will runs 11.6 @ 124 MPH with M&H 24.5 x 8.5 x 15 slicks

This setup is one of the best alround turbo setups you will ever run in my opinion.

Make sure you get a P11 00-02 LSD gear box.

Hey Miko suppose this ame setup minus the cams, n flywheel would you think that at 15 psi it would make good power? Oh the real question was would rc eng 750cc injectors would be ok for that setup or would subie injectors do the job?

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2010-12-28 13:59:29

#99

Cliff

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Personally, I wouldn't run sub 650cc injectors for a 400whp setup. 740cc injectors at 3bar are close to 90% duty cycle as it is around 400whp.

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2010-12-28 22:06:35

#100

Coheed

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My 740cc injectors are at 90% duty at 450whp or so according to datascan. But I hear that the injectors can support 550whp or so with more pressure. My maf readings are also very near the 5V max.

For 400whp I think the 740cc injectors are the best bet. Along with a z32 maf and you are set.

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