xNCDUBx

I just got a s14 with a sr20 blacktop in it. Im trying to get around 400 hp out of it. What parts would be needed to produce somewhere around 400 hp? Any help on this would be great.

20 til 3

FMIC
gt2871
big injectors
e85
fuel pump
300zx maf
nistune
dp/exhaust

little bit of papschmere and some hopes and dreams

4-20sx

forgetting the cams and intake manifold upgrade

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VNG704

I really hate to say it but "search." It has been covered sooo many times. This is not the slightest special of a question that needs to be asked. You will find alot of info on this forum.

xNCDUBx

I understand what your saying. It might have been covered sooo many times as you would say. Im new to the 240's. Just wanted some input and opinions. Thats all.

xNCDUBx

I have most of the things he said. All except 300zx maf and cams and nistune.I think the car has a jwt tuned ecu in it. If im shooting for 400 hp. What size injectors should i use and should i get Greddy E Manage or no?

VNG704

dude, keep the jwt ecu and just have jwt retune it if I had to choose between jwt and emanage. don't go emanage, imo. info for 2871 setup, click: http://zilvia.net/f/tech-talk/124925...-sr-motor.html ...there's more to getting 400whp. You probably want it to last too. cooling, efficiently putting the hp down, reliability, etc...seriously, read around the forum.

s15specR

You should visit the thread posted above and read through the whole thing, that should provide you with more than enough info.

xNCDUBx

Thanks. For all the info. I will read it.

sidedrifts13

get apex l jetro or d jetro, cams big turbo injectors and z32 maf fmic oil cooler good aftermarket radiator

PoorMans180SX

Easiest way to 400hp?

That search button at the top of the page.

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steve shadows

Don't listen to people who say 2871R, unless they mean Brake HP (or at the flywheel).

Some people have been able to pull off 400whp on the dot with the smaller varient but it is more the exception than the rule.

I suggest looking into the 50 Trim T04E compressor wheel with a T3 turbine housing, these turbos are extremely affordable if you don't mind going with a simple top mount manifold setup.

The other suggestion I have is the GT3071R or GT3076R bottom mount varient, we have tuned a few up to 430-450 whp!!! on Stock bottom end and on a dyno dynamics (hear breaker dyno).

Just some other things to keep i mind.

Most important of all is TUNING TUNING TUNING.

Whether is be local tuner, or high quality wideband to fine tune the fuel map, and getting a solid timing map from a map builder, or doing some serious dyno time with a tuner who knows his EFI. Tuning makes all the difference in longevity, low end power and power band curve and peak power.

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DJDANGER24

BUMP +1 on this

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xNCDUBx

After i do some work im going to take it to National Speed i think in Wilmington NC. They have a nice set up and Ive heard good things about the dude that does the Tuning.

derass

Haltech PS1000
Nismo 740cc
GT2871R (3in/2in slip on connections)

niscur29

I second this! Steve just got done working on my base tune for this exact same setup. My goal is to hit as close to 400whp as possible.

Precision 50trim
Peakboost Manifold Setup
272 Cams
Freddy Manifold (came with the car)
MAP/AIT
AEM EMS
Built Block and Upgrade springs,retainers etc.

Now if it wasnt for me being cheap after spending a fortune and reusing the water pump which turned out to be bad/leaking this thing would be running.

GroundPerformance

I'm actually upgrading my friends S13 SR to that Power Range as well. Below is some of the notable parts were putting together for this power goal. Motor is stock Internally just ARP HS and APEXi HG.

- Forced Performance TD06SL2-20G turbo
- 740cc Injectors
- Z32 Maf
- Nistune'd ECU
- Stage 2 Cams
- Generic FMIC Kit
- 3" DP/Exhaust
- Stage 3 Clutch
- Electronic Boost Controller
- Dyno Tuning Time

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GabeS14

Ignore the search comments!
Threads like this are necessary everyonce in a while, since newer parts come out people discover new setups, etc

I would say get a
gt30 or bigger size turbo to guarantee the 400hp mark
Add cams
850cc injectors
Good quality manifold
3" exhaust
Fmic
Q45 throttle body
Z32 maf,
To keep it simple i would say get a jwt tuned ecu and enjoy it!
You can also get cams from jwt, they are awesome

I would highly recommend getting forged piston/rod combo and ras

You will
Also
Need a 6puck clutch or if you can afford it a twin plate would be best



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R33E8

just get a gt35 or some other big turbo..

Om1kron

sell sr20 make about 2 grand profit, save 4000 more dollars install proper ls1 with t56 transmission. never worry about dying turbos and always have 400hp on tap daily drivable and no cops giving you tickets for adjustable blow off valves.

bish bosh boosh.

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GabeS14

That is also a very good idea!
Also you could buy someones setup
Who
Already has 400-500 hp built motor, ive seen a fee in the $4000-5000 mark
Which isnt a bad price, either way you go you will end up spending way more if you build it up yourself from scratch.




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VNG704

If you do it yourself, you have the discretion of doing it when you feel like. It doesn't have to be built quickly. A $7000(random #) build over a long period of time is easier on you, than dropping $5000 on a single buy. You end up paying more but the stress is less. For me atleast, since that kind of money doesn't come by too often.

inopsey

sure hope you also have a wideband. i run a 3071 and got steves' base map 'service' to find out that i was running 13.7 afr wot from a 'dyno tuned custom map' for my setup. these maps are so far off that i had to add a tonne of fuel and even more timing to get this thing to run right. to top it off steve refused to answer any of my emalis with datalogs to rewrite the map and didnt return or answer my calls.

xNCDUBx

I appreciate all the info. All of the info is very helpful to me. I would like to do a Ls1 but i already have the SR Blacktop with a good start on it being built. I have most of the things everyone has mention. Really all im lacking is a bigger turbo,bigger injectors,Z32 maf,and a wideband and a good tune to reach the numbers im looking for from what i see so far.See i have not even drove the car yet. Its getting a make over on the outside. Everything else is already in or on the motor. I have a good question. It has a aftermarket manifold on it. I think there is a Garrett GT28 turbo on it.Can I upgrade just the turbo to a bigger one and will it bolt directly on or will i have to change some things also with the turbo.Its a bottom mount set up.

VNG704

as long as it is a t2 turbo and have the 5 bolt exhaust side like the current, it will bolt up.

niscur29

Yes I do have a wideband (fjo) and steve has been more then helpful right now even answering my questions rather quickly considering we are on opposite coasts. But this thread isnt about that...

To the OP....get a wide band also to keep track of you afr's....

greenman100

Sounds about right.

R33E8

That's crazy.. It took steve at least 24hr's to reply to my emails even with the gold service.. the map he sent me has 0 chance of working with my setup.. The only time he replied quickly was when I asked for my money back and he refused.. steve shadows sucks.. don't use him..

Anyways to the OP, get a big turbo and some 1000cc injectors.. you'll make 400whp no problem with room for more if wanted.. and don't get steve shadows to tune your car lol..

shiftdrift

pretty sure he's a very respected tuner/zilvia member. you're gonna need more than accusations.

xNCDUBx

will the GT2871r bolt right up on a bottom mount?