Suggestions on set ups for 600hp

[newdude1]

Im really looking into building a 600 hp sr20. I have been looking around and I keep reading different things about how much the block it self can hold,etc. I would like to know what set ups people are using for high hp sr's. For example, piston rod combo, what bearings, sleeved or not, stroked or stock bore and so on and so on.

Any information is greatly appreciated.

[fliprayzin240sx]

Its doable but its gonna be very very expensive...if 600hp is your goal, it will be cheaper and more reliable to do so with an RB25.

Besides, 600 hp on an SR will have a very narrow powerband...kiss your low end and mid gone. RB will have a better, more usable powerband.

[ch1873857]

depending on what your building the car to do. id hope 600 hp is for a non-street car. drifty car id suspect. this is what i would attempt on top of a fully built block and head.

http://www.nipponpower.com/~nippon/prod_imgs/img-816-1-large.jpg
GT35r

twin scroll t3 flange..
http://www.atpturbo.com/mm5/graphics/00000001/t3%20divided%20housing.jpg

and use on of these.
http://ep.yimg.com/ca/I/supra_2105_137608
Quick Spool Valve (http://www.suprastore.com/spquspva.html)

this will close off one "scroll" of the exhaust housing until boost is present, then opens it all up. making your .86 AR housing a managable .42 housing which an sr can spool no problem.

this is not a wastegate. and this will not increase power. its sole purpose is to increase power in the mid range by spooling quicker. on the supra in the video with a much larger turbo, increase 150ft/lbs in the midrange, which enough to change the entire powerband.

you talking about a lot of damn money not to mention there arent too many 600hp sr's running around. nor the NEED for a 600hp 240sx. my opinion tho. just saying if i were to want to do it. this is probably the route i would go. thats just the turbo.. also look at these sites..

How to build a fully built 9k RPM SR20 Head (http://forums.nicoclub.com/project-building-a-sr20det-head-to-rev-9000k-t222395.html)

VG transmission adapter instructions (http://www.mazworx.com/docs/srvg%20transmission%20adapter%20kit%20instructions .pdf)

Because you WILL need a tranny to hold the power.

dont forget. engine management, fuel system, clutch, intercooler.

id recommend powerfc, haltech, or nistune. that is tuned by someone that really knows what they are doing. look for people that have tuned an sr for that power before ie Enthalpy.

and lastly, as far as the intercooler, throttle response is detrimental to spooling the turbo. If this a track day/ race car. I would do an air to water intercooler, setup with the core under the hood and the heat exchanger flush with the radiator with moster fans and shrouding/ducting to suit.

take a look here.

Air-to-Water intercoolers (http://www.frozenboost.com/stpg.php?page_id=water_to_air)

that site has everything with great prices. i was looking at the 350hp setup which would run under 500 bucks for everything...

i hope ive helped shine some light on the subject. i work mids in a comm facility. i have absolutely nothing better to do

[fliprayzin240sx]

Here's my setup:

Engine:
A'pexi PFC
87mm Greddy Piston
Eagle Rods
Garrett GT3582R
Trust Top mount Manifold and Downpipe ---changing to a Mazworx manifold
Trust External Wastegate ------changing to Tial 44mm
Greddy Oil Pan
Tomei 1.5mm Metal Headgasket
Tomei Solid Lifters
Tomei 270 Pro Cams Exh/Int
Tomei Cam Gears
Tomei Ported and Polished Head
Greddy Intake Manifold
Skyline TB
Sard 850cc
HKS Oil Cooler w/ oil filter relocator kit
SARD FPR
Tomei RAS
Greddy GTR Radiator
Billion Thermostat
TBO Catch can
Greddy FMIC
Greddy Type R BOV
Powered By Max Swirl Pot
URAS Engine Mount
FAL E-fans
Yashio Factory Water Pulley
A'pexi GT SPec Exhaust

Drivetrain:
Custom RB25 Tranny
OS Giken TS2BD Twin Plate Clutch
Peak Performance Hard Transmission Mount

Boosting 1.8 bar but have pushed it to 2.0 bar. But what all I've done, I could have gone RB25 and have a cheaper setup.

I had a buddy out here with an RB25 into an R32. Stock bottom end, headwork/cams, PFC and a big ass Holset HX50 turbo, made over 600hp. He spent maybe 1/4 of what I spent.

[ch1873857]

hey at least i had the turbo and the pfc right..

[rweezly_s13]

i like this b/c i'm looking into
building an sr20det stateside, but
not as much power, maybe 400 range...
sorry not tryna thread jack, just
get some information as well

[newdude1]

humm.... I guess Ill look into the rb25 then.

[ross.cottrill]

yep,you can do it on an sr,but its going to be a shit ton of mulah!!just go to mazworx.com and you can see what ive spent over the past year at building close to a 800hp daily sr...
90mm bore
full raceport head and all the goodies including solid lifter setup
full-race twin scroll t4 turbo kit
z32 trans kit
aem etc etc...
i think fliprayzins got the better route.i just didnt want an rb incase something broke.i didnt want to be shit outa luck until i found a replacement part...