My KA-T setup see any problems?

Information on the naturally-aspirated KA24E and KA24DE engines.
dubstyles240
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I am building this motor over time.. i already have the block done, with the ARP main studs, CP pistons (8.5:1, .020 over) and the crower rods. this list does not include any machine shop work. please just review it and tell me if you see any holes in my plan. im just looking for suggestions here, this list isnt set in stone. thanks. btw, i am planning on running 25 PSI at the track, and 15 on street.

FMAX stage 1 turbo kit - cip - 3800Titanium retainers/dual springs - 319 - ka24de.comARP head and main studs - 289 - ka24de.comValves - 319 - ka24de.comJWT Cams and Gears - 700 - JWTFord Cobra MAF - 200 - ka24de.comECU - JWT - 600JWT Flywheel - JWTGarret GT28RS Turbo - 1150 - JWTSPEC Stage 4 Clutch - 330 - CIPBlitz nur spec cat back or RS*R ex mag 2 cat back - 560ASP pulley - 120 - enjukuFluidyne radiator - 520 - cipMSD 50 lb/hr injectors - 289 - ka24de.comFuel Rail - JWTInjector plugs - JWTNismo Fuel Pressure regulator - JWTCrower Rods - 670 - CIPCP Pistons - 500HKS Twin Power distributor - 400 - CIPBlitz stage 8 plugs - 80 - phase2


andrave
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Car: 1989 Nissan 240SX Coupe
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I hope you are saying "this is retail" and not saying "this is what I'm paying" cause damn some of that **** is overpriced.

that turbo sounds too small for your plans, you injectors sound undersized... if you are going with all that work you might as well up your fuel and your turbo to take advantage of it, because you could probably max out those injectors and probably that turbo on stock rods with no headwork.

Nathan
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looks like a really complete setup you have, some places you may be able to save money is the JWT fuel rail, JGY Customs makes an almost identical and just as good one for 130$. You can also get "delphi" 75# injectors that are actually identical to MSD 72# from http://www.racetronix.com for 57.50 each. I also dont really care for your disco potato turbo choice, I think it's a shade small for a KA and just doesn't make the power it should (no offense). Finally, whats the purpose of this car? Oh, and if you get an aftermarket fuel rail, tell them your using a nismo regulator, not an aeromotive etc. the aeromotive is a ***** to use anyway (I know from personal experience).

dubstyles240
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sounds good, keep em coming.

This is for drag racing, but it will be street driven too.

Nathan
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One other question, thats a pricey list right there...whats the total budget?

dubstyles240
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total budget... jeez, i donno. i have all the time in the world to build this motor. its just sittin in the ol' basement, i hydrolocked it a few summers ago, and swapped it out. I guess we could say a 10K budget. remember though, the short block's done

dubstyles240
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also since the disco potato isnt going over too well... what would you guys recommend?

02_silver_wagon
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You said it was going to be a daily driver and then on the weekends a quarter mile queen right? What rpm do you want full boost at? What whp are you looking to get at 15psi and 25psi? This will help us suggest a turbo.

SloS13
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since you're spendin all this money, get a ball bearing t3/t4

Nathan
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Hmmm, I'd want something other than a ball bearing t3/t04 something. Perhaps a GT30 or larger. Gotta have those new GT turbine wheels :)

edit:actually they are ball bearing hybrids, I'd just want the better exhaust wheels.

02_silver_wagon
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I've been told the new Precision Turbo SC61 uses the new GT wheels. Plus it will make gobs of hp at 15 and 25psi.

Nathan
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The SC61 was a turbo I seriously considered, I probably should have gotten it. Oh well :)

1998cc
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I would put some 72lb injectors in, instead of those 50lbers. 25psi is alot for 50lb injectors. I heard that JWT doesn't make good cams for turbo ka's. You don't really need them, because you'll make alot of horsepower still.

dubstyles240
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i'd like to make peak hp around 5000 or so RPMs, I'd like to have 400 whp, i donno if i'll get to that, but running elevens would be fun.

i decided to go with the 75lb injectors from delphi

what cams would you suggest if the JWT ones are no good for my application? It seems like valve overlap isn't too necessary on turbo cars, maybe a little bit to help push out the spent gases.

and last but not least.... fuel. am i gonna be able to run 93 octane with all of this? and can you go to the track on an almost empty tank (93) octane and put a few gallons of 110 in it?

02_silver_wagon
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Nathan wrote:The SC61 was a turbo I seriously considered, I probably should have gotten it. Oh well :)


What turbo did you decide to go with? How do you like it?

Nathan
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Just your standard fare T3/T04E, 50 trim comp, .63 a/r turbine, stage 3 wheel. It's not up and running yet, but we'll know pretty soon.

dubstyles240
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Heres what i got off the precision turbo website...

This turbo is designed for 1.8-2.0L Honda motors. The turbo consists of a .60 a/r front compressor housing and a Garrett Gt wheel. The back comes in t3 5 bolt flange in .48 .63. In t4 5 bolt flange it comes with .58 .68 or .81 rear housing. The rear flange also comes with an option for the v-band if you choose t4. Expect this turbo to make 600+hp to the wheels. This Turbo Features New Garret Gt Technology!!!

.60 A/R front compressor housing means its a 60 trim right? what is it that they are saying about the flanges and different sizes? i dont really understand what the trim of a turbo is. my friend says 60 trim is way to big for a street car.

GELLIS2586
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Car: 2006 IS350 / previously 1997 240sx se pearl white

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Get the nsport stage 3 kit. comes with nearly everything you want for like 7k. With 3k left over you can fill in the holes and maybe even have money left over. If you get a turbo from precision get the sc44 with the .63 ar. I've heard it it a bad mother fvcker.

dubstyles240
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my short block is already done, i dont need the stage 3

canadians14
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you say your buying the stage one kit that i assume comes with a turbo AND a GT28 turbo ... what are you planning on doing with the extra turbo ?

dubstyles240
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i guess i'll be selling it, i wont have any need for it

j-z
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a/r and trim are two different things. the a/r is refering to the size of the housing. the trim is refering to the size of the wheel. 5bolt means 5bolt exhaust housing. hondas prefer these over the 4 bolt becuase of space issues. the best thing you can do when picking out a turbo is to get one sized for your needs. so call the experts on this one. im sure they will help you out cause i hear nothing but good things about precision.


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