KA24DET Garrett GT2860RS setup

[supra33202]

I have my S13 Hatchback for about a year and I want to turbo my car now. I did suspension and brake already. My S13 is mainly for drifting, but I will drive it in the weekends too. So I want to keep my car as sleeperish/stockish as possible. Since this is my first turbo car and first time to do this, please let me know if you have any suggestions/tips.

My goal for this S13: I want to have around 250WHP with responsive acceleration. I am interested in good response and low-end torque for drifting. I also want it to be a sleeper, there is why I want to have a stock-looking dual exhaust. I also want to keep the cost as low as possible. I just want a typical good setup.

Reliability > Performance > Cost

Here is my setup:

JGS KA24DE Turbo Kit Starter Package with wastegate (4-bolt down pipe)$1028http://www.jgstools.com/turbo/...69878

Garrett GT2860RS-739548-1/GT28RS Disco Potato BB Turbo w/ T3 4 Bolt Ex (I want a responsive turbo with external wastegate. Any advantage to use T3 4 bolts vs T3 5 bolts?)$1078.52Garrett GT2860RS-739548-1/GT28RS Disco Potato BB Turbo w/ T3 4 Bolt Ex

Deatschwerks 550cc Injector KA24DE$339Deatschwerks

Walbro Fuel Pump for Nissan 240sx S13$109.32Walbro Fuel Pump for Nissan 240sx S13

CXRacing FMIC INTERCOOLER KIT 89-94 240SX S13 SR20det (Any other good alternative?)$207CXRacing FMIC INTERCOOLER KIT 89-94 240SX S13 SR20det:eBay Motors (item 330336025834 end time Jun-12-09 13:37:39 PDT)

HKS SSQV BLOW OFF VALVE KIT: UNIVERSAL (BLACK)$244.25HKS SSQV BLOW OFF VALVE KIT: UNIVERSAL (BLACK)

Z32 Mass Airflow Sensor (Do I need the Z32 plug? What is it for? I know I can find the used Z32 MAF cheaper in craisglist.)$223.59Nissan 2268030P00 300ZX Z32 Mass Airflow Sensor MAF MAFS - USED

Apexi Racing Suction for S13 SR20DET w/Z32 MAF (Will it fit perfectly?)$301.63Apexi Racing Suction for S13 SR20DET w/Z32 MAF

Spec Stage 3 for Nissan 240sx 89-98 KA24 (Any other suggestions?)$343.67Spec Stage 2 for Nissan 240sx 89-98 KA24

ISIS Dual N1 Exhaust - Nissan 240sx 89-98 (Any other cheap stock-looking exhaust?)$357.59http://enjukuracing.com/produc...{3}41

Stainless Test Pipe - 240SX S13/S14 SR20DET 89-98 with wideband bung$73.26Megan Racing Stainless Test Pipe - Nissan 240SX S13/S14 SR20DET 89-98

Summit® Battery Relocation Kits (I know there are some cheaper way to do this.)$89.9Summit SUM-G1200A - Summit® Battery Relocation Kits – SummitRacing.com

ISIS Aluminum Radiator - Nissan 240sx 89-98 w/KA24$228.59*ISIS Aluminum Radiator - Nissan 240sx 89-98 w/KA24 - Enjuku Racing

(2) ISIS 12 Inch Radiator Fans$87.79*ISIS 12 Inch Radiator Fan - Enjuku Racing Parts, LLC

Gold Heat Reflective Racing Film (Do I have a cheaper alternative?)$37.27Gold Heat Reflective Racing Film

NISSAN OEM KA24DE ENGINE OIL PAN 240SX 1991-98 S13 S14 (for welding the bung for turbo oil return) (Does anyone sell a oil pan with pre-weld bung already?)$127.9NISSAN OEM KA24DE ENGINE OIL PAN 240SX 1991-98 S13 S14:eBay Motors (item 300259703825 end time Jun-14-09 21:58:37 PDT)

Innovate wideband O2 “Standalone Gauge Kit”$329Innovate Motor Sports On-Line Store

Nistune Type 3 Package (Nistune or Emange Ultimate? I want to road tune myself, so no Enthalpy ECU.)$500Nistune Type 3 Package

White 7 Color 30 PSI Boost / Vacuum Gauge$39.99White 7 Color 30 PSI Boost / Vacuum Gauge

White 7 Color Oil Pressure Gauge$54.99White 7 Color 105 PSI Oil Pressure Gauge

White 7 Color Oil Temperature Gauge$49.99White 7 Color Oil Temperature Gauge

Universal Triple Gauge Single Din Radio Face Pod$12.99Universal Triple Gauge Single Din Radio Face Pod

Greddy Profec B Spec-II Electronic Boost Controller$386.18Greddy Profec B Spec-II Electronic Boost Controller

Total: $6250.42

My original budget is about $5000 to $6000. So I guess I need to either save money or find alternative solutions.

I will ask a welder to weld the hot pipe, and drill/weld the bung for turbo oil return on the oil pan. What other things that I might need from a shop?

And I will road tune this car with Nistune myself, and I still need to read a lot of thing. I know I will need help on this.

1) Do I have to remove EGR stuffs for turboing my car?2) I want to keep power steering and AC. Do you think I will have fitment issue?3) Have anybody try Cxracing KA24DE intercooler kit? Do you think it worth the price?cxracing.com: Front Mount Turbo Intercooler Aluminum Piping Kit for 91 - 94 Nissan 240SX with KA24DE DOHC Engine4) I am new to turboing, so I might miss some little parts. Do you see any miscellaneous parts that I will need?5) Any inexpensive place to order those parts or inexpensive way to accomplish my goal?6) Any other suggestions/tips?

Thanks!

[TwoJayZee240]

Damn! $6200? I have $1500 from buying the car and $5500 into my rb25 swap thats done and driving . I would do a swap.. I can already see this thread turning into a fight....

[sorrowfulkiller]

DO NOT get a test pipe with wideband bung, weld a bung into the down pipe about a foot from the turbo, this will keep heat down slightly, lengthening the life of the wideband and it will give you fairly accurate readings where as a test pipe one may read slightly later than you'd like.

Also, I and many other people have had issues with innovate products and their customer service is terrible. Get an AEM UEGO for a wideband, they're cheaper and you don't have to constantly calibrate them.

I have no other issues with this setup aside from the fact that you WILL BE choking the turbo at high rpms

[supra33202]

"you WILL BE choking the turbo at high rpms"

Could you clarify this?

[Ninjamasta]

Damn! $6200? I have $1500 from buying the car and $5500 into my rb25 swap thats done and driving . I would do a swap.. I can already see this thread turning into a fight....

$5500 for an RB swap? I'm guessing you are doing most of the work by yourself. Wow...I couldn't even get anywhere close to that, motor alone would cost me around $2500 if I'm lucky.

[TwoJayZee240]

$5500 for an RB swap? I'm guessing you are doing most of the work by yourself. Wow...I couldn't even get anywhere close to that, motor alone would cost me around $2500 if I'm lucky.

I got my swap for $1875 from jdm engine zone in NJ. I got the wiring dvd from drifting.com and did it myself. Anyone can do the swap, all the dvd's are step by step.

[Bmxandcars]

6 grand for only 250 hp. thats the biggest waste of money i've ever heard of. A gt28 should put you closer to 300hp.

[sorrowfulkiller]

"you WILL BE choking the turbo at high rpms"

Could you clarify this?

Excuse me I read your post wrong... I thought you said you were aiming for higher numbers. At 290 chp and 11.5 AFR, with a 15% drivetrain loss and a 7k redline you'll be extremely close to going past the choke line on the turbo, where you would start dropping boost off.

The points on the graph represent these rpm points.10002500275030004250550062507000

[supra33202]

6 grand for only 250 hp. thats the biggest waste of money i've ever heard of. A gt28 should put you closer to 300hp.

Did you read my entire post? 6k includes clutch, exhaust, etc.

If you think that is too much money, do you have any suggestions?

[supra33202]

Excuse me I read your post wrong... I thought you said you were aiming for higher numbers. At 290 chp and 11.5 AFR, with a 15% drivetrain loss and a 7k redline you'll be extremely close to going past the choke line on the turbo, where you would start dropping boost off.

The points on the graph represent these rpm points.10002500275030004250550062507000

So with my setup, I should have peak torque at 4250RPM, right? And this is exact what I want. I want my powerband between 3000RPM to 5000RPM.

[safin]

if you only want to achieve 250hp on the cheap........ get an SRRRRRRRRRRRR............

(that is my suggestion)

"Reliability > Performance > Cost" you cant have all three....

[supra33202]

if you only want to achieve 250hp on the cheap........ get an SRRRRRRRRRRRR............

(that is my suggestion)

"Reliability > Performance > Cost" you cant have all three....

That is so true. That is why I said Reliability is first, Performance second, and cost is last.

I read all those SR VS KAT debates. And I decided to go with KAT because it has more low end torque and I want to build my own KAT.

With $6000, I could have bought a nicely modified SR 250WHP+ S13 already.

[ChampaignSilviaS14]

If you sourced parts you could do a similar setup for half the price you are talking about.

I say if you are planning on spending 6 grand to get a nice S14 SR and upgrade a few things on it.

[sorrowfulkiller]

So with my setup, I should have peak torque at 4250RPM, right? And this is exact what I want. I want my powerband between 3000RPM to 5000RPM.

Yeah it should give you exactly what you want... That was at about 15 psi btw

I've got a program called engine analyzer pro that I also use to figure out rough HP numbers at specific rpms... I haven't gotten the KA24DE completely coded into it yet as I'm still using intake manifold specs from a b18c5, but the head, cams, stroke, bore, ect is all coded in. If you wanna see a dyno graph of what your powerband "may" look like I could post it... I'm too lazy right now though

[supra33202]

Yeah it should give you exactly what you want... That was at about 15 psi btw

I've got a program called engine analyzer pro that I also use to figure out rough HP numbers at specific rpms... I haven't gotten the KA24DE completely coded into it yet as I'm still using intake manifold specs from a b18c5, but the head, cams, stroke, bore, ect is all coded in. If you wanna see a dyno graph of what your powerband "may" look like I could post it... I'm too lazy right now though

Yes, I would like to see it. Can you do that with 8psi and 10psi? Since I will not upgrade my internal engine, I will probably stay in 8-10psi.

[TwoJayZee240]

Did you read my entire post? 6k includes clutch, exhaust, etc.

If you think that is too much money, do you have any suggestions?

Yah I baught a clutch and flywheel too. Compitition clutch ultralight flywheel and stage 4 six puck clutch for $674. They are a sponsor on here and will hook you up! I was in the same boat at you and after i added the list up i desided to do a swap because of mileage and reliability. Your car probably has over 140k like all of our 240's and then turbo and start drifting is going to stress it out,... Even an sr swap would be more feesable than this plan...

[sorrowfulkiller]

Yes, I would like to see it. Can you do that with 8psi and 10psi? Since I will not upgrade my internal engine, I will probably stay in 8-10psi.

Yeah I can do it with 8 and 10 psiI'll post it a bit later when I have time to, but keep in mind that I don't have the specs for the intake manifold coded in yet, I still mostly need just 2 things, runner length in inches and the diameter of the throttle body. If you can get me those two numbers It'll be much more accurate.

I gotta go to work soon but I'll post it in about... oh six hours or so.

[sorrowfulkiller]

nevermind....
Modified by sorrowfulkiller at 4:33 PM 6/14/2009

[chaosli]

i got the full cx racing kit not too great but i am planing to go twin scroll later down the road with a custom manifold and a vf 36

[sorrowfulkiller]

i got the full cx racing kit not too great but i am planing to go twin scroll later down the road with a custom manifold and a vf 36

That's gonna spool fast as s*** O_o

[supra33202]

Beside the cost, do you see any problems with my setup?

Could you answer some of my original questions?

[Fibre guy]

250hp is your goal?! Do you know how fast you will get board of only 250hp? I wouldn't go for a ka. With that budget you can go for a stock rb25det or rb26dett swap with just a fuel pump, FMIC, complete mount kit, and a little elbow grease. Maybe a rebuild too. You would have a minimum 250hp on tap at ANY time.... You would also have limitless room to upgrade. Don't forget the high 20's MPG's! (off boost) So I ask you, do you really not want to join the ranks of us RB guys?

[supra33202]

250hp is your goal?! Do you know how fast you will get board of only 250hp? I wouldn't go for a ka. With that budget you can go for a stock rb25det or rb26dett swap with just a fuel pump, FMIC, complete mount kit, and a little elbow grease. Maybe a rebuild too. You would have a minimum 250hp on tap at ANY time.... You would also have limitless room to upgrade. Don't forget the high 20's MPG's! (off boost) So I ask you, do you really not want to join the ranks of us RB guys?

I understand that rb25det or rb26dett swap is a good option for my situation. However, I want to learn how to turbo my KA24DE. With my posted setup, I could have 300+ HP once I upgrade my turbo and the engine internal in the future. Another con for rb23det or rb26dett swap setup is it is hard to find those parts if I blew the engine. On the other hands, KA24DE parts are abundant. You can called me stubborn, and I really appreciate your suggestion. And as of right now, I just want KA24DET.

[sorrowfulkiller]

I forgot to let you know btw, I'm having some issues with that program, I am seeing that the torque numbers are way off for my ka24de setup in the program... I think it's because of head design or valve dimensions. I'll let you know when I get a working "worthwhile" ka24de in the program.

Seriously though from what others are telling me you would like a t3 50 trim .63 a/r

Also, I would personally pick the e-manage ultimate... you can go to a speed density setup with it, meaning no more maf!

[jeremymr06]

-kind off pricy for just 250hp. if you said 350 it would be more realistic. -just do a clean rb25 swap, more power and torque through out the range, better for drifting.-dont spend more then 3500 on a ka unless you want 350hp and up.

[sorrowfulkiller]

gotta agree with the rb25 idea... it would be much much better for drifting. If you were specifically using the car for drifting I would drop in either an sr20 and rev the hell out've it or use an rb25 with a properly sized turbo

[supra33202]

Any other suggestions?

[AZ89two4Tsx]

If you want some decent answers, post in engine specific forums. 240gen is well........240gen if you know what I mean.

Many people (in 240gen) just talk out of their asses. They just name off stats and go by what OTHER people say or what they read, not experience.

[Wc240]

^

[visser003]

I don't understand why everyone thinks SR's are more reliable than a KA.

Like 95% of the SR's left have over 60,000 miles on them. The KA can be turboed with stock sr parts and put down more power than the SR.I say if your only looking for 250 but have such a fat budget, get a good t3 tubular manifold and a t3/t04e .48ar...hell, a GT30 if your rich.You will have good response and have room to grow, plus the turbo is only ~$450 new.

If you tune it properly and make sure your motor is in good condition before you turbo, the KA will handle the extra power FINE. I would only start worrying about it past 300WHP