need info to turbo rebuilt ka24de

[fajballer07]

Hi everyone. I am new to this forum but i love reading all of the other posts. Here is what i am trying to get info on. Please give me all the help i can get.

I have a 1992 240sx hatch. It has 130,000 miles on it. Since i have had the car just under the hood i have replaced the following.

Radiator,water pump, knock sensor, plugs , cap, rotor, and wires, all of the basics but onthe other end.I have a shaved head that was cleaned with all new oem valves and seals as well as a littleport and polish. I have a cometic head gasket to raise the compression . I have eliminated the full egr system as well as the basics as full back exhaust(no cat) to a dynomax muffler and intake. That covers the basics under the hood but i have a full brand new rack and pinion for the hicas on the car all new rotors calipers and pads. A stiage2 clutch. It is sitting on 18by8.5 and 225 by 40 up front and 235 by 40 in the rear.

What i plan to do is add a little boost to runbetween 7-8 psi all day everyday. My car is a daily driver and it needsto be reliable.From what i see from other forums is that others even with stock not rebuilt ka24de boost and have good and bad responses. I plan to do the kit off ebay for about 800 do,llars. I plan to use stock injectors at first and from what i hear some have no problems with a t25 turbo and a piggyback system.

I need info and feedback as what to do. i priced this upgrade to abot 1100 dollars. would it be worth it??? please let me know. Thanks marc

[ThatSRguy]

You get what you pay for, i think if you do anything is research more about the topic and atleast get a set of 370cc injectors. not enough fuel= detonation

[fajballer07]

i have read that there has been some sucsess with stock injectors as long as you have a safc. is that true or am i taking a 50/50 chance like u said. thanks

[ThatSRguy]

I have been working on a KA-T motor for a little over a month and im not risking a little extra power in exchange for a possable blown motor ( i dont have much money to rreplace it if i did) so i would save up a few dollars for the safe way and not the fast way, also if you havent already bought an safc i would go nistune its a really awsome setup and i wish thats the route i would have taken. its basiclly a stand alone ecu with base maps and every thing but it uses your stock ecu. you wire in a daughter board and plug in a lap top to that and you can tune just about every thing. also ithose cheap ebay manifolds are a fail waiting to happen. i would look around the classifieds to see if you cant find an old sr turbo and a decent manifold i picked up my used sr turbo for 100 bux and i found some other parts like down pipes and turbo lines for pretty cheap just rember to do it right the first time and dont forget all the parts you need and make sure you have all the parts before you start

[fajballer07]

thanks for the good info. where can i look into more about the nistune? sounds like a plan. I thought about going the same route as far as the old sr turbo but where did you luck out. From nicostore all there was ,was one forbout 300 orso. is it worth it or would i need to rebuild it on top of that? thanks

[ThatSRguy]

http://www.nistune.com/ thats where you can get the daughter board from. I'm not the best solderer in the world i dunno about you but i would pay some nerd techy guy that knows a lot about computers. also you can find em on ebay blown for cheap i think my friend found one online for 50 bux also ask around you would be surprised 300 isnt bad for a brand new one at all if your comfortable enough to rebuild i would go that route but i would get like a gt28rs or an s15 turbo something ball bearing that spools up quick. another thing if you are doing a quick spooling turbo be careful of boost spikes . and another thing the 370cc injectors are form an sr20 so you can find used one for like 100 dollars

[fajballer07]

see that iswhy i signed up. i didnt know they were stock on the sr.cool i have to find a good place to but used sr parts. got any good places? and if you dont mind what do you mean about the whole nerd and solering thing. what has to be sordered.? thanks

[ThatSRguy]

The daughter board has to be solderd in to your mother board in your stock ECU its only like 40 pins if you go to the website it will show you all you need. As for the sr injectors i would find some one who upgraded theirs and try to buy them off of them or you could always try e-bay. another thing to rember is that when you get your car running again with the turbo you should only use premium or you run the risk of blowing it

[fajballer07]

thanks for some more good info. i will have to look into who can dothat around my town. I have done almost everything to boost my car as of rightnow and i guess its a good thing. I always use premium. Now i have heard to change your oil twice asmuch as soon as you turbo. Is that true or is that only if it sludges rightaway. Thanksalot bro

[ThatSRguy]

get a turbo timer and change the oil at 3.5k

[fajballer07]

yeah see i have heard that is the only way to go. There is one or two kids in my town who are idiots and run the s*** out of there cars and then just shut them off.WTF, I also have benn told by my boosted buddies that they way i drive on a daily basis is rough so it wouldnt be a bad idea to have one now.Any feedback? I change every 3k now with whatever syntec change is on sale. one buddy says it might be to soon. feedback yes or no? Thannks man. I would put a pic up but it says the file is to big.

[480sx]

i have read that there has been some sucsess with stock injectors as long as you have a safc. is that true or am i taking a 50/50 chance like u said. thanks

For every one success that a SAFC and 270cc injectors have had there are 10 people who have blown their motor that exact same way.

If your so hard up that you cant upgrade your injectors, you need to go with a FMU setup. It is a boost activated rising rate FPR, 8:1 ratio. For every one PSI of boost it sees, it adds 8 psi of fuel pressure. Reliable, great for 7-8 psi of safe boost, the only good cheap option. You can add a SAFC to that with a tune, and you'll have a very reliable and nice DD for cheap.

SAFC is really only good as a fine tuning device. Trying to use it as your soul tuning system is pretty much a fail at this point.

Your other option is to do things with upgradeability in mind. Nistune + professional tune, or Enthalpy(IMO) + tuned SAFC.

[fajballer07]

so here is what is going on. I got the hook up on all the parts and it should be kat by nevt week friday or so. I comp testerd tyhe car and gopt 189 across gthe board excepot for a 190. Th guy who is doing my install is doing it right. The ngine is rebuilt except for the bootom end but it should be alright at na lower boost. He is running a precision t3/t4 turbo a stainless manifold walbroo 255 pump a fmu(not sure) and it is going to be non intercooled. That has been the topic. Siuence i am running stock injectors he wants to do non intercooled. At 6 pounds it should be perfect. If ecerything works out great here soon i am going to do an upgrade in injectors a aem fic and a pl,x wideband,. For right now she should be beast of a kat. What do you others think?

[Chris28]

What would using stock injectors have to with it being intercooled or not? Ebay intercoolers are cheap and reliable.

[fajballer07]

yes when it comes time to intercool ebay is coing to be the way. I am going with the shops ideas to an extent and i dont wanna push the engine right off the batt. He wants to do a hot pie with a teal wastegate and blowoff, recirulated