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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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Glad we can help fella's...
 Truth is Treason in the Kingdom of Lies - Ron Paul
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taco_401
Offline
184 posts
240sx
providence R.I
11-22-2005
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it will help out all nobbs
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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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This forum is only as good as it's members.
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Nismo240driver
Offline
21 posts
93 S13
Caledonia MI
9-30-2007
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| « Re: (WDRacing) | 12:51 PM 1/6/2008 |
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helped out alot since i am only aiming for 250ish hp..thanks nice write up!
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advanceKEN240
Offline
17 posts
El Monte CA
1-23-2008
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great write up......helped alot and gave me an idea of wat i need to do. thanks
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GTR PrYdE
Offline
984 posts
1993 Nissan 240SX, 2003 Evolution VIII
La Porte TX
6-5-2005
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| « Re: What Can My KAT Handle In Stock Form (WDRacing) | 7:25 PM 2/3/2008 |
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This is a great read, it should be promted automatically to new members... seriously.
KA-T DD as of 6-01-2009
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Chris_240SX_77
Offline
1 posts
1989 240SX
Redmond WA
2-17-2008
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| « Re: What Can My KAT Handle In Stock Form (GTR PrYdE) | 5:14 PM 2/17/2008 |
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I would have to say that I am a noob and this write up was a HUGE help... especially since I just went out and spent 35 bucks for a compression tester to find that my #4 cylinder was well below the 155psi. Definitely saved me big time, now I know for sure it's time for a rebuild before I go any further.This forum R0CKS
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zaza240sx
Offline
38 posts
1990 240sx
Nappanee IN
12-4-2007
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| « Re: What Can My KAT Handle In Stock Form (WDRacing) | 7:23 PM 2/20/2008 |
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great write up helped out alot
I am The CHUKI MOnSTAR
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1991h9
Bone Smoker
Offline
123 posts
1991 240sx
Nor Cal
8-23-2007
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| « Re: What Can My KAT Handle In Stock Form (zaza240sx) | 10:18 PM 2/24/2008 |
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thanks for that write up, i was wanting to do a ka`t set up , but in the back of my mind i think about some pics ive seen, and most sr`s look much more simpler( not as much wires everywhere) or is that just cause of the a/c and other crap?
FOR SALEHatch with window & spoiler
Nice Drum set
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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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| « Re: What Can My KAT Handle In Stock Form (1991h9) | 5:42 AM 2/25/2008 |
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As far as the engine harness is concerned there are the same amount of wires. Since each motor has roughly the same sensors required to make it run. Many times when you do some work on the KA, you can hide the wiring a lot better then the factory did. Running it through the intake manifold etc instead of on top. WD
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Chuki-ChanStarr
Offline
38 posts
stock 92 s13 240sx fastback...I also drive my bf's (stock EG, lol)
Fayetteville NC
1-21-2008
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I plan on working with my KA...  so this helps BIGTIME! ty!
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1991h9
Bone Smoker
Offline
123 posts
1991 240sx
Nor Cal
8-23-2007
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| « still need a lil help | 11:04 AM 3/1/2008 |
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that helped alot, but i need to know what i need to have to handle the power i`ll end up wanting, 350whp, i know i have to rebuild it because it has 177,000 miles, but it runs like a champ still. so what should i replace and upgrade.
Thanks
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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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| « Re: still need a lil help (1991h9) | 1:28 PM 3/1/2008 |
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| Quote, originally posted by 1991h9 » | that helped alot, but i need to know what i need to have to handle the power i`ll end up wanting, 350whp, i know i have to rebuild it because it has 177,000 miles, but it runs like a champ still. so what should i replace and upgrade.
Thanks |
Make a new thread so we can discuss it.
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Ballboygordon
Offline
13 posts
houston tx
7-22-2005
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| « Re: still need a lil help (WDRacing) | 11:10 AM 3/4/2008 |
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Honestly, with my experience in KA-T I have found that 350ish HP is very achievable on the stock engine as long as you have a good tune. Whether it's megasquirt, jwt, AEM EMS, E-manage..whatever as long as it doesn't get too lean and it pulls enough timing. So far, I have noticed that the best results across the board have come with the Enthalpy tune. Their AFR's are almost always dead on around 11.5 across the board, and several guys run their KA-Ts great with it. I think that the main thing that kills KA-Ts is overboosting and under fueling.
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cksidewayz
Offline
2 posts
Yakima Washington
3-6-2008
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| « Re: What Can My KAT Handle In Stock Form (WDRacing) | 9:05 AM 3/6/2008 |
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awesome forum! though i have to ask, I have heard that you can take sohc internals to a dohc KA and that will assist in getting it turbo ready...
is that accurate. a friend and i just got a 65,000 mile KA from an S14 and we would like to boost it.
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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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| « Re: What Can My KAT Handle In Stock Form (cksidewayz) | 10:23 AM 3/6/2008 |
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The DOHC 9.5:1 cpmpression ratio is fine for boost. The higher compression yeild better off boost driving as well as gas mileage. You will need the timing retarded reguardless of what compression ratio you end up with.I wouldn't worry about lowering the compression unless you want to run a lot of boost and make some serious power. In which case I would also recommend forged internals. WD
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Chris-s14
Offline
7 posts
1998 240sx
Miami Fl
3-24-2008
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| « Re: What Can My KAT Handle In Stock Form (WDRacing) | 1:29 PM 3/24/2008 |
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Damn, nice wrtie up man. much thanks!! 
]
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: What Can My KAT Handle In Stock Form (Chris-s14) | 9:45 AM 3/31/2008 |
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As far as I'm aware, the KA comes with forged rods and crank from the factory. This, along with the iron block and 2.4L of displacement me seem to be why the KA can handle great amounts of power on factory internals. If your goals are only 350whp, the stock engine can take it reliably if it is in good condition. I'll be doing a rebuild when I get back to NY where my 240 is. I am replacing all gaskets and seals, getting the block tested for cracks and cleaned up a bit, arp main and head studs, clevite bearings, stock rods, stock pistons, new stock rings, p&p and a 3 angle valvejob, oversized valves, v3 cams and an upgrade to the valvetrain and switching to dual springs, port matching the mani, new oil pump and timing kit, 72lb injectors(using larger than needed for ability to upgrade). All running about a grand. My goal is as close to 400whp as I can get with safe afr's and timing using a biki-rom. I plan to further upgrade the bottom end when I desire more power and get some more money by installing a BC 2.65L stroker kit with the counterweighted crank, also upgrading the turbo from my current T04b35(not sure yet what size i'll be looking at tho).I'd say if you're going to boos the stock engine with no rebuild then stick between 250whp-300whp if you're looking for power and reliability. If it's not as much of a DD or you are willing to push it more, the engine can handle much more, just depends on the condition of it and your tune like others have said. People have blown their engines running under 300hp and many have over 400whp that have yet to replace stock internals. Tuning is pretty much the most important thing you can do. I've compression tested my stock KA at 180,xxx miles on it and it came to 170 across the board +- 4psi. I was thrilled, until i then threw a 150hp shot of nitrous at it while in first and my afr **** the bed, I went lean all the way to 16:1 and now I'm rebuilding lol.
| Quote, originally posted by addisonblck » | the naked man is always right...lol
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taco_401
Offline
184 posts
240sx
providence R.I
11-22-2005
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good info
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gemballamiragegt
Offline
63 posts
1991 s13 HB
Scottsdale az
4-3-2008
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Hey guys im new to NICO and dont know a great deal about the Nissan 240. im planning on buying one this summer and am trying to get parts and stuff mapped out. here is what im think for my turbo set up. any input would be helpful, thanks.
-TurboFab Top Mount Turbo Manifold
-Garrett T3/T04E Turbo
-Tial 38mm Wastegate
-Peakboost 38mm Dump Pipe
-GReddy BOV
-Godspeed Intercooler Kitwill this be a decent set up or no?
"You can't rationalize cars like these. You don't buy them with your head, you buy them with your heart, cause you love them. And you can't explain love."
-Jeremy Clarkson, BBC Top Gear.
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (gemballamiragegt) | 4:03 PM 4/4/2008 |
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don't forget bigger injectors, check some of the sponsors on NiCO for them. If you're power goals are 250whp and under then sr20 injectors or 370cc should be ok. I'd say for every 50whp after that it's a safe bet to go a step up in injector size, cause you can never be too safe and they really don't cost much more. Also you'll want a wideband o2 sensor and something to tune you're air fuel ratios. If you're power goals are 300whp or below you can get away with an safcII or something along the lines of just a simple afr controller...anything more than that you'll want a piggy back. Rom tunes are a good investment for anything under 400whp for the price but you're stuck with the tune unless you want to re-tune. There's people on this forum and ka-t.org that do rom tunes for really good prices, for about the same as a good afr controller. Making over 400whp I'd say your best bet for engine management would be a standalone, some people use piggybacks, but standalone engine management will always have more tuning options. Other than that, make sure you have colder plugs, retard your timing a little, and JGS makes a good oil line kit for the turbo. I wouldn't push the stock block too much more than 350whp without rebuilding it with stonger internals...but like mentioned before people do it, you just need a good tune and an engine that's been taken care of. Hope this helps and GL with the KA-T
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gemballamiragegt
Offline
63 posts
1991 s13 HB
Scottsdale az
4-3-2008
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| « Re: (ken240sx) | 7:22 PM 4/4/2008 |
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thanks man that actually did help alot. my power goals right now arent that high tho, im just looking for somewhere in the 250 range. that will be plenty of power just to play with on the streets.
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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Well, if you're going for 250whp that's a healthy number using the stock block. All you'll need is the items you've already listed plus 370cc injectors(a pair of sr injectors), high flow fuel pump, and I'd say get a rom tune from one of the people on the forums. You'll may even it closer to 300whp if everything is done correctly, but the injectors will be the thing to hold you back from making much more. You'll have room for upgrade if you upgrade the injectors some. It's up to you on your power goals, but 300whp and below is great for a daily driver and it will be pretty reliable with a good tune.
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gemballamiragegt
Offline
63 posts
1991 s13 HB
Scottsdale az
4-3-2008
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| « Re: (ken240sx) | 3:14 AM 4/6/2008 |
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i was thinking going to the 550cc injectors. probly GReddy. but to do that do i need to get a top feed fuel rail or no?
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gemballamiragegt
Offline
63 posts
1991 s13 HB
Scottsdale az
4-3-2008
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| « Re: (gemballamiragegt) | 3:20 AM 4/6/2008 |
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and if i do need a top feed fuel rail, what brand should i go for and how much am i looking at spending??
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WDRacing
Porn Crusader
Offline
16864 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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| « Re: What Can My KAT Handle In Stock Form (ken240sx) | 7:28 AM 4/6/2008 |
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| Quote, originally posted by ken240sx » | | As far as I'm aware, the KA comes with forged rods and crank from the factory. |
The rods are shotpeened, not forged. | Quote, originally posted by gemballamiragegt » | | i was thinking going to the 550cc injectors. probly GReddy. but to do that do i need to get a top feed fuel rail or no? |
Going with the 370's is a bad idea unless you're getting a used set really cheap. They simply don't give you any room to grow. The 550's or 72lb injectors are definitly the best choice. Both of witch come in a side feed setup like the stock injector. So they are drop in replacements for the stock units. Emance or Enthalpy rom tuning are the two best options as far as tuning goes at the moment. Unless you want to tune it yourself, then the options are based more on budget. Could you guys make new threads if you're going to discuss personal questions or setup's please. Thx
WD
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: What Can My KAT Handle In Stock Form (WDRacing) | 12:26 PM 4/6/2008 |
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| Quote, originally posted by WDRacing » | The rods are shotpeened, not forged.
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Thank you, I wasn't sure if they were forged or not.
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mannie111
Offline
28 posts
240sx
Miramar Flordia
3-28-2008
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| « Re: (WDRacing) | 6:39 AM 4/7/2008 |
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great thread! lots of useful info
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bleakdragonmage
Offline
39 posts
Whittier CA
4-23-2007
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| « Re: (mannie111) | 9:55 AM 4/25/2008 |
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yea seriously, great thread..especially for those like me who are swapping a motor and dont know which one...
im taking the motor out of my z31 soon and i want a more unique swap...so im going either KA24DET or CA18DET...i only want like 350whp...
 1988 570zx SS Edition
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AMTHotMods
Offline
2 posts
89 240sx
Daytona Beach Fl
5-11-2008
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Hello All
I had a 91 DOHC and i loved it. I got into a wreak and i couldn't find another. well after 3 years a found one. its a 89 SOHC. And i was wondering is it worth it to swap to the KA24DE or does the KA24e have the same potential. Also this might be a sill question but could a upper swap be done like from the heads up to turn a KA24e to a ka24de.This is the first theed I have read and i must say I am very impressed.
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (AMTHotMods) | 10:29 PM 5/11/2008 |
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I'd just turbo the KA24E, they have tons of potential. They only start out at 10hp less. Oh and no to your question about the head swap. Unlike hondas, they aren't interchangeable without major modifications. So if you planned on a de swap, you're gonna wanna just go with the whole engine/tranny.
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AMTHotMods
Offline
2 posts
89 240sx
Daytona Beach Fl
5-11-2008
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| « Re: (ken240sx) | 10:43 PM 5/11/2008 |
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OK I'm 99.99999 sure that you don't have have to swap the tranny if you swap the engine. what i was referring to was at 300hp is the SOHC going to hold up as well and will it be harder to get there in the SOHC.
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (AMTHotMods) | 1:02 AM 5/12/2008 |
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It will hold up fine.
And all I said is that I would swap both engine and tranny..especially if there's an auto on the sohc 
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kod240kat
Offline
14 posts
1991 nissan 240sx
PHILA pennsylvania
5-5-2008
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| « Re: (ken240sx) | 10:03 PM 5/14/2008 |
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WAT UP EVERYONE
first i want to say GREAT POSTS lots of infoi am about to turbo my 91 s13
i just want to know about the emissions wat i need to keep and wat to throw away. please if you can. Thnk you
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (kod240kat) | 11:06 PM 5/14/2008 |
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If you get the right turbo manifold and downpipe you can keep all your emissions. If your state isn't strict about emissions you might as well just remove them all and plug up all the vacuum ports except the idle air control valve and blow-by hose which are both connected to your intake tubing. you'll need a metal plate and gasket material to plug up the hole where your egr valve attaches to your intake manifold. If your state is strict on emissions then just try to get a mani and downpipe that have the threaded bungs welded on already to hook up the stock emissions.
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kod240kat
Offline
14 posts
1991 nissan 240sx
PHILA pennsylvania
5-5-2008
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| « Re: (ken240sx) | 5:47 AM 5/15/2008 |
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thats was very helpful thank you
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kod240kat
Offline
14 posts
1991 nissan 240sx
PHILA pennsylvania
5-5-2008
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| « Re: (ken240sx) | 3:45 PM 5/15/2008 |
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i know i can use the stock fuel rail i am only looking for 250 to 300 hp on my stock
kade, i want to know if can use the same fuel pressure regulator
also i got the t3/t4 turbo kit from ebay everyone keep saying its crappy what do you say
if you don't mind.
thanks
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (kod240kat) | 4:33 PM 5/15/2008 |
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Well the fuel rail is fine, just get some bigger injectors and a high flow fuel pump. the fuel pressure regulator will be ok i think but why not invest in an aftermarket one, couldn't hurt. The turbo kit is ok, except for the turbo. The kit has 50/50 reviews. Some people have been using it for a while and have no problems. Others have had their turbos **** the bed. Other than the turbo, the rest of the stuff that comes with it is fine, the BOV is pretty cheap tho...if it comes with one.
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kod240kat
Offline
14 posts
1991 nissan 240sx
PHILA pennsylvania
5-5-2008
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| « Re: (ken240sx) | 7:27 AM 5/16/2008 |
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thats great info tanks a lot , if anything you need help with let me know
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kod240kat
Offline
14 posts
1991 nissan 240sx
PHILA pennsylvania
5-5-2008
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| « Re: (ken240sx) | 4:33 PM 5/18/2008 |
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i don't want to be a pain but i need your help, my engine has 115,000 mi
the compression is 160, 155, 160, 180. should i rebuild it. i took my intake manifold off all the the emissions off other than iacv and the blow by hose. also i am getting the intake manifold cleaned and re machined.
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