nitrious good or bad

Information on the naturally-aspirated KA24E and KA24DE engines.
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nine2five
Posts: 20
Joined: Sun Feb 11, 2007 11:03 pm

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i have a stock pignose and i want to spray on it to smoke a honda talkin **** i have a kit sitten at my house if i can use it safley wat size shot can i run????


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SketchyRollin564
Posts: 3907
Joined: Sat Mar 24, 2007 4:06 pm
Car: SR hatchback in the werks

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Your doing this just so you can beat a honda?

Thats wack...

wa-chiss
Posts: 2569
Joined: Mon Feb 20, 2006 10:23 pm
Car: 1990 Nissan S13 H/C KA24E
2005 Toyota Sequoia
1976 Honda CB750F Super Sport
Location: San Angelo, TX

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Ok, I hope your not racing on the streets. That being said, is doesn't matter how much you spray. If you don't tune accordingly, you'll fry your pistons and end up blowing your motor. You could get a stock SR fuel pump, an adjustable FPR, adjust for about 55-60 psi, and probably be O.K. w/ a 50-75 shot of laughing gas. Now of course if you blow your motor, you can't blame me.

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oki_bum
Posts: 418
Joined: Wed Feb 15, 2006 11:23 am
Car: SR Powered 1990 240SX

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I've heard mixed reviews about nitrous on our cars regardless of motor. I've read several threads on here from people who have 50 shot of nitrous. Look into it...

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Brandon93240
Posts: 511
Joined: Mon Feb 26, 2007 11:41 am
Car: 1993 240sx

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dude u'll be completly fine with a 75 wet kit. Pull about 2 3 degrees out, run 1 step colder plugs and some 93 and u'll be fine. Unless u have like a million miles on it and its never had a tune up. I'd recommend seeing what kind of condition the engine is in first(check compression)so u don't blow up ur car. By the way is it ur dd?

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adrianfromthecastle
Posts: 18849
Joined: Wed Jun 29, 2005 5:36 am
Car: 1992 Nissan 240sx
Location: California

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SketchyRollin564 wrote:Your doing this just so you can beat a honda?

Thats wack...
+1

LOL

boosted_SR
Posts: 12
Joined: Thu Dec 21, 2006 11:54 am
Car: 98 nissan 240sx sr20det

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i have a 75 wet kit on my ka and nothing is wrong with the engine . im thinking of buying another ka and spray 100 to see if it will hold up

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nine2five
Posts: 20
Joined: Sun Feb 11, 2007 11:03 pm

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did you spray on it stock or did you do mods to support it like the fuel pressure,and timing, also what octane are u running..

boosted_SR
Posts: 12
Joined: Thu Dec 21, 2006 11:54 am
Car: 98 nissan 240sx sr20det

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you allways need 93 octane when you spray nitro you dont have to do nothing with the timing my is advanced and nothing is happening

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bone_stock_240
Posts: 3467
Joined: Thu Jan 25, 2007 4:50 am
Car: 1995 Infiniti Q45

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Don't do it. Let the honda keep talking his crap. You will either blow up your motor or lose control because of your cut springs.

I have a feeling that you are a regular user that made another account just to get a rise out of people. Nawz, cut springs, racing a honda?? If that isn't an invitation for flaming, I don't know what is.

sx_hatch
Posts: 122
Joined: Sun Jun 26, 2005 5:27 pm
Car: 90 240sx coupe

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honestly some of you bash on cutt springs pretty bad they are not that bad i did them right.. and i dont race on the streets i race track only.also its my friend with the honda and im just tryin to have good ole funn...

Logan76
Posts: 7983
Joined: Thu Mar 30, 2006 6:06 am
Car: Junk

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If your using spray on a KA, thats fine, I wouldnt spray on an SR, with a walboro fuel pump, adj. fpr, and your kit, preferably wet, I would run a 100shot, as someone above mentioned, N20 is a great thing on KA's its a cheap power maker, I would be all about it, gotta beat dem hondaz.

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nine2five
Posts: 20
Joined: Sun Feb 11, 2007 11:03 pm

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sorry guys i replied last on my friends user name i forgot wasnt at my house...SX_HATCH IS NOT ME

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ZiG
Posts: 836
Joined: Tue Aug 22, 2006 4:01 pm
Car: 1993 240sx coupe

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What would be really funny is if you blew the intake manifold right off, right in front of the honda.. anyway, waht size you run is all dependant on how much tuning you feel like doing. If you do zero tuning, then spray a 0 shot.

Shift_Kouki
Posts: 692
Joined: Mon Sep 11, 2006 2:34 am
Car: 95 Nissan 240SX SE

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Problem is it would likely blow more out to the side, rather than the really cool direction of shooting through the top of the hood. But yeah, how hilariously ironic that would be.

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booboo
Posts: 162
Joined: Sun Mar 11, 2007 11:28 am
Car: 1991 nissan 240sx

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Shift_Kouki wrote:Problem is it would likely blow more out to the side, rather than the really cool direction of shooting through the top of the hood. But yeah, how hilariously ironic that would be.

Shift_Kouki
Posts: 692
Joined: Mon Sep 11, 2006 2:34 am
Car: 95 Nissan 240SX SE

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Because NOS is now somewhat amusing to me... I would like to share my first experience with NOS.

Car club buys junk subaru for like $150. Car club puts on a NOS kit no one wants to use.Purge line was windshield wiper hose flapping wildly all over the hood.35 shot, need more NOS.Club takes car to strip.35 shot insufficient, 75 shot time.Clutch slippage became issue.Intake box and filter removed, air run from MAF screen.Could not find anyone willing to lend us a chain to pull exhaust off with. (bummer)

Car eventually kind-of died when alternator was broken in half (longer story)

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bone_stock_240
Posts: 3467
Joined: Thu Jan 25, 2007 4:50 am
Car: 1995 Infiniti Q45

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That is a terrible story. Where was the danger to the manifold?

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Brandon93240
Posts: 511
Joined: Mon Feb 26, 2007 11:41 am
Car: 1993 240sx

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I'd still pull atleast 2-3 degrees so u don't melt any plugs, unless ur using a direct port setup(which is what I had for the 150 shot) the nitrous will puddle in the intake and one or two cylinders will get more than others and u have the chance of burning a valve. I had it happen to me with a pirana nozel before I went dp. If you do a direct port u could get away with 175 and an safc. I ran my car like that at baytown atleast 15 passes with no problems, and my plugs always looked good. I ran the 150 shot for the longest time though, about 1.5-2 years. Also I live in texas not ill. so its alot hotter here.

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booboo
Posts: 162
Joined: Sun Mar 11, 2007 11:28 am
Car: 1991 nissan 240sx

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A NOS Nitrous Oxide Kits -Single Fogger Wet Universal E.F.I. Kit, IS THAT GOOD OR BAD OR should i get a direct port setup and i have a ka24de

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Brandon93240
Posts: 511
Joined: Mon Feb 26, 2007 11:41 am
Car: 1993 240sx

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if u have the money the dp is much better. It gives better atomization and is safer for larger shots. I've seen people have puddling problems with as little as a 75 hit and blow their filter off. U don't want a nitrous backfire, it'll blow ur sec. screen off of ur mafs and take out the element usually. I had this happen, car still ran but was down on power, it took a few days of playing with my consult to realize it was my maf. I took it off and low and behold my screen was smashed into the heating element. Like I said I ran a 175 dp kit and didn't blow up, that was with a safc, timing backed out 3 degrees and 93 with some torco 100. I'd do a dp, start with 75, step colder plugs, pull 2 degrees with 93 and do a few runs watching either a wideband or a scan tool watching engine knock. Its also going to depend where u live, I played with my jets alot to get the best pull for the safety. Alot of the v8 guys couldn't believe that my 4 cyl was that fast and holding up with that big of a hit, it moved really good. Also NOS is a pos, Nitrous Express is the best out there, if anyone thinks otherwise u don't know **** about nitrous kits or quality.

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booboo
Posts: 162
Joined: Sun Mar 11, 2007 11:28 am
Car: 1991 nissan 240sx

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so is this the kit i need http://www.shopatron.com/produ...0.0.0

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WI_S14_Goldie
Posts: 1027
Joined: Sat Nov 19, 2005 4:51 am
Car: 1995 Nissan 240sx SE, 91 240 fastback LE, 1997 kouki S14, DD = 93 Nissan Maxima
Location: Wisconsin
Contact:

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sx_hatch wrote:honestly some of you bash on cutt springs pretty bad they are not that bad i did them right.. and i dont race on the streets i race track only.also its my friend with the honda and im just tryin to have good ole funn...
Cut springs FTL! Handling: Crap! Ride comfort: Crap! Safety/reliability: Crap! Not to mention most guys that cut their springs are boys!

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Philsnotfalling
Posts: 209
Joined: Mon Oct 27, 2003 3:18 pm
Car: 90 hatch 93 coupe
Location: conroe, tx

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yep thats the kit u need, my buddy brandons13 had that on his car, what a beast. We smoked alot of pep's with that kit on his car.

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srdub-t
Posts: 644
Joined: Wed Dec 20, 2006 4:59 pm
Car: white 91 SR22 powered coupe 240sx, 95 black c36 amg

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hey nine2five dont worry about beeting hondas thats what the guy with the m3 u roll around with is for, and as for the cut springs ive seen you around and your always sideways so i guess theyre not that bad, plus if aint fast its sideways so halla atcha boyyyyyy wit the white 91 coupe!!!!!! BTN

Shift_Kouki
Posts: 692
Joined: Mon Sep 11, 2006 2:34 am
Car: 95 Nissan 240SX SE

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LOL @ ^ gotta love them BMW nutswingers beatin up on dem hondaz
bone_stock_240 wrote:That is a terrible story. Where was the danger to the manifold?
Sorry bro, I thought drunk people + sledge hammer + NOS + Subaru + fire made for a good story... Perhaps it was my own intoxication that makes it seem so cool.

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turbomrdeuce
Posts: 65
Joined: Mon Mar 26, 2007 3:17 pm
Car: 91 Mr2 Turbo, 92 Sentra Se-r turbo

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wa-chiss wrote:an adjustable FPR, adjust for about 55-60 psi
too bad he will need a safc to run 4 bar fuel otherwise good luck getting his car to run right.

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Brandon93240
Posts: 511
Joined: Mon Feb 26, 2007 11:41 am
Car: 1993 240sx

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I wouldn't listen to anyone who hasn't had first hand experience with nitrous on a 240. I've had some sort of kit on my car for over 8 years, alot of street racers in the houston area can vouch for seeing my car run not only on the streets but at the track also. So in other words if u've never had a kit on ur car, or a car that u tuned urself this guy doesn't need ur 2 cents. As for the fp reg. My fuel system was completely stock up to when I had more than a 100 shot other than a z32 fuel filter, which isn't really a mod, just a new filter every 2-3 months. If u try spraying on an all original 200k mile motor, chances are something will go wrong. Thats why u need to check the condition of the enigne and supportive systems first. I guess I'll make a break down of what I had and what I think is safe.All examples are with 93 oct unless noted.

50 shot-no mods needed(in consideration that the engine is in good running condition)

75 shot-atleast need 1 step colder plugs, recommend pulling 2 degrees timing if u live in a hot climate

100 shot-step colder plugs, 3-4 degrees pulled atleast, mix 100 oct with 93, I usually did half and half until I got my aeromotive.

125 shot- 2 step colder plugs, no iridums(trust me the electrodes will melt, have pics) 4 degrees pulled, half half fuel, fp set to 46 psi at idle.

150 shot-same as above, increased fuel pressure to 48 psi at idle

175 shot- 2 step colder plugs, safc, same fuel pressure, super98 and 114 cam2 half and half mix(kiss ur 02 sensor goodbye)pulled 5-6 degrees timing.

200 shot-tried this a few passes, kept melting electrodes, car ran good on the bottom end of the track but the top end it was leaning out, didn't have the wideband on at the time to see my a/f's so I rejetted to the 175.

This car was setup by me and Conley's on a dyno with a wideband from the 100 shot to the 175 shot. The jets I used weren't the recommended jets from NX, if u run a NX dp kit I'll give u the sizes of the jets needed for the actual gain wanted. I don't recommend using NOS kits, the seats are brass and are bad about leaking, NX are all casehardened and ss bodies. The only other person I know of who has had a large hit on a 240 is Chris Aries, I don't think he comes around that much anymore, also a Houstonian, I know he's seen my red s14 in action at RSI on westimier. Almost forgot, I used a dp kit when I went from the 100 to the 125 and up. I really don't feel its safe to use a single nozzle kit for anything larger than 75 even if u are using the pirana nozzle.

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booboo
Posts: 162
Joined: Sun Mar 11, 2007 11:28 am
Car: 1991 nissan 240sx

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ok for the safc is Apexi V-AFC II a good one

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Brandon93240
Posts: 511
Joined: Mon Feb 26, 2007 11:41 am
Car: 1993 240sx

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You need the safc, the vafc is for vtec cars. I've never owned a honda, much less one with a vafc so I'm not 100% sure how well it would work in place of the safc. I know it controls when vtec is engaged but I'm not sure if u can configure it to work without that. In other words if you haven't gotten one yet just get the safc. I forgot to add in my other post that I suggest working ur way up the ladder, not just putting everything on and put 150 shot jets in and see what happens. Its also a better idea to do it on a dyno, or atleast with a wideband of some sort, above the 100 shot range it'll want to lean out at the top of 3 and so on, thats where the afc comes in handy. Just increasing ur fp alone is a bandaid. JWT use to sell a nitrous computer, I don't know if they still do, I think it even controls the nitrous also, but I'm not sure how large of a shot u can run. Accesories I recommend are a nx bottle heater, best on the market, it uses a pressure sensor on the vavle to keep the bottle pressure up. I've seen to many people do it the hillbilly way with a burnzomatic and blow the releif vavle open and almost catch their car on fire.


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