I was wondering what the top performance mods for the 240SX are in terms of pricing, ease of installation and performance gain?
I own a 1990 Nissan 240SX and so far have installed an RActive muffler, which added a small amount of power (maybe 3-5 HP), a cone filter air intake, which also added a small amount of power (3-5 HP) and an OBX header, which added a considerable amount of power (15-20 HP), I can really feel the power increase from the header in the high RPM range.
I also bought a G-Box air intake temperature chip cheap off E-Bay and was wondering if I can expect anything from it? Has anyone else installed one and felt any difference?
In your opinion, what performance mod should I do next considering a limited budget?
Top Performance Mods for 240SX
If I were you (and you want to stay N/A) I would sell all of the things you just bought and take w/e money you have left and sway in a DOHC KA motor into your car (once that is nice and healthy)...because the $150 youy spend on a healthy KA24DE will out perform that KA24E with any ebay parts....
After that there really isn't to much for power on these motors unless you go with forced induction. You shoudl really consider a DE swap though IMO. Just buy a nice clean KA for cheap and then a real header and exhaust for it and enjoy the xtra 20-30 HP....
After that there really isn't to much for power on these motors unless you go with forced induction. You shoudl really consider a DE swap though IMO. Just buy a nice clean KA for cheap and then a real header and exhaust for it and enjoy the xtra 20-30 HP....
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Arrow
- Posts: 624
- Joined: Thu Apr 22, 2004 3:28 pm
- Car: 1990 240SX SE - SOLD
2003 Kawasaki Ninja 250R - SOLD
2009 Kawasaki Ninja 650R - corner carver
1998 Pathfinder - Location: Raleigh, NC
I must disagree with you to some ectent candela, IMO I believe that the KA24E is a very well built engine that can handle HP mods quite nicely and IMO I think that they can out perform a DE model... but then again that is strickly MY OPINION. And I might also be bias since I own a 90 w/ the KA24E...
I think that they are an easier engine to fix up on a DIY basis. So if that is your style JiHbE, I believe the best modifactions that I am going to be doing to my car are the DIY ones... I get a sense of accomplishment from them and get more knowledge that way (and save a load of money in the process, a win win situation!)
I myself am thinking that if you go for a full catback exaust that might be the next step... There is a post about BSM's new system for the S13's on this forum, I believe that it is the second from the top... I myself am planning on getting their dual tip style when it is complete and after I save up the money for it... Good luck with your endevors!
I think that they are an easier engine to fix up on a DIY basis. So if that is your style JiHbE, I believe the best modifactions that I am going to be doing to my car are the DIY ones... I get a sense of accomplishment from them and get more knowledge that way (and save a load of money in the process, a win win situation!)
I myself am thinking that if you go for a full catback exaust that might be the next step... There is a post about BSM's new system for the S13's on this forum, I believe that it is the second from the top... I myself am planning on getting their dual tip style when it is complete and after I save up the money for it... Good luck with your endevors!
If the list up there is all you've got right now, your options are many. One good thing about the SOHC is that if you get a different cam, all you need is one, which is a lot cheaper than the DOHC engine. Plus the camshaft installs a lot easier. A friend and I did it in 30 minutes. ($300-500 in most cases)
MSD is pretty easy to do too. The hard part is to find a nice spot for it under the hood. The MSD box and the tach adaptor that is required are quite sizable and need a good flat space to mount. ($200 + or -)
Oh, and those ebay "chips" aren't the best thing to do. There are plenty of other posts regarding those. You may want to look at them.
MSD is pretty easy to do too. The hard part is to find a nice spot for it under the hood. The MSD box and the tach adaptor that is required are quite sizable and need a good flat space to mount. ($200 + or -)
Oh, and those ebay "chips" aren't the best thing to do. There are plenty of other posts regarding those. You may want to look at them.
msdignition.com will explain it best. It's an ignition upgrade that makes your coil spark harder and multiple times (keeps sparking for 20 degrees of crank rotation) while under 3000rpms and then one powerful spark any rpm beyond that. It will smooth idle, up gas mileage, improve throttle response, up horsepower (though slight). If you are interested in these, the base model is #6A. You can find them new and cheap on ebay. I just received mine yesterday and only paid $150. You will need to also buy their "tach adaptor" #8910 so that it will work with the 240's fuel injection/ tachometer. It can be found on jegs.com for $25. I plan on doing mine next wknd.
http://www.courtesyparts.com/nms/s13/s13_1.htmlI used the "R4" camshaft from Courtesy Nissan, it was $300. I went with this cam because it seemed to be the cheapest (You can actually get cheaper at PDM, but they require a core and machining head parts. By the time your done with them, you would have spent just as much.) And it was made by Nismo. I figured they should know this engine best. The site says to also buy/ replace the rockers. I didn't do that and it still works fine. No other cam requires it, I think they're just trying to make more money.
This R4 cam made my car lose some torque when under 3000 rpm and juice comes in after that and pulls to 6000+ easy. The stock cam seemed to start losing a little umph after 5000-5500rpm. You will have a lopey or shakey idle after installing the R4.
There is an R6 cam that is supposed to be "milder", but you'll have to search the net for that, Courtesy doesn't have that one. Consider this one if you have auto. trans. since they needs a little more low rpm power to be very streetable.
Sorry, long winded. LOL
http://www.courtesyparts.com/nms/s13/s13_1.htmlI used the "R4" camshaft from Courtesy Nissan, it was $300. I went with this cam because it seemed to be the cheapest (You can actually get cheaper at PDM, but they require a core and machining head parts. By the time your done with them, you would have spent just as much.) And it was made by Nismo. I figured they should know this engine best. The site says to also buy/ replace the rockers. I didn't do that and it still works fine. No other cam requires it, I think they're just trying to make more money.
This R4 cam made my car lose some torque when under 3000 rpm and juice comes in after that and pulls to 6000+ easy. The stock cam seemed to start losing a little umph after 5000-5500rpm. You will have a lopey or shakey idle after installing the R4.
There is an R6 cam that is supposed to be "milder", but you'll have to search the net for that, Courtesy doesn't have that one. Consider this one if you have auto. trans. since they needs a little more low rpm power to be very streetable.
Sorry, long winded. LOL
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kahoots240
- Posts: 111
- Joined: Tue Mar 02, 2004 7:25 pm
- Car: 95 se
kahoots240, clutches are hard for me to pick for you. It all depends on what you are running. I personally run the Centerforce II. It has 60% more hold than stock, has a stock pedal feel, and wasn't a bad price either. Pretty good for a street machine. If you are going for big time horsepower for drag, drift, auto cross, etc. then you'll need more. You'll have to do some research on each brand/ model/ price for your needs.
007jpang, I will put up pics next week for ya.
007jpang, I will put up pics next week for ya.
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MyCarIsWack
- Posts: 38
- Joined: Sun Mar 28, 2004 7:04 am
- Car: stuff
- Contact:
best performance mods would be suspension hands down....
Unfortunately we lack in the aggressive cams aftermarket department so it's hard to squeeze power out of the na.
However, I can think that lighter valves, pistons w/higher comp, headers, exhaust, port and polish, blueprinting and balancing, lighter flywheel, lighter forged rods, arp bolts everywhere, a standalone management unit, ITBS/sp? (individual throttle bodies), lighter driveshaft, an lsd, agressive clutch, maybe destroking (or shaving the heads), could get you more power....
Unfortunately we lack in the aggressive cams aftermarket department so it's hard to squeeze power out of the na.
However, I can think that lighter valves, pistons w/higher comp, headers, exhaust, port and polish, blueprinting and balancing, lighter flywheel, lighter forged rods, arp bolts everywhere, a standalone management unit, ITBS/sp? (individual throttle bodies), lighter driveshaft, an lsd, agressive clutch, maybe destroking (or shaving the heads), could get you more power....
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1995 240sx
- Posts: 15
- Joined: Sat Dec 06, 2003 1:04 pm
I would second the pullies they are the only thing that i have done so far and they gave about 5-8 hp but the bigest thing is that this slow revign engine now likes to rev making downshifts better
after i first put them on i found my self in the rev limiter bc i was not use to how fast it got up to the higher revs
I am not sure but UR may still be having a sale on the pullies so check their website
would help out the stuff u already have in the car
I would second Chingon on the suspension (that is my next step)
after i first put them on i found my self in the rev limiter bc i was not use to how fast it got up to the higher revs
I am not sure but UR may still be having a sale on the pullies so check their website
would help out the stuff u already have in the car
I would second Chingon on the suspension (that is my next step)
is $209 for the pullies cheap??http://www.courtesyparts.com/M...10101(UR)is there a place that sell it cheaper
http://www.rpmoutlet.com/
http://www.aspracing.com
both carry the pulleys
when you recieve your pulley MAKE SURE IT HAS THE TIMING MARKS ON IT. thankyou.
http://www.aspracing.com
both carry the pulleys
when you recieve your pulley MAKE SURE IT HAS THE TIMING MARKS ON IT. thankyou.
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1995 240sx
- Posts: 15
- Joined: Sat Dec 06, 2003 1:04 pm
007jpang,I just finished building the mounting plate out of 5/8" fire-rated wood. Going to paint it tomorrow. Mounting and wiring will be on Sat.
Yes, yes, I know. Wood is kind of ghetto, but there just isn't that much room under the hood. The only real space I had to begin with I used up mounting the NOS parts. I am using the space/ bolt holes left over from the removed AIV. That's where the wood comes in. Will have an update in a couple of days.
Yes, yes, I know. Wood is kind of ghetto, but there just isn't that much room under the hood. The only real space I had to begin with I used up mounting the NOS parts. I am using the space/ bolt holes left over from the removed AIV. That's where the wood comes in. Will have an update in a couple of days.