here is a site with weight reduction

http://en.wikibooks.org/wiki/Nissan_240SX_Performance_Modification/Weight_Reduction

 

i calculated for an s13 to be 2172 which is darn close. add some light rims, lexan instead of glass or you can completely drop the bottom of the trunk like Dent Sport garage did with this 240:
http://www.dentsport.com/gallery/v/dsg/events/GTLIVE/DSCF2803.JPG.html
http://www.dentsport.com/gallery/v/dsg/events/GTLIVE/DSCF2887.JPG.html
http://www.dentsport.com/gallery/v/dsg/events/GTLIVE/DSCF2813.JPG.html

 

damn you... you got to this before me fwao. I was going to post DSG's hatch as well. Although the coupe has a lower base weight than the s13 hatch i think you can remove more on the hatch and still maintain structural integrity. iirc that DSG hit below 2k lbs.

 

I've got a 90 240 that I circle track race, at the track no gas, 2248 lbs, full NASCAR type roll cage, 4 curved door bars left, 3 on the right, aluminum racing seat, fuel cell with contaiment can and1 1.25 in tube frame and rear fire wall,lexan windshield. Car completly gutted, doors skins only, but we couldn't gut hood or trunk. I needed complete bumpers. I don't think I could have got another 100lbs out of it by gutting hood, trunk, and bumpers. My fairly complete roll cage and fuel cell added a little over a 120 lbs. back to the car. If you went with exotic materials for the hood, trunk,doors and fenders you might be able to get real close to 2000 lbs. but it sure would be costly.

 

Drop the KA and place in a CA18 and you'll have your 2k lbs.

 

this is how dsg did it......

notice something missing?... like lol the rear floor of the hatch? thats actually where their radiator is (fans are the puller fans and those vents in the 1/4 windows vent air through it).


i don't care how it looks lol 3lb dashboard ftmfw

 

that dash is nastyyyy

 

Pfft, that dash is sexy.

I'm shooting to weigh in under 2200 lbs via CA18 and a half of the body parts being carbon.

 

That dash is light as a feather though! My dash will most likely be thin sheet metal or aluminum if I go thru with it. It will be hideous to look at but it just needs to be light.

tyrodtom, do you race on dirt or asphalt? Your weight seems decent for the car but mine would be even lighter. I would remove the bumper supports and the doors only need some vertical bars and I would replace the door panels with some thick wall sheet metal, as well as the trunk lid and hood. There isn't even a weight rule for this class, they would let me run it at 1700 lbs if I wanted to. We have to have a fuel cell, stock engine, stock suspension, no welded diffs or LSD, and the car has to be N/A with no mods. Most guys are using neons, celicas and some escorts and they are pretty quick but they dont handle well. I could really make a rwd car work in the turns!

So thats some background on where Im headed here. Looks mean squat to me at this point. I just need to find a JY car or a rolling chassis to build up this summer. I plan to race next summer as I'll be busy helping a relative with his late model car this season. Anyway, thanks for the replies. Now I at least know its possible to get down to 2000 lbs on a big diet! Thanks all.

~Dan

 

why not a miata stripped with a rebuilt motor (stock components though).

 

2 reasons, they dont allow convertibles or 2-seaters. Im actually a mazda tuner so that would have been my first choice but there just arent any fwd cars fodza makes that I would use with 4 bangers. I truly think the 240 would own this track if it was done right and gutted to shreds. I did see one stock 240 coupe run at the track and it handled incredibly good entering and exiting the corners. He drove like he was affriad to get it dented and his motor just didnt have any balls. The body looked like all the stock panels were in place and it was probably a good 650+ lbs heavier than the competition with equal HP. So he had no chance, it was too pretty to race I guess haha. But with a 2000 lbs 240 I think I'd have a good chance of running int he top 3 every night.

 

there used to be a guy that ran the pike back 2 summers ago with a coupe and a silvia front running an sr, with full cage that weighed 2200 pounds. that was a serious machine pushing near 500 hp to the wheels.

 

when you start pushing 4 lbs per whp in a s chassis....... thats when you've spent wayyy too much

 

weigh in for that DSG S13 was 1926 lbs wet with a 56/44 fr weight ratio

heres a better pic than earlier

 

i wonder if it would be street legal to put a license plate right over where that rear diff is?... lol

 

does a jdm stock motor count? i.e. the sr20?.... that'd be pretty cheap but hell its a "stock" "oem" motor right? lol

 

sentra w/ sr's weeeeee

i dunno i think i'd rather have a sr'd g20 than a sentra.

 

^ he's looking for a lighter option though. seeing as the g20 was filled with more bells and whistles I don't think it's a good option.

 

i know... and a 240 stripped will be lighter than a sentra... so same comment goes to your suggestion

 

I claim bull. How would a b13 sentra be lighter than a s13? The sentra starts off lighter from the get-go and still has useless junk to be removed. So far by some quick searches the sentra weighs anywhere from 2400-2500 lbs. So you're telling me that a car that starts off about 200-300 lbs heavier will eventually be lighter? :gaylaugh

If you claim cutting crap and shit like on that one race car, then well the same goes for the sentra. The shit that puts the 240 in a porky situation is the KA being such a heavy ass engine. Post some #s to back up what your saying please.


Nice little article I found:

http://www.theautochannel.com/vehicles/new/reviews/wk9337.html

 

I kid y'all not, that image in the wikipedia article is what made up the majority of my dorm's dumpster 2 days after I got back from England.

Except it was a few beer bottles instead of a Gatorade bottle.

 

You guys are guilty just as I was, you hope for best case scenario. You will NEVER find an SE-R in a salvage yard or being parted out. I cant even find a 240, let alone an se-r. ALSO I cant spend much money because they have a car claim rule. Any competitor can claim someone elses car for like $1000. Most tracks have this rule. If I were to dump $2,000 into the car someone else can claim it just for a profit and part it out. Kinda sucks but its a rule meant to keep the costs down so people wont be so inclined to cheat to get more HP with head work and rebuilt blocks.

There are a few sentras running at this track but they run middle of the pack. They really dont handle well at all and they have skinny tires. W/out strut replacement I heard you can only fit like a 195 series tire on them. Im not saying they cant be made to do better but on stock suspension all around it makes it pretty tough on any sentra. Thats why RWD is such a benefit, it makes up for traction and cornering when the FWD cars must use stock suspension.

 

Find yourself an S12 and strip the shit out of that. Starts off a bit lighter than an S13, and you get to retain RWD.

 

cut off your legs - hand controls

why do you need a sub 2000 lb car anyways?

 

he started it!!!!:dancingco
+ I already did good on my part posting the first pics of the DSG 240 along with other useful information:ramble
although i did leave out that cutting your legs would require the installation of hand controls just to clear things up:thumbsup

 

:rotflmao:rotflmaoCut off your legs, ears, and if you find an auto tranny lighter than your manual, and if your a good enough driver, one of your arms:rotflmao:rotflmao

 

Dude, this is the tech section... none of that bullcrap here. :nono

lol check me out with the non-post whore attitude.

I raced a S12 3 years before I built the 240. The S12 is good but not enough lighter to make up for 32 less hp. On asphault the fwds main disadvantage is the right front tire is doing too much, steering and transmiting the power to the ground, the right front becomes overheated, loses grip. I checked my tires with a tire pyrometer after a pratice or race and sometimes my rf tire is only 10-15 deg hotter than the other tires, most fwds are lucky if they can keep it down to 50 degrees difference.

Yeah, he mentioned how he'd feel the rwd platform would/could prove to be a contender. I just put the B13 out there because of it's proven track record. I've been told on many occasions that the SE-R Cup Series get dominated by the little b13 buggers. The B13 SE-R can pull a high 15 1/4 mile and 0-60 mph in the high 7 range. Very competitive with the 240SX especially for having about 30 lbs/ft less torque too.

 

I raced a S12 3 years before I built the 240. The S12 is good but not enough lighter to make up for 32 less hp. On asphault the fwds main disadvantage is the right front tire is doing too much, steering and transmiting the power to the ground, the right front becomes overheated, loses grip. I checked my tires with a tire pyrometer after a pratice or race and sometimes my rf tire is only 10-15 deg hotter than the other tires, most fwds are lucky if they can keep it down to 50 degrees difference.

 

I'm trying to think of a good fwd to build myself. Most of the tracks in my area are now FWDs only and won't even allow me to race. Most of them started out open to both, most of them give all kinds of excuses why they changed, but I think it's easy to figure out the real reason. I've been racing in this class since 1999, i've come in 2nd twice in someone else FWD, but my cars with me and sometimes someone else driving has won 27 races, that was 9 in a S12, and 18 in a S13. This was in a class that when you won one week the next week you start at the rear, at one track they made me add weight to 22lbs per HP, 3080 lbs, I was the heaviest car by almost 200 lbs but I still dominated. This was at Lonesome Pine Raceway, in Coeburn, Va in 2003-04.That track is now closed, and now I have to beg tracks to let me come race.

 

First off, you girls talk way too much trash! lol Im not going to use an SE-R because I'd have to pay WAY too much to get a car. Remebmer this is on a very low budget. Its hard to find these cars laying around in the right condition.

And I dont have to have a sub 2000 lb car. But the competition is fast because they are extremely light with just as much power. Shockingly the most wins come from the old generation Escort GT's with the 1.9L (CLEARLY CHEATERS!). The neons are especially fast because I know most of them are down to 1780 lbs with the drivers using the DOHC engine with 150hp/150trq. Thats tough to beat down the straights even if you do match his power! So Tom, look into the dohc neon for fwd. Loaded they come around 2450 lbs and have a some gearing options as well.

I think if I get a 240 2.4 dohc down to 2200 lbs I would be very competitive based on handling and more options with tire sizes. Most fwd cars cant do much with gearing because they can only fit a 195mm tire on the fronts w/out rubbing struts. Where as I could run some nice 7-7.5" wide tires on the back. Common sense tells you RWD would dominate FWD on a banked dirt track. You dont see any super late model FWD cars heh.

 

those old escorts win becuase they weigh nothing and they are uber reliable. and 1780 WITH DRIVER>..where did you get these facts from? and anyways miata is wayyy better for this, go with that.