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Old 12-25-2002, 12:38 AM   #1
STiSuBiEwRx
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Default Weight Reduction

Well i didn't know what topic to put this in so i just put it in here. Have any of you guys put your Subie on a diet? I want to do a weight reduction on my 00 2.5RS and looking forward in taking out about 200 pounds. What can i do to achieve my goal? I don't want to do anything to the interior or the A/C. I know the A/C weighs alot but i want to keep it. So what can i take out that is not needed to reach my 200 pound goal?
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Old 12-25-2002, 12:42 AM   #2
Danny5
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Take off 35 lbs by going to a carbon or aluminum hood.

Take off 35 lbs by going to the light weight front bumper beam.

Take off 30 lbs by going to the light weight rear bumper beam.

Take off 5lbs by removing the insanely huge piece of steel in your glove compartment.

Now lose 90lbs

To get even more weight out, you will have to look at removing tar from the interior, or maybe getting an aluminum deck lid...

-Danny
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Old 12-25-2002, 12:52 AM   #3
QAboy
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there's some poundage to be lost in the trunk.
and yeah, the tar is one of my next big projects. DannyRS, do you have any tips?

--eric
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Old 12-25-2002, 01:05 AM   #4
Lord
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eat subway, you can get rip 100lbs like eveyone else :P mouahahhaha

joke
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Old 12-25-2002, 01:12 AM   #5
STiSuBiEwRx
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Quote:
Originally posted by DannyRS
Take off 35 lbs by going to a carbon or aluminum hood.

Take off 35 lbs by going to the light weight front bumper beam.

Take off 30 lbs by going to the light weight rear bumper beam.

Take off 5lbs by removing the insanely huge piece of steel in your glove compartment.

Now lose 90lbs

To get even more weight out, you will have to look at removing tar from the interior, or maybe getting an aluminum deck lid...

-Danny
There thats what i was missing. Where can you get lightweight front and rear beams? How much does the a/c weigh exactly?
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Old 12-25-2002, 11:40 AM   #6
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Default

I haven't taken my AC out of my WRX, but the AC in my Miata weighs ~35 lb if that's any help.

Make sure you use lightweight (probably Subaru OEM unless you have tons of cash to burn) wheels as well as some lightweight tires.

Lift up all carpet aand remove the all sound deadining padding, then reinstall carpet so as not to look.....you know...

Some Miata people are obsessed with "adding lightness." There are some 1800 lb Miatas around.

Later,
Jeremy
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Old 12-25-2002, 12:02 PM   #7
interiot
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Quote:
Some Miata people are obsessed with "adding lightness." There are some 1800 lb Miatas around.
Sweet. Good to know. That tames my lust for the Lotus Elise just a little. Which is good since the safety laws in the US make it impossible to import one at a resonable price at the moment, but freely let monstrous dangerous SUV's with high bumpers onto the street.
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Old 12-25-2002, 03:29 PM   #8
DoinkMobb
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Quote:
Originally posted by QAboy
there's some poundage to be lost in the trunk.
and yeah, the tar is one of my next big projects. DannyRS, do you have any tips?

--eric
Ah...the old sound deadening tar. That was a fun little project.

The easy part was taking out the carpet and seats and little plastic caps to hold everything in place. The hard part was squatting on the floor of my car and chiseling and scraping for horus and hours.
I had a flat head screwdriver, a paint scraper and a mallet as my tools. Some sections chipped off in a million little pieces while other sections sorta peeled off. All in all, I estimated that I took out about 20 lbs of tar.

Was it worth it? Eh, not really. But keep taking weight off and it'll add up after a while I guess.

Other ways I've "added lightness":
- removed spare and jack
- ripped out trunk liner
- removed metal plate from glove box door (not the bar behind the glove box, the metal plate actually inside the door, remove at your passengers risk)
- took out intake silencer
- removed plastic seat rail covers
- took out my rear speakers (they were getting old and sounding muffled anyway)
- ripped out heavy rubber pad between rear seat and the trunk
- took off rear plastic strut top covers

Don't bother removing the rear seat cushions (fabric covered foam) or any interior panels (thick cardboard). With all the stuff I've removed, my car is around 50 lbs. lighter.

My plan for lightweight parts:
- lightweight battery
- aluminum hood
- lighter racing seats
- lightweight bumper beams
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Old 12-25-2002, 03:29 PM   #9
whiterabbit
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titanium exhausts
lighter seats
remove cruise and ac
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Old 12-26-2002, 02:41 AM   #10
tdxflex
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others to add that haven't been mentioned:

lighter brakes like perrin/wilwood dynalite calipers
lighter flywheel
not sure what your exhaust is made out of, but if the manifold is cast iron, you can get a stainless steel one
if you have a 3rd seatbelt in the middle, you can take out the assembly for it unless you want to keep it

on a side note, i'm pretty surprised no one's flamed this post. usually no one takes weight reduction posts seriously
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Old 12-26-2002, 02:07 PM   #11
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I thought about putting my RS on a diet for a while. Found a website (the address escapes at the moment) that listed the weights of many "removable" parts of the car. It included tar, interior lining, spare tire, seats, AC, blah, blah, blah... Anyway, I added up some of the stuff and saw that I could dump about 150 lbs. But if I did it, it would be a noisy two seater and not very comfy to ride in.
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Old 12-26-2002, 03:28 PM   #12
STiSuBiEwRx
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Quote:
Originally posted by That Guy
I thought about putting my RS on a diet for a while. Found a website (the address escapes at the moment) that listed the weights of many "removable" parts of the car. It included tar, interior lining, spare tire, seats, AC, blah, blah, blah... Anyway, I added up some of the stuff and saw that I could dump about 150 lbs. But if I did it, it would be a noisy two seater and not very comfy to ride in.
What site was that?
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Old 12-26-2002, 04:02 PM   #13
interiot
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This is a list of weights of various things on a WRX... not sure if that helps ya.
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Old 12-26-2002, 04:33 PM   #14
dust12
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How loud is your car after you remove all the sound deadening materials/tar from the car?

For 20 lbs of weight it doesn't seem worth it, but I guess I'm not a professional racer either.
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Old 12-26-2002, 07:00 PM   #15
yebokmj
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Default Light weight bumpers

I had the light wieght bumpers beams on my RS. The beam was damaged and replaced twice with this mod. Once time in a parrallel parking situation I came back to find it was damaged from someone getting in or out of the spot. Another time I bumped and SUV at maybe 4 mph and alot of damage was caused to my car since my bumper had no strenght. The AC condensor was damaged, the front end frame around the radiator, a head light was cracked and the hood was buckled. I truely believe that a normal beam would have prevented all or most of the damage. Just something to be aware of.
Joshua
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Old 12-27-2002, 10:24 AM   #16
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Quote:
Originally posted by STiSuBiEwRx
What site was that?
The Oakos site posted by interiot is the one I used. Looking at some real numbers, Subaru did a good job of keeping the weight down already. I'll pay the 150 lb. penalty in weight for a little creature comfort. Its not a race car.
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Old 12-27-2002, 01:01 PM   #17
bemani
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Anyone have weights of the stock, whiteline, cusco, etc sway bars?
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Old 12-27-2002, 03:51 PM   #18
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I put a light weight rear bumper beam on my 00rs and it handles sooo much differently.

J
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Old 12-27-2002, 06:19 PM   #19
geronimo66
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I should be picking up my 2000 L soon, and will be taking it to a local scale...

Has anyone weighed their cars yet? I thought the L was around 2700-2800
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Old 12-29-2002, 12:37 AM   #20
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I have heard from several experienced racers that if you want to take the sound deadening tar out, the easiest way is to get some liquid nitrogen and pour it on the tar. Then the tar will just break right off.

Of course, you should be EXTREMELY careful when attempting this.
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Old 12-29-2002, 01:43 AM   #21
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Default tar removal

I am currently removing all the tar from my project 240sx, and the best way i found to remove the stuff is a heat gun, high powered hair dryer. Just warm the tar up and peel the stuff up with a small one 1/2" sheat rock knife. This does wonders and its a bit faster. Then after its all done sand it down with some nice sand paper and paint or cover it up with your carpet.

BlitZ
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Old 12-31-2002, 11:53 AM   #22
bemani
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The stock WRX cd player weights over 6 lbs
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Old 01-02-2003, 03:03 AM   #23
aspera
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Where is the old weight reduction thread?

Go out to your WRX right now and remove the lower plastic cover on the steering column and remove the metal plate underneath it. It's just 3 #2 Phillip screws. Be careful not to strip them.
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Old 01-02-2003, 07:33 PM   #24
DoinkMobb
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Quote:
Originally posted by dust12
How loud is your car after you remove all the sound deadening materials/tar from the car?

For 20 lbs of weight it doesn't seem worth it, but I guess I'm not a professional racer either.
My car wasn't any louder after I removed the sound deadening tar. But it was a lot of work, and if I was going to do it ever again, I'd use a heat gun or at least a hair dryer. 20 - 25 lbs isn't very much, but at least it's something. And now I can warn others before trying this.
You can only go so far with ripping crap out of your car before its either, 1) uncomfortable to drive, or 2) unsafe to drive on the street.
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Old 01-03-2003, 02:50 PM   #25
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I would absolutely not remove the metal plates under the steering column or in the glove box. These plates are there to protect your knees and legs in an accident. The plate under the steering column is designed to spread the point of impact on your legs and is designed to absorb the impact of your legs into the dash in an accident. If you remove them your legs and lower body will be driven under the dash and into the firewall or steering column causing greater injury in an accident.

Blair
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