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Old 12-14-2013, 12:20 AM   #15
humfrz
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Well, 1086, like they say back on the farm, it's your tractor.

(I just made that up ....)

I will admit that you have identified some interesting ways to reduce the weight of the car.

However, I agree with @campy and your "car's diet" doesn't seem to go along with your driving objective:

" I am a casual daily driver and on the weekend I enjoy spirited driving in the mountains/back roads/hills, etc. like I am sure many of you.".

Personally, I don't notice much difference in driving around the back roads, byways and in the mountains, whether mrs humfrz is along or not ...... and she weighs in at a bit more that 138lbs.....

I would think that proper tires and honed driving skills would net you more "comfortable" driving fun, than stripping the car.

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Old 12-14-2013, 12:24 AM   #16
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Might as well lose the stock wheels while you're at it.

Get something like RPF1s, which are 5-6 lbs lighter than stock...in turn translate to an ever further weight loss because rotational mass is exponential.
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Old 12-14-2013, 12:40 AM   #17
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Quote:
Originally Posted by R.S-HawK View Post
Might as well lose the stock wheels while you're at it.

Get something like RPF1s, which are 5-6 lbs lighter than stock...in turn translate to an ever further weight loss because rotational mass is exponential.
If we're going to discuss rotational mass then also look into a carbon driveshaft and a brake kit.
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Old 12-14-2013, 03:37 PM   #18
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@campy hypothetically, with the shredded weight, it would be like driving with 75.6% less of my own body weight sitting in the car. I imagine that reduced weight, met with adequate wHP increase, has to feel noticeable (even on backroads?) - then again I wouldn't know yet lol
I'd suggest you start with the tune first and see how you like the feel of the car, then you can move on to weight reduction.

I used to daily an older Porsche with a roll cage, coilovers, aftermarket exhaust, racing seats, and some of the insulation/carpeting taken out to reduce weight (and make space for the cage). It's cool at first, but it definitely makes the car more tiring to drive. With the FRS, I can go on a 300 mile trip and feel good at the end of it. In that Porsche, after 15 minutes I would have a headache and backache.

Also, girls hated how loud and uncomfortable it was


Of course, this is just my $0.02. You may like it, but in my personal experience, I'd prefer all the comforts that come with a less-modded car for a DD. That said, don't let strangers on the internet make your decisions for you! haha
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Old 12-14-2013, 03:44 PM   #19
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I bought a road bike for a grand, going to loose 40-50 pounds off the car with it. Pretty good value
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Old 12-14-2013, 04:46 PM   #20
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Agree with everyone above.

Find some lighter wheels.

Keep your sound deadening and upholstery.

Do an intake, exhaust and a tune if you still feel that it's lacking.
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Old 12-14-2013, 05:48 PM   #21
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Quote:
Originally Posted by campy View Post

Also, girls hated how loud and uncomfortable it was

don't lie you never have girls in your car
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Old 12-14-2013, 06:59 PM   #22
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Quote:
Originally Posted by dabocx View Post
I bought a road bike for a grand, going to loose 40-50 pounds off the car with it. Pretty good value
Bought a mt bike for 4, gained 30lb plus another 30+ for the rack to carry it in car! And gain weight from the increase in calorie intake, aw hell, no matter, I enjoy it!

Here's another weight reducer, delete stereo, speakers, and wiring. Free. Dump water from the windshield squirter. Run with only two gals of gas in tank. With your estimates, this will now get you easily below 2600. Heck the gas alone will drop more than 50 lbs, more than any single item listed!
Just don't blame us when you're out in the boonies, stuck in a ditch, windshield covered in mud, tire blown, cold because engine doesn't run from no gas, and listening to the wind whistling through the trees.

Last edited by root; 12-14-2013 at 07:14 PM.
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Old 12-14-2013, 08:17 PM   #23
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@Bach415 - So in order for weight reduction to work you must first lower the car, but using coilovers or springs? And only a light weight wheel works? Why not the OEM set? Although I know each are 41s lbs. I guess shaving 10-15lbs off each wheel/tire adds up nicely :o

Also, is it a decent option to go with Koni's and some eibach sportlines or teins? or is that weaaaaaaak
You don't need to lower the car. Lowering the car only affects the handling of the car, not the weight reduction. Replacing coilovers maybe a lighter yet stronger solution in terms of reduction weight as well as maintaining and modifying handling. You can still use oem wheels and tires but those are the easiest way to remove unsprung weight assuming you have a good wheel tire combo(aka light rims not on super meaty tires)

For those two options, I have no opinion on them. You may be better off asking someone who is good with suspension as I have no experience running them on the car.

Think about it this way, in order for weight reduction to actually work, you have to have a good balance between unsprung and sprung weight. Too much or too little of one or another may have an effect on your control of the car as well as how planted the car will be towards the ground..
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Old 12-14-2013, 09:12 PM   #24
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don't lie you never have girls in your car
Hey man we went on 2 dates so I'm gonna count that as dating.

Who needs girls when you have cars anyways.
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Old 12-15-2013, 01:41 AM   #25
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You should see @Anthony 's if you want to see a car on a diet
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Old 12-15-2013, 06:56 AM   #26
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I search for weight reduction as you. But you must be carefull to have the same balance ratio. Look at seibon carbon for doors , hood and trunk ! It will cost but it could be effective!

Last edited by asnoir; 12-15-2013 at 11:56 AM.
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Old 12-15-2013, 06:24 PM   #27
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DO IT. I see most people are against the idea, but I half-gutted (everything behind the front seats) my DD and loved it so much, I started to consider taking the stereo and A/C out too. That would be a terrible idea living on the Gulf Coast, so I just bought an FR-S and gutted that. Then I un-gutted my DD. Here are some points to consider:

- I drove around over a year with my only car gutted and enjoyed it enough to do as I said with the FR-S.

- If you take your time and stay organized, you can put everything back in whenever you want. Those stupid plastic pushpins tend to snap, but you can also buy more. Just take your time and take them out gently. You can even buy tools specifically designed to take them out. I just used screw drivers and out of the 200 or so (it seems) I've taken out, I feel like I only broke ~10. Also, take pictures if you think you might forget where things go.

- If you care about maximizing performance and not much else, dropping weight is the best $:Benefit thing you can do. Most of it is free. You can always keep it comfortable and still boost performance by buying performance parts and not stripping the inside. But you will not be absolutely maximizing performance. For most people, that's ok, but I get bothered by only giving it 90%. 100% or GTFO.

- The car will become way noisier on the inside, which is either a love or hate thing. Personally, I love it. I can hear the road going by under the car. It increases the sensation of speed, and I feel more connected to both the car and road. It's more motorcycle-esque.

Quote:
Originally Posted by torqdork View Post
Cool thread, worthy of other's input.

Mine is that your budget is more robust than mine. I'd have a hard time justifying $450 for a Super B battery when I can save 20 lbs. vs. OEM for $150 with a Braille (Amazon).
I went with a Shorai LFX21L6-BS12 off of Amazon for like $176. 3 pounds, 1 ounce. 5 year warranty.

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You should see @Anthony 's if you want to see a car on a diet


It's true. Still have quite a way to go too!
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Old 12-16-2013, 11:27 AM   #28
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[SIZE="3"]...I went with a Shorai LFX21L6-BS12 off of Amazon for like $176. 3 pounds, 1 ounce. 5 year warranty...
Now that's impressive. What battery tender/minder do you use? Any issues in use like heat from the car's high current charging system?
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