carbon fiber hood vs carbon fiber trunk which saves more weight? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

stlgrym3 · 04-12-2018, 07:05 PM

which saves more weight compare to their stock counterparts? please chime in.

StraightOuttaCanadaEh · 04-12-2018, 08:08 PM

Don't know about trunk but IIRC a carbon hood is heavier than stock.

norcalpb · 04-12-2018, 08:35 PM

Quote:

Originally Posted by StraightOuttaCanadaEh

Don't know about trunk but IIRC a carbon hood is heavier than stock.

MPH fabrications is lighter than stock, but you are right the Seibon ones are super heavy.

Tk rocket · 04-12-2018, 10:21 PM

Quote:

Originally Posted by norcalpb

MPH fabrications is lighter than stock, but you are right the Seibon ones are super heavy.

Save-on shit is garbage. I would never let their replica bullshit touch my car

stlgrym3 · 04-12-2018, 10:27 PM

wow, glad i posted this, almost pulled the trigger on the Seibon CF hood lol

olsonpg · 04-12-2018, 10:38 PM

People that spend money on carbon hoods for "weight savings" need better imaginations.

Spuds · 04-12-2018, 10:49 PM

Just remove the hood? Maximizes weight savings.

Leonardo · 04-13-2018, 01:48 AM

There are many ways to cut weight. But, Replacing the aluminum hood is not the mod you are looking for.

Get a lightweight battery. It's the best savings of weight to dollars.

why? · 04-13-2018, 06:24 AM

Quote:

Originally Posted by Leonardo

There are many ways to cut weight. But, Replacing the aluminum hood is not the mod you are looking for.

Get a lightweight battery. It's the best savings of weight to dollars.

just make sure you get a trickle charger and have a place to plug it in if you do not drive your car every day.

Getting a real carbon hood is probably one of the last weight savings mods you should do, both because of the price and the fact that it won't save that much weight.

Taking out everything behind the front seats saves a ton more weight. start here for real weight savings ideas.

nikitopo · 04-13-2018, 06:57 AM

None of them saves too much. The hood is already aluminum and about the trunk it is good to have some more weight on the rear cause of better weight distribution. It doesn't really worth it, unless your car has already stripped interior, a rear wing for down force and you want to save the last possible grams. The only thing that might worth it is to go for carbon fiber doors, but I suppose you won't have the same protection in side collisions. Such changes should be really done on a dedicated racing car that will go with a trailer from-to the track.

churchx · 04-13-2018, 08:38 AM

Given that stock aluminium hood is rather light, sometimes lighter then some of aftermarket options, and you already have it ..
The weight winner is ... stock hood & money spent on other then hood lighter parts

Grady · 04-13-2018, 09:27 AM

Does not apply to all cars but the best weight savings is the steering wheel actuator weight reduction. Dependent on the car it can be 1 to 100lbs+ in weight savings. For some reason this applies more to US vehicles?

NeedsBoostt · 04-13-2018, 12:14 PM

The trunk iirc saves a decent amount of weight. @MisterSheep got actual weight measurements... Perhaps he could provide some insight

Tcoat · 04-13-2018, 12:35 PM

Quote:

Originally Posted by Grady

Does not apply to all cars but the best weight savings is the steering wheel actuator weight reduction. Dependent on the car it can be 1 to 100lbs+ in weight savings. For some reason this applies more to US vehicles?

Please identify what cars have a 100 pound steering wheel actuator? I am truly curious.
I highly doubt that many even reach half a pound.

Edit: Never mind. The guys clued me in on my foolish misread!

04-12-2018, 07:05 PM	#1
stlgrym3 Senior Member Join Date: Nov 2011 Drives: 2017 Subaru BRZ Limited Location: socal Posts: 562 Thanks: 72 Thanked 51 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	carbon fiber hood vs carbon fiber trunk which saves more weight? which saves more weight compare to their stock counterparts? please chime in. Last edited by stlgrym3; 04-12-2018 at 07:15 PM.

04-12-2018, 08:08 PM	#2
StraightOuttaCanadaEh Wes Join Date: Feb 2017 Drives: Artisan Spirits '17 86 Location: Toronto Posts: 2,734 Thanks: 1,123 Thanked 1,643 Times in 971 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	Don't know about trunk but IIRC a carbon hood is heavier than stock. __________________ Instagram: @gt86ws

04-12-2018, 10:38 PM	#6
olsonpg Senior Member Join Date: Jun 2015 Drives: BRZ. R34 GT-T Location: Calgary Posts: 762 Thanks: 737 Thanked 613 Times in 302 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	People that spend money on carbon hoods for "weight savings" need better imaginations. __________________ / SARD / ENKEI / GREDDY / RACESENG / CUSCO / PERRIN / KW / POWERED BY MAX / SPARCO / STOPTECH / BREMBO / ROCKET BUNNY / FULL-RACE twin scroll / OS GIKEN / WHITELINE

04-13-2018, 01:48 AM	#8
Leonardo Country Boy 4 Life Join Date: Jul 2012 Drives: 19' & 06' Ridgelines, 13' FR-S Location: EUGENE Posts: 5,228 Thanks: 6,719 Thanked 5,289 Times in 2,720 Posts Mentioned: 47 Post(s) Tagged: 1 Thread(s)	There are many ways to cut weight. But, Replacing the aluminum hood is not the mod you are looking for. Get a lightweight battery. It's the best savings of weight to dollars. __________________ I LIKE TIRES!

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04-12-2018, 10:27 PM	#5
stlgrym3 Senior Member Join Date: Nov 2011 Drives: 2017 Subaru BRZ Limited Location: socal Posts: 562 Thanks: 72 Thanked 51 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	wow, glad i posted this, almost pulled the trigger on the Seibon CF hood lol

04-12-2018, 10:49 PM	#7
Spuds The Dictater Join Date: Apr 2017 Drives: '13 Red Scion FRS Location: MD, USA Posts: 8,607 Thanks: 24,163 Thanked 11,272 Times in 5,568 Posts Mentioned: 76 Post(s) Tagged: 0 Thread(s)	Just remove the hood? Maximizes weight savings.

04-13-2018, 06:57 AM	#10
nikitopo Senior Member Join Date: Mar 2014 Drives: '15 BRZ RA Location: Greece Posts: 3,774 Thanks: 2,391 Thanked 1,925 Times in 1,254 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	None of them saves too much. The hood is already aluminum and about the trunk it is good to have some more weight on the rear cause of better weight distribution. It doesn't really worth it, unless your car has already stripped interior, a rear wing for down force and you want to save the last possible grams. The only thing that might worth it is to go for carbon fiber doors, but I suppose you won't have the same protection in side collisions. Such changes should be really done on a dedicated racing car that will go with a trailer from-to the track.

04-13-2018, 08:38 AM	#11
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,313 Thanks: 688 Thanked 2,065 Times in 1,420 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	Given that stock aluminium hood is rather light, sometimes lighter then some of aftermarket options, and you already have it .. The weight winner is ... stock hood & money spent on other then hood lighter parts

04-13-2018, 12:14 PM	#13
NeedsBoostt Senior Member Join Date: Oct 2017 Drives: '19 WRX STi; Ex. '17 BRZ owner Location: East Bay Area Posts: 136 Thanks: 4 Thanked 45 Times in 31 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	The trunk iirc saves a decent amount of weight. @MisterSheep got actual weight measurements... Perhaps he could provide some insight

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