BRZ on weight scale - 2723 pounds - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Ryephile · 03-19-2012, 04:59 PM

Quote:

Originally Posted by serialk11r

What is "the junk in the trunk"? Spare+tools?

Yes. It's all the crap the auto-x'ers would toss prior to making their runs. Spare, tools, carpet, foam blocks, everything that's quickly removable.

Quote:

Originally Posted by Draco-REX

Here's a question:
Why are people speculating on heavier weights?

The only question left is the weight delta between the pre-production cars roaming the USA and the actual USDM production cars that started "for real" production a last week.

ryun84 · 03-19-2012, 05:29 PM

Quote:

Originally Posted by ForReal-Someday

I think they probably set it up this way to make the car more prone to oversteer, which fits with their "fun" intentions.

Don't you mean the reverse? A front-heavy car tends to understeer not oversteer.

zoomzoomers · 03-19-2012, 05:46 PM

So the weight numbers are pretty darn close to what was predicted. That's a good thing.

oneday · 03-19-2012, 05:46 PM

Quote:

Originally Posted by ryun84

Don't you mean the reverse? A front-heavy car tends to understeer not oversteer.

Tell that to the E30 race car I drive....we had to add weight to the trunk to keep the back end on the ground.

That said, nose heavy cars can be very understeer prone depending on the suspension set up.

catharsis · 03-19-2012, 05:50 PM

Nose heavy cars have a tendency to understeer and then snap over steer.

ryun84 · 03-19-2012, 05:51 PM

Quote:

Originally Posted by oneday

Tell that to the E30 race car I drive....we had to add weight to the trunk to keep the back end on the ground.

That said, nose heavy cars can be very understeer prone depending on the suspension set up.

Yeah, I'm speaking in general terms. There are many factors that contribute to oversteer/understeer. If anything, I think the engineers made the weight distribution the way it is in order to have neutral balance with a hint of understeer, as many test drive reviewers have mentioned. I think bringing the distribution to 50/50 would disrupt this balance and cause the car to be oversteer prone (and dangerous), at least with its current suspension setup.

scorcherjf · 03-19-2012, 05:57 PM

With stock camber, struts up front, staggered tires, and 55% of the weight up front I think it'll understeer quite a bit...

Dave-ROR · 03-19-2012, 06:14 PM

Quote:

Originally Posted by Ryephile

So Subaru BRZ Forum dot com post [w/picture for proof] is saying 2723 lbs, which is likely with trunk junk. SCCA forum post is saying 2686 lbs, but then says trunk junk is worth 35 lbs. 2686 + 35 = 2721, only 2 lbs off the other post. Sounds very plausible, and good news that the car is lighter than advertised! The only thought of caution is the pre-prod's touring the USA may not have the full compliment of USA crash structure. Actual production weight may or may not be different. Nevertheless, it's a good first sign.

Not a full tank of gas.. add that back in and it's as advertised.

Dave-ROR · 03-19-2012, 06:15 PM

Quote:

Originally Posted by Ryephile

The only question left is the weight delta between the pre-production cars roaming the USA and the actual USDM production cars that started "for real" production a last week.

And the fact that this car was missing 50lbs of gas

iLuveKetchup · 03-19-2012, 07:14 PM

Where is the weight coming from? The car is as small as an s2k, but weighs about the same as a stock base. You would think the BRZ would weigh significantly less given that it doesn't have to reinforce the chassis as much as a convertible. Is it from all the new safety features that are put into new cars?

Mr.Jay · 03-19-2012, 07:26 PM

Quote:

Originally Posted by iLuveKetchup

Where is the weight coming from? The car is as small as an s2k, but weighs about the same as a stock base. You would think the BRZ would weigh significantly less given that it doesn't have to reinforce the chassis as much as a convertible. Is it from all the new safety features that are put into new cars?

According to some new reports the ft86 was built with a topless version in mind so they did do a lot of strengthening

taosracer · 03-19-2012, 07:41 PM

The important numbers are in the cross corner weights, which look very, very good. Understeer is easy to cure, sometimes with just tire pressure adjustments.

Snoopyalien24 · 03-20-2012, 12:26 AM

What about when the car slides? Wouldn't the weight shift on its own while sideways? The inertia has to travel somewhere

fatoni · 03-20-2012, 12:46 AM

Quote:

Originally Posted by Snoopyalien24

What about when the car slides? Wouldn't the weight shift on its own while sideways? The inertia has to travel somewhere

What are you talking about?

03-19-2012, 05:46 PM	#17
zoomzoomers Senior Member Join Date: Nov 2011 Drives: 2013 Subaru SWP BRZ Limited 6AT Location: Darkside Posts: 1,862 Thanks: 526 Thanked 305 Times in 207 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	So the weight numbers are pretty darn close to what was predicted. That's a good thing. __________________ Man Law#17:A man in the company of a hot, seductively dressed, woman MUST remain sober enough to fight! MODS: AVO tubes + filter, Cusco (F) strut brace w/ MC brace, Perrin CBE, Subaru OEM trunk tray, Grimmspeed front license re-locator & hood struts and Beatsonic rear cam.

03-20-2012, 12:26 AM	#27
Snoopyalien24 Mr. Sarcasm Join Date: Sep 2011 Drives: 2016 VW Jetta TSI Sport 5-Speed Location: South Florida Posts: 3,729 Thanks: 1,275 Thanked 753 Times in 491 Posts Mentioned: 34 Post(s) Tagged: 4 Thread(s)	What about when the car slides? Wouldn't the weight shift on its own while sideways? The inertia has to travel somewhere __________________ Get your very own FT86CLUB T-shirts/keychains/goodies! CLICK HERE ]

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03-19-2012, 05:50 PM	#19
catharsis Senior Member Join Date: Dec 2011 Drives: honda civic si 08 Location: Raleigh, NC Posts: 176 Thanks: 1 Thanked 28 Times in 18 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Nose heavy cars have a tendency to understeer and then snap over steer.

03-19-2012, 05:57 PM	#21
scorcherjf Member Join Date: Feb 2012 Drives: RX8 Location: Earth Posts: 42 Thanks: 1 Thanked 8 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	With stock camber, struts up front, staggered tires, and 55% of the weight up front I think it'll understeer quite a bit...

03-19-2012, 07:14 PM	#24
iLuveKetchup My VTEC fluid is full Join Date: Jan 2012 Drives: EFF JAY Location: NYC Posts: 935 Thanks: 149 Thanked 268 Times in 183 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Where is the weight coming from? The car is as small as an s2k, but weighs about the same as a stock base. You would think the BRZ would weigh significantly less given that it doesn't have to reinforce the chassis as much as a convertible. Is it from all the new safety features that are put into new cars?

03-19-2012, 07:41 PM	#26
taosracer Frickin' Genius Join Date: Mar 2012 Drives: GBS BRZ 6sp, 2002 ts wagon WRX swap Location: Taos, N.M. Posts: 138 Thanks: 21 Thanked 63 Times in 31 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	The important numbers are in the cross corner weights, which look very, very good. Understeer is easy to cure, sometimes with just tire pressure adjustments.

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