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Old Nov 26, 2012 | 12:58 PM
  #81  
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Originally Posted by John T
Wow, I thought the Z was 100 Lbs heavier... If this is the case and we factor in keeks predictions...

We will see an under 3,000 Lbs car in Jan.
The reason "curb weight" is the used by all car companies is so there is a standard measurement.

"Curb weight" includes all fluids, full.

For the C6, the curb weight listed by GM is for the base model without any options unless listed otherwise.

The best way to see what you car weighs is to look at the driver's door and see what the GVWR is. On the driver's door jam, the max load weight is listed.

Subtract the max load from the GVWR and you have the curb weight of your particular car.

My 09 Z06 with 2LZ, NAV and chromes has a GVWR of 3651 lbs and a max load of 423 lbs listed.

That means my car weighs 3228 lbs. GM lists the Curb weight for a base, no optioned 2009 Z06 as 3175 lbs.

GM knows what the weight of each and every component is that goes into our cars, so they can accurately give the weight without having to measure each individual car as it is built.

Most scales have a tolerance and even a +/1 1% tolerance can mean the weight measured on a 3228 lb car could range from 3260 lbs down to 3196 lbs.

Just measuring your car with a 1/2 tank of gas vs being full, would be a 56-57 lb error, vs the weight GM says your car weighs.
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Old Nov 26, 2012 | 01:52 PM
  #82  
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Originally Posted by JoesC5
The reason "curb weight" is the used by all car companies is so there is a standard measurement.

"Curb weight" includes all fluids, full.

For the C6, the curb weight listed by GM is for the base model without any options unless listed otherwise.

The best way to see what you car weighs is to look at the driver's door and see what the GVWR is. On the driver's door jam, the max load weight is listed.

Subtract the max load from the GVWR and you have the curb weight of your particular car.

My 09 Z06 with 2LZ, NAV and chromes has a GVWR of 3651 lbs and a max load of 423 lbs listed.

That means my car weighs 3228 lbs. GM lists the Curb weight for a base, no optioned 2009 Z06 as 3175 lbs.

GM knows what the weight of each and every component is that goes into our cars, so they can accurately give the weight without having to measure each individual car as it is built.

Most scales have a tolerance and even a +/1 1% tolerance can mean the weight measured on a 3228 lb car could range from 3260 lbs down to 3196 lbs.

Just measuring your car with a 1/2 tank of gas vs being full, would be a 56-57 lb error, vs the weight GM says your car weighs.
I remember my Z06 being very sensitive to weight unlike a true high torque big block from yesteryear. My car felt "seat of the pants" quicker when I was running solo.

Have you noticed this Joe?
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Old Nov 26, 2012 | 02:27 PM
  #83  
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Originally Posted by John T
I remember my Z06 being very sensitive to weight unlike a true high torque big block from yesteryear. My car felt "seat of the pants" quicker when I was running solo.

Have you noticed this Joe?
My buttometer isn't that sensitive, to feel 120 lbs or so. The main thing I notice is when I'm spinning the tires to redline in 1st and 2nd gear vs getting full traction.

I mainly notice the acceleration drop in the summer when the ambient temps is in the mid 80's into the 90's.

120 pounds is equal to about 12 horsepower while accelerating, so I don't feel that, but I do feel it when the ECM drops 20 degrees of timing because of high IAT. That's a drop in horsepower I do feel.
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Old Nov 28, 2012 | 12:01 PM
  #84  
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Originally Posted by JoesC5
The reason "curb weight" is the used by all car companies is so there is a standard measurement.

"Curb weight" includes all fluids, full.

For the C6, the curb weight listed by GM is for the base model without any options unless listed otherwise.

The best way to see what you car weighs is to look at the driver's door and see what the GVWR is. On the driver's door jam, the max load weight is listed.

Subtract the max load from the GVWR and you have the curb weight of your particular car.

My 09 Z06 with 2LZ, NAV and chromes has a GVWR of 3651 lbs and a max load of 423 lbs listed.

That means my car weighs 3228 lbs. GM lists the Curb weight for a base, no optioned 2009 Z06 as 3175 lbs.

GM knows what the weight of each and every component is that goes into our cars, so they can accurately give the weight without having to measure each individual car as it is built.

Most scales have a tolerance and even a +/1 1% tolerance can mean the weight measured on a 3228 lb car could range from 3260 lbs down to 3196 lbs.

Just measuring your car with a 1/2 tank of gas vs being full, would be a 56-57 lb error, vs the weight GM says your car weighs.
I checked weight that way too when I bought my 2012 1LT Vette with manual trans, comp grey wheels, and J55 only. And after subtracting the 423lbs max load from a GVWR of 3687, the total was 3264lbs.

Which means about 3150lbs empty tank. A number that also matches up very closely to the 3159lbs listed as shipping weight in the paperwork.
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Old Nov 28, 2012 | 12:20 PM
  #85  
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My guess is the C7 will end up weighing only slightly less. Because with GM already having said the C7 will cost roughly $5,000 more than the 2013, that means aluminum frame must be standard now across the board.

However much of that weight savings potential could be lost from more fuel economy & safety additives. Maybe all of it, if too much other gadgetry is made standard perhaps.

I mean who really buys a "performance" car for map screens & interior power everything? But because soNso has them, GM does also.

Oh well, guess I shouldn't care as long as it's optional.

Last edited by 85scott; Nov 28, 2012 at 12:22 PM.
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