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Old Feb 14, 2007 | 10:28 PM
  #21  
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My two cents. I believe the weight limit has to do with changing the suspension geometry. I took a cross country trip about 10 years ago in a 90 vert I had. It was near the point of needing new tires. On the way back home I noticed something on a rear tire. It turned out to be the belt showing thru a worn tire, but only on the inside, The extra weight had squatted the suspesion and caused the tires to sit up on the inside edge. Had to find new tires before going too much further.
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Old Feb 14, 2007 | 10:31 PM
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Originally Posted by shopdog
I'd say the limiting factor is the cargo floor. With Z51 springs, the suspension can support 1630 extra pounds without bottoming. But the cargo area floor is not strong enough to handle that much extra weight. Hit a few good bumps, and that thin plastic floor would crack.

If you saw Jay Leno's Toronado, that big Olds has C6 running gear under it, so the frame and suspension are plenty strong to handle extra weight. The limiting factor is the body.
This sounds reasonable. I crawled my 200# self into my coupe trunk area to install some accessories. After the cracking/creaking noises, I will never attempt that again. Didn't feel like I'd put a knee through the floor, but the sounds were less than confidence inspiring.
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Old Feb 14, 2007 | 10:41 PM
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Originally Posted by opus1111
This sounds reasonable. I crawled my 200# self into my coupe trunk area to install some accessories. After the cracking/creaking noises, I will never attempt that again. Didn't feel like I'd put a knee through the floor, but the sounds were less than confidence inspiring.
What is the floor made of ... or supported by ???
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Old Feb 14, 2007 | 10:59 PM
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Originally Posted by AP
What is the floor made of ... or supported by ???
The passenger cabin floor is made from resin laminated balsa wood. It is light, rigid, and quite strong. It is anchored on the perimeter by the frame rails, and down the center by the drive tunnel. However, the cargo area floor is just sheet molding compound, shaped into a "tub". This is the same stuff from which the fenders are made, and about as strong. The tub is supported by the frame rails on each side, but hasn't any support in the center.
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Old Feb 14, 2007 | 11:11 PM
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Originally Posted by shopdog
The passenger cabin floor is made from resin laminated balsa wood. It is light, rigid, and quite strong. It is anchored on the perimeter by the frame rails, and down the center by the drive tunnel. However, the cargo area floor is just sheet molding compound, shaped into a "tub". This is the same stuff from which the fenders are made, and about as strong. The tub is supported by the frame rails on each side, but hasn't any support in the center.
I thought only the Z06 got the balsa wood treatment?
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Old Feb 15, 2007 | 08:08 AM
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Originally Posted by shopdog
The passenger cabin floor is made from resin laminated balsa wood. It is light, rigid, and quite strong. It is anchored on the perimeter by the frame rails, and down the center by the drive tunnel. However, the cargo area floor is just sheet molding compound, shaped into a "tub". This is the same stuff from which the fenders are made, and about as strong. The tub is supported by the frame rails on each side, but hasn't any support in the center.
Balsa wood huh? Do you know if the C5 was the same way?
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Old Feb 15, 2007 | 09:46 AM
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Originally Posted by shopdog
The passenger cabin floor is made from resin laminated balsa wood. It is light, rigid, and quite strong. It is anchored on the perimeter by the frame rails, and down the center by the drive tunnel. However, the cargo area floor is just sheet molding compound, shaped into a "tub". This is the same stuff from which the fenders are made, and about as strong. The tub is supported by the frame rails on each side, but hasn't any support in the center.
Thanks ... seems that GM could have used the Balsa stuff in the cargo area to make it stronger ... but obviously it is probably heavier ...
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Old Feb 15, 2007 | 09:55 AM
  #28  
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Originally Posted by fright88
Balsa wood huh? Do you know if the C5 was the same way?
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Old Feb 15, 2007 | 10:37 AM
  #29  
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You know that is odd. When I put longtubes in my C5 I found a piece of wood wedged in one of the floorboard supports. I wonder if someone hit it or if it was an extra piece someone put in there.
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Old Feb 15, 2007 | 11:16 AM
  #30  
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Originally Posted by fright88
My 2 best friends are around 6ft 6 inches tall both weigh close to 300 lbs. I weigh about the same. I don't think being able to have me and one of my friends in the car is unrealistic. According to GM tho it is.
Sorry, my fault. I interpreted load capacity as stuff not people. I guess I stand corrected. I don't think you should really worrt too much, though.
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Old Feb 15, 2007 | 01:01 PM
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I go about 200 and my kid brother admits to 270. When he was riding in the passenger seat it seemed like there was a lot more scraping going on than normal.
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Old Feb 15, 2007 | 03:52 PM
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Originally Posted by JVM225
I go about 200 and my kid brother admits to 270. When he was riding in the passenger seat it seemed like there was a lot more scraping going on than normal.
Really? that would suck ..
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Old Feb 15, 2007 | 04:32 PM
  #33  
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Originally Posted by JVM225
I go about 200 and my kid brother admits to 270. When he was riding in the passenger seat it seemed like there was a lot more scraping going on than normal.
You better be nice to that KID!
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Old Feb 15, 2007 | 04:54 PM
  #34  
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The low weight limit may have to do with suspension rates and "performance driving." Cornering et al.

I pulled a G with a 300 pounder in the passenger seat...once.
(I go 210)

Last edited by NORTY; Feb 15, 2007 at 04:54 PM. Reason: wadyameanicantspellthe?
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Old Feb 16, 2007 | 10:49 AM
  #35  
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My Dakota is rated for 1200# cargo, when I hook the boat to the hitch the rear of the truck drops 2.5". I hooked the boat to the 'Vette as a joke for a meet and the rear only dropped 1/2".

BTW; The boat towed fine behind the 'Vette but backing up was interesting and 5th and 6th gears weren't usable.
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Old Feb 16, 2007 | 11:39 AM
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Well if you can hook a boat up and pull it I think that 500+ lbs should be fine.
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Old Mar 22, 2007 | 09:16 PM
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I have cruised around with well over 550# of big boys in the vette and had no probs, no scraping, no noise, no strange feel in the floor or seat.
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Old Mar 22, 2007 | 09:36 PM
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Originally Posted by FAAASTJEDI2000
I have cruised around with well over 550# of big boys in the vette and had no probs, no scraping, no noise, no strange feel in the floor or seat.

Good to know, i have a friend who may be pushing the 400 marker that i'm supposed to pick up next month. I am about 180. I will probably get him in the wife's acura tl, but hell if he wants to go for a spin in the vette i don't want to be an a-hole and tell him no.
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