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Copnvertable weigh more?

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Old 11-20-2006, 09:02 AM
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Car: 88 GTA
Engine: L98
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Copnvertable weigh more?

Are the convertalbe heavier or the hard/ttop?
Old 11-20-2006, 10:54 AM
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Car: 1988 IROC-Z Convertible
Engine: 305 LB9
Transmission: MK6 5-speed
Axle/Gears: G80, G92, GM3
I don't know of any convertible that weighs less than its hardtop counterpart. This is due to having to beef up the frame to compensate for no roof.

Chuck
Old 11-20-2006, 11:25 AM
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Car: 1985 Trans Am convertable
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.42 LSD
mine wieghs 4060 with me in it if that helps any. And i weigh about 190. If you got one put it on the scale. most IHRA / NHRA drag strips have a scale.
Old 11-20-2006, 05:34 PM
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Car: 88 Iroc Vert/ 1980 Z28
Engine: 305 TPI/ 350
Transmission: 700R4/ TH350
Axle/Gears: 2.73posi/ 3.08 Open
Mine weighs 3828lbs w me in it 88 Iroc





I weigh about 190-200.

Last edited by WillSpeedy; 12-09-2006 at 05:03 PM.
Old 11-20-2006, 05:55 PM
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Inquring minds want to know... how much without you in it? I know that gives out the secret but...
Old 11-20-2006, 10:10 PM
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Car: 88 GTA
Engine: L98
Transmission: 700r4
Axle/Gears: 3.27 9bolt
how much do the t top cars weigh?
Old 11-21-2006, 06:24 AM
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Car: 92 Z28 convertible
Engine: Miniram 383
Transmission: T-56
Axle/Gears: 4.10 stk 10 bolt
Mine weighs 3490 without driver.
Old 11-21-2006, 10:27 AM
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Originally Posted by wannafbody
how much do the t top cars weigh?
Less than a convertible.
Old 11-21-2006, 01:19 PM
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Car: 1991 Camaro RS
Engine: LO3
Transmission: T-5
supposedly the difference is small though. The large piece of glass for the hatch is what made the coup anywhere near the weight of the convertible.
Old 11-21-2006, 01:21 PM
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Car: 88 GTA
Engine: L98
Transmission: 700r4
Axle/Gears: 3.27 9bolt
200+ lbs seems like alot
Old 11-21-2006, 01:30 PM
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Have you ever lifted up the rear trunk lid for a vert? The hatch glass by comparison is light. Well, not really but between the tonneau and trunk lid it more than makes up for whats lost, not to mention all the added bracing and the top mechanism and bows arent exactly lightweight parts either.
Old 11-21-2006, 02:19 PM
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Car: 88 GTA
Engine: L98
Transmission: 700r4
Axle/Gears: 3.27 9bolt
well that sucks I wanted a vert but since i cant find one anyways now I dont fell sobad getting a T top car
Old 12-08-2006, 09:31 PM
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Car: 1989 RS convertible
Engine: 305 TBI LO3
Transmission: TH-700-R4
Axle/Gears: stock axles 3.73 LSD
kinda old thread but my car is in pieces. the top itself isn't that heavy, nor is the trunk lid...why the heck is the tonneau cover so damn heavy?
Old 12-12-2006, 07:58 AM
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Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
the convertible top itself weighs about the same as the sheetmetal roof.

the tonneu cover,sheetmetal bracing and trunk decklid weigh slightly less then the glass hatch.(but not by alot)

most convertibles are heavier for two reasons.. the hydraulic pump and rams(actuators) for the power top.. and additional bracing.

well, our additional bracing mostly consists of two lightweight stamped U pieces..... and we do not have a hydraulic pump.... this alone wouldnt help... except that in comparison, we're removing a HUGE and very heavy chunk of glass...





then why do most convertibles weigh more?? well, think about it.
what options do the verts have? i dont know about yours, but mine came with leather seats, CD, power mirrors, power windows, uberdelux interior, 16" rims, ect...... its fully loaded...

and thats why the weight compares to..... a fully loaded hardtop... the leather seat option alone makes more of a weigh diff then the convertible vs hardtop...


you take out some extra junk, and you can easily make your vert like mine.. a slim, sub-3,000lb full interior driver..
Old 12-13-2006, 10:12 AM
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What are the weights on each part?
Old 12-13-2006, 11:29 AM
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Car: 1988 Pontiac firebird
Engine: '93 LT1
Transmission: Built 700R4
Axle/Gears: 3.70 9 bolt
my v6 hardtop weighs 3120 with 1/2 a tank of gas and me out of it.
Old 12-13-2006, 12:29 PM
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Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
Originally Posted by eagle_eyes
my v6 hardtop weighs 3120 with 1/2 a tank of gas and me out of it.
my convertible LS1 weighs 2980 with a FULL tank of gas, in street trim and me out of it.
you can knock another few lbs off when i drop the muffler, swap the bogarts on, swap to a lightweight minibattery, and pull the passenger seat.... also, i usually race with less then half a tank.
Old 12-14-2006, 02:49 AM
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Car: 1992 Trans/am convertible
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 2.73 drum WS6
What are the things you guys removed to go under 3000????

Last edited by xlwhellraiser; 12-14-2006 at 02:56 AM.
Old 12-14-2006, 09:58 AM
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Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
Originally Posted by xlwhellraiser
What are the things you guys removed to go under 3000????
the main mod that helped is that i swapped a iron intake, iron head, iron block, automatic transmisson for a alum block, alum head, plastic intake motor backed by a manual.... then i did a bunch of little stuff.. like alum bumper support instead of steel...tubular Kmember/aarms, ditched the heavy leather seats for corbeaus (light and comfy).... my car has minimal sound insulation, but with the top down, you honestly cant tell.. carpet feels the same.... ect.
Old 12-16-2006, 09:12 AM
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Where did you get the aluminum bumper supports?
Old 12-18-2006, 08:09 AM
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Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
Originally Posted by Randy92Z
Where did you get the aluminum bumper supports?
1982/early83 4cyl camaros came with alum front bumpers in a effort to reduce weight.
startting off of that, i rivited on the lighter and better fitting to the urathane nose 91 support "eggcrate"... i did cut the eggcrate some so that it was lighter.... but its still strong enough to support the frontend at high speed.

the bumper itself i used a holesaw on, cutting its weight almost in half...
Old 01-01-2007, 02:22 AM
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i watched a video from the 80's and it was about the camaros......they talked about the vert and they said the wieght was the same. few pounds either way depending on accesories butno difference and they did say it was due to the rear glass being soooooo heavy
Old 01-01-2007, 05:24 PM
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Car: 87 iroc droptop
Engine: 350 tpi
Transmission: 700 r4
Axle/Gears: 373
Originally Posted by wannafbody
Are the convertalbe heavier or the hard/ttop?
my 87 convertible weighs 3760 by itself because of the extra body stiffening.my buddies t-top weighs 3200 so there is definite weight compensation
Old 02-02-2008, 12:16 AM
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Car: 87 iroc droptop
Engine: 350 tpi
Transmission: 700 r4
Axle/Gears: 373
Re: Copnvertable weigh more?

Originally Posted by wannafbody
Are the convertalbe heavier or the hard/ttop?
my 87 convert weighs 3560 by itself, most t top cars of my crew weigh 3250 or a little heavier
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