C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Do convertables wiegh more than coupes.

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Old Nov 13, 2003 | 01:37 PM
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Default Do convertables wiegh more than coupes.


I would assume they do...but how much?
Does it affect the performance at all?
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Old Nov 13, 2003 | 01:47 PM
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Default Re: Do convertables wiegh more than coupes. (blk95)

I would assume they do...but how much?
Does it affect the performance at all?
Yes, by about 100#
Yes it does, more weight = less performance, more flexibility = worst handling.
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Old Nov 13, 2003 | 01:55 PM
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Default Re: Do convertables wiegh more than coupes. (Darkness)


Yes it does, more weight = less performance, more flexibility = worst handling.


Oh, but with the top down or up :auto: = Looks the COOLEST!!!
:steering:


[Modified by Da-Cajun, 12:56 PM 11/13/2003]
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Old Nov 13, 2003 | 02:27 PM
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Default Re: Do convertables wiegh more than coupes. (Da-Cajun)

:iagree:
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Old Nov 13, 2003 | 02:28 PM
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Default Re: Do convertables wiegh more than coupes. (Da-Cajun)

:iagree: about 100# if equipped the same.

However, I disagree concerning poor handling & worse performance. Mine seems to do OK - C5s can read my license plate just fine - " 1GR8LT4 ".
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Old Nov 13, 2003 | 04:16 PM
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Default Re: Do convertables wiegh more than coupes. (Da-Cajun)


Yes it does, more weight = less performance, more flexibility = worst handling.


Oh, but with the top down or up :auto: = Looks the COOLEST!!!
:steering:


[Modified by Da-Cajun, 12:56 PM 11/13/2003]
:iagree:
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Old Nov 13, 2003 | 06:43 PM
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Default Re: Do convertables wiegh more than coupes. (NavyVet)

:iagree: about 100# if equipped the same.

However, I disagree concerning poor handling & worse performance. Mine seems to do OK - C5s can read my license plate just fine - " 1GR8LT4 ".
Can't speak to all years, but L98 rdsters come with 2.72 rear gears vs 2.59 for coupe. My handling is Xcellent as is acceleration and all vettes are supposed to be rdstrs :D

:seeya
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Old Nov 13, 2003 | 08:26 PM
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Default Re: Do convertables wiegh more than coupes. (Tom94)

100 pounds is quite a bit..

What about with the hard top?
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Old Nov 14, 2003 | 04:26 AM
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Default Re: Do convertables wiegh more than coupes. (blk95)

You're all talking that the vert handles just fine!!! Well it does but the coupe handles better (given the same suspenssion) cause it has less body flex.
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Old Nov 14, 2003 | 05:28 AM
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Default Re: Do convertables wiegh more than coupes. (Darkness)

You're all talking that the vert handles just fine!!! Well it does but the coupe handles better (given the same suspenssion) cause it has less body flex.
But the vert has the crossbrace to compensate for flex.
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Old Nov 14, 2003 | 08:02 AM
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Default Re: Do convertables wiegh more than coupes. (93 ragtop)

At Roebling Road last year my '96 LT-4 Collector's Edition Coupe was 3589 with driver.
Dana's '96 LT-4 Convertible, with a NCCC legal roll bar and driver was 3677.
But Russ and Mary's Group III with the Doug Rippie bar and stripped interior was only 3225.
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Old Nov 14, 2003 | 10:16 AM
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Default Re: Do convertables wiegh more than coupes. (jackdaroofer)

Can't speak to all years, but L98 rdsters come with 2.72 rear gears vs 2.59 for coupe. My handling is Xcellent as is acceleration and all vettes are supposed to be rdstrs :D

:seeya
my rear gear in my coupe is 3.07
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Old Nov 14, 2003 | 11:14 AM
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Default Re: Do convertables wiegh more than coupes. (86_RedRider)

yes it weighs more but who cares, the top down roadster looks and feels sooooo much better it is well worth it. There is more than the X brace helping to make the car stiffer. There is some other reinforcement to the frame as well up front. Bottom line, who cares mod it to get it faster. It's cheaper to make up the 100 lbs in mods than it is to hck a coupe into a vert LOL. Verts rock and personally i think they all should be verts with the coupe as an option. After switching from a C4 coupe to a C4 vert about 15 months ago i could never go back. From now on it will be only verts for me.

As for gears mine came with the pathetic 2.59 set-up. That was easily fixed with a 3.07 complete set-up purchased for only 450 bucks from a fellow forum member(Mr. Nuke) and then self installed with help from another forum member (Cicch95). Now life is good.


[Modified by robertpel9, 11:16 AM 11/14/2003]
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Old Nov 14, 2003 | 11:34 AM
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Default Re: Do convertables wiegh more than coupes. (robertpel9)

not to hi-jack the thread - since the original question was just about weight - but i personally think the vert looks cool with the top down, but i don't like the look with the top up, i'd for sure get a hardtop to put on it.
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Old Nov 14, 2003 | 12:16 PM
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Default Re: Do convertables wiegh more than coupes. (86_RedRider)

i agree that it looks best with the top down but i still like it better with the top up than a coupe, just an opinion though. Besides who drives with the top up anyway. 90% of my driving is with the top down. If the weather is lousy i take the other car anyway and thats why they invented hairbrushes so you can fix your do when you get to work, play etc. C4 verts are sweet. As i said i owned a C4 coupe and have much respect for them but i wouldn't trade my vert with 104K miles on it for even a 95 ZR-1 with low miles other than for purely financial reasons. I think the late C4 vert with the top down is a timeless design that will always look sweet (of course i am totally biased but who cares.) The perfect vette for me is a 96 LT-4 vert i think it's the untimate corvette made to date.
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Old Nov 14, 2003 | 06:56 PM
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Default Re: Do convertables wiegh more than coupes. (Darkness)

You're all talking that the vert handles just fine!!! Well it does but the coupe handles better (given the same suspenssion) cause it has less body flex.
That's why they have the X-frame and just so you know, the verts have a lower center of gravity which aids in handling. I'd say with your top out, you might have a flex problem. :boxing
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Old Nov 14, 2003 | 07:13 PM
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Default Re: Do convertables wiegh more than coupes. (86_RedRider)

Can't speak to all years, but L98 rdsters come with 2.72 rear gears vs 2.59 for coupe. My handling is Xcellent as is acceleration and all vettes are supposed to be rdstrs :D

:seeya

my rear gear in my coupe is 3.07
That was an option for both coupes and rdstrs :D
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Old Nov 14, 2003 | 10:26 PM
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Default Re: Do convertables wiegh more than coupes. (jackdaroofer)


100 pounds extra weight....no way...its maybe 60 or so. Look at the curb weights.

Wheres the extra weight? The only difference I can find, other than appearance is the X-brace under the car.

Ive weighed and it weighs approximately 35 pounds.

So wheres the extra 65 pounds of weight? The decklid?

People act like the convertible is sooo much slower. Its very little difference if any at all. I have thought that maybe on top end the car may have worse (top up) aerodynamics. That said I've still hit 155 (top up) and simply ran out of traffic-free road.

I will say this, before adding RD's camber brace I noticed a difference between top up and top down performance. Afterwards the turning ability improved with the top down.

For those who say the convertible is the worst handling, throw a hardtop on it and it will handle better than the similarly equipped coupe, thanks to its x-brace. Thats why many coupes get x-braces too.

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Old Nov 15, 2003 | 10:20 AM
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Default Re: Do convertables wiegh more than coupes. (dizwiz24)

Don't forget the suspension options when talking 'bout handling. Mine has the Z52 option, handles better than my friends 94 base and the steering is at least tighter than my brother in-laws C5 base. :D
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Old Nov 15, 2003 | 11:28 AM
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Default Re: Do convertables wiegh more than coupes. (Darkness)

Yes it does, more weight = less performance, more flexibility = worst handling.
Yes, but....In a convertible you look and feel so cool you aren't in as much of a hurry to get there :jester
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