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geometry change from c5 z to c6?

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Old Aug 17, 2008 | 01:17 PM
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Default geometry change from c5 z to c6?

Pick up points, control arms rack location or spindles different? Other than longer wheelbase? If so, how?

My c5 was so sweet, and c6 is one of the worst handling cars I've driven
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Old Aug 17, 2008 | 04:42 PM
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Old Aug 17, 2008 | 05:32 PM
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Worse handling car? My C6 handles a better than my C5 did. I could tell right away. What exactly is wrong with the handling of your C6?
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Old Aug 17, 2008 | 05:33 PM
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Originally Posted by ramey
Pick up points, control arms rack location or spindles different? Other than longer wheelbase? If so, how?

My c5 was so sweet, and c6 is one of the worst handling cars I've driven
Do you have a base C6? If so, than your C5Z did have better handling. You need to upgrade the sway bars to the Z51 sways or ZO6 sways. That will make a big difference.

Last edited by danl72; Aug 17, 2008 at 05:36 PM.
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Old Aug 17, 2008 | 05:35 PM
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Originally Posted by danl72
Worse handling car? My C6 handles a better than my C5 did. I could tell right away. What exactly is wrong with the handling of your C6?
He said C5 Z in the title. I actually did a search and there are a few that prefer the handling of the C5Z over the C6. Some of the discussions were on this forum.

I would agree that calling the C6 one of the worst handling cars is a bit childish, and is why I didn't respond to the original post.

San
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Old Aug 17, 2008 | 05:38 PM
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Originally Posted by oldmansan
He said C5 Z in the title. I actually did a search and there are a few that prefer the handling of the C5Z over the C6. Some of the discussions were on this forum.

I would agree that calling the C6 one of the worst handling cars is a bit childish, and is why I didn't respond to the original post.

San
If he has the base C6, then yes the C5Z is a lot better. That is why he should upgrade the sway bars for a big improvement.
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Old Aug 17, 2008 | 05:46 PM
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not childish, serious question

Same person who won 9 straight prosolos in SS, in 3 different c5z's , cant keep up with F stock in the c6z.

call me really frustrated.

the car plows through any radius turn, has very little rear brakes so you cant trail brake it in, has no engine backtorque to help it turn in due to the tall gearing, and yet it skitters the tail out in just about any transition.

it is always either plowing or drifting, whereas in most any other car, and certainly in any c5z, I can keep the car very neutral through any transition or radius turn with no such issues.

the next thing i am going to try is to put c5z shocks, bars and tires on it, because the spring rates arent too much different. in theory if the pick up points are the same it should then handle exactly like a c5z.

I thought the spindles, control arms, etc. were the same or at least interchangeable.



but before i bother i want to understand how this car could possibly be so bad when the c5 was so good, and I want to know if the geometry is different.

if anyone has any info please help.
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Old Aug 17, 2008 | 05:48 PM
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Originally Posted by ramey
Pick up points, control arms rack location or spindles different? Other than longer wheelbase? If so, how?

My c5 was so sweet, and c6 is one of the worst handling cars I've driven
What else have you driven other than the C5 which is a great car. I think you're the first person I've heard to say the C6 handles poorly. Everyone else on the planet seems to love it. What in particular don't you like?

Last edited by goatts; Aug 17, 2008 at 05:53 PM.
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Old Aug 17, 2008 | 06:22 PM
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Torque management kicking in?
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Old Aug 17, 2008 | 06:34 PM
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Originally Posted by ramey
not childish, serious question

Same person who won 9 straight prosolos in SS, in 3 different c5z's , cant keep up with F stock in the c6z.

call me really frustrated.

the car plows through any radius turn, has very little rear brakes so you cant trail brake it in, has no engine backtorque to help it turn in due to the tall gearing, and yet it skitters the tail out in just about any transition.

it is always either plowing or drifting, whereas in most any other car, and certainly in any c5z, I can keep the car very neutral through any transition or radius turn with no such issues.

the next thing i am going to try is to put c5z shocks, bars and tires on it, because the spring rates arent too much different. in theory if the pick up points are the same it should then handle exactly like a c5z.

I thought the spindles, control arms, etc. were the same or at least interchangeable.



but before i bother i want to understand how this car could possibly be so bad when the c5 was so good, and I want to know if the geometry is different.

if anyone has any info please help.
Maybe you can elaborate as to what you're driving. Are you in a C6Z as the above post suggests? If so this may have been more appropriate in the Z06 section, but should still be relavent here.

I haven't driven a C5Z, let alone a C5. My C6 is my first Corvette, and while it handles differently than my other car, I couldn't put it in a "worst handling" category, and mine is the base model (coilovers staring me in the face as we speak).

When I saw your post I looked at your profile to verify you weren't a troll, as it seemed harsh. Sorry to hear you're not happy with the handling. Hopefully some of the gurus here can help.

San
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Old Aug 17, 2008 | 06:37 PM
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Originally Posted by AU N EGL
Torque management kicking in?
Can you confirm that the torque management for the C5Z was drastically different than the C6Z (or C6)?

San
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Old Aug 17, 2008 | 07:56 PM
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The C-5 Zs did not have run-flats from the factory. That would make a lot of difference.
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Old Aug 17, 2008 | 08:03 PM
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Originally Posted by ramey
Pick up points, control arms rack location or spindles different? Other than longer wheelbase? If so, how?

My c5 was so sweet, and c6 is one of the worst handling cars I've driven
Have you tried Bob Bondurant track training? I think it's time !!
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Old Aug 17, 2008 | 08:12 PM
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Originally Posted by welcome2try
Have you tried Bob Bondurant track training? I think it's time !!
Did you read the thread? It appears as if he has plenty of seat time.

San
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Old Aug 17, 2008 | 08:18 PM
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Originally Posted by ramey
Pick up points, control arms rack location or spindles different? Other than longer wheelbase? If so, how?

My c5 was so sweet, and c6 is one of the worst handling cars I've driven


I had a C5 Z06 50th Anniversary Edition with 18000 miles, drove it across the country, put about 8K miles on it, couldn't stand the way it felt: it was too long and it was hard to determine where the handling limits were. It felt more like a big powerboat than a sportscar.
Bought a C6 and haven't looked back since. My C6 Z51 is better in every single possible way and even if you didn't like the C6 for one reason or another, you better have driven nothing but race cars and exotics to make as idiotic a statement as to say that it is one of the worse handling cars you've ever driven.
Either that or you are a troll. I'm thinking the latter.
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Old Aug 17, 2008 | 08:28 PM
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Originally Posted by danl72
Worse handling car? My C6 handles a better than my C5 did. I could tell right away. What exactly is wrong with the handling of your C6?
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Old Aug 17, 2008 | 09:18 PM
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Rod McGeorge drove a C6Z at nationals last year finishing 3rd in ASP. So you can assume he's changed the shocks and the sway bars, but obviously not the worst handling car ever.

Ryan
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Old Aug 17, 2008 | 09:48 PM
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What are your alignment settings? You have to get a little tricky with the alignment to make the C6Z autocross well on stock size wheels and tires. If you are ASP what wheels tires are you using?

The c5-c6 are quite different according to the NCM.

"Suspension. None of the suspension bits has been carried over from C5. The short-long arm and transverse leaf spring independent suspension configuration remains, but the cradles, control arms, knuckles, springs, dampers, bushings, stabilizer bars, and steering gear are all redesigned. "
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Old Aug 17, 2008 | 09:48 PM
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Originally Posted by PowerLabs

Either that or you are a troll. I'm thinking the latter.
I thought the same but if he's a troll he's very patient. Very, very patient.

San
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Old Aug 17, 2008 | 11:51 PM
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well i intended to run SS... but i am really slow so far, uniquely slow in this car.

i may go to ASP, as part of the problem is front brake bias and not enough front tire; my plan was essentially to use c5 shocks and bars, with the same wheels rod is running on.

however, that logic is flawed if the pick up points and spindles are different.

i bought the car having read that they were the same; thus thinking it would solo like a c5, save for bar and wheel changes. not so.

i still really want to know the dimensional differences between c5 and c6. the c6 shop manual does not even show frame dimensions.
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