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Old Oct 9, 2007 | 04:31 AM
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From: doha
Default Need help please

I’m thinking of trading my 05 C6 vette for a 08 C6. However, I don’t know which option to get Z51/F55. So, I would like to know what are the difference between a Z51 (performance package) and F55 (magnetic selective ride control). And which one in your opinion would be better and why….

By the way I’m getting an A6.
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Old Oct 9, 2007 | 04:52 AM
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Default Z51 vs F55

Probably in the top-ten most discussed topics...





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Old Oct 9, 2007 | 07:26 AM
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sounds like you don't keep your car very long, so you don't have to worrry about replacement part costs. that'd be a big number with f55.

it is said that the f55 has a setting that will put it at z51 stiffness, yet still has settings for much more compliant ride. that may be so.

as to comfort of z, I find nothing wrong with it at all after 3300 miles in 6 weeks. the only issue if it is one is the dusting from the brakes/pads which I just changed out this past weekend.

I don't think you'll go wrong with either setup. it's not a big issue if you ask me.
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Old Oct 9, 2007 | 07:45 AM
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Originally Posted by keyplyr
Probably in the top-ten most discussed topics...


There are dozens of threads on this topic, just do a search.

The Z51 package includes more than the suspension. For an M6, the gear ratios are different, doesn't apply to the A6.

The F55 suspension is variable, very high-tech, fairly epensive. Some magazine articles have claimed that track results (lap times) can actually be better with the F55.

This is a very subjective subject, so you'll see lots of differing opinions, heated debate.

I have the base suspension, am perfectly happy with it.
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Old Oct 9, 2007 | 08:13 AM
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From: doha
Default I'm buying an 08 A6

Well, i did do a search and all what i got was 2005-2007 z51 and f55 related topics.I found none for the 2008 vette....

I thought they might have changed a thing or two on the 08. So, what your saying is both systems are exactly the same on all C6 year models???

Thanx for the replay guys
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Old Oct 9, 2007 | 11:43 AM
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From: doha
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Anyone else has an opinion ????
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Old Oct 9, 2007 | 12:12 PM
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Go with the Z51 cuz:

1. Grippier Tires
2. Larger Brakes
3. Oil Cooler
4. Lower gearing in 1st-3rd
5. Higher resale Value

Despite what some will say - the Z51 ride is NOT HARSH - it's FIRM.

If my 59 yr old fat azz can take so can you. Besides the F55 costs more. To me it's a NO Brainer.
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Old Oct 9, 2007 | 12:13 PM
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But then again . . . .

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Old Oct 9, 2007 | 01:06 PM
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And I, on the other hand, have a skinny Azz, and it works great for me, too. So, it must not be the suspension. But I'll go with F. Azz JF and recommend it to you. (long as he don't take no offense...)
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Old Oct 9, 2007 | 07:00 PM
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From: doha
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thanx guys....by the way would it be fair to say the Z51 would beat a
F55 in a drag race if both cars had the same driver and they were both A6's?????
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Old Oct 9, 2007 | 07:32 PM
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I have the Z51 package and like you didn't know which way to go reguarding the suspension. I'm soooooooo......glad I went with the Z51.
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