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Old Nov 13, 2014 | 01:07 PM
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In the C6, is the Z51 option only available in coupes?
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Old Nov 13, 2014 | 01:13 PM
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It is a option and the C6 comes in 4 different trim levels.

Then there is the Z06 which among other upgrades has the 427 motor. I guess this would be considered an option.

So C6 includes non Z51, Z51, and Z06 as well as the ZR1 which was offered later in the C6 model run and has a supercharger among other upgrades.

Does this help?
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Old Nov 13, 2014 | 01:27 PM
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Originally Posted by racehorse
In the C6, is the Z51 option only available in coupes?
No. In model years 2005 - 2009, it was available in both coupes and verts.
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Old Nov 13, 2014 | 01:29 PM
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Thanks...
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Old Nov 13, 2014 | 01:49 PM
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Don't hold me to this but IIRC, all the GS models (coupes and verts) are essentially a Z51-optioned wide body.
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Old Nov 13, 2014 | 02:09 PM
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Originally Posted by icntdrv55
Don't hold me to this but IIRC, all the GS models (coupes and verts) are essentially a Z51-optioned wide body.
When the Grand Sports were introduced, they became the Z51 option. In other words, 2010 and up Z51's are automatically Grand Sports or vice versa. The high performance option on a Grand Sport is the Z16 option. However, only M6 equipped coupes got the Wixom built forged crank motor and dry sump oiling. See below:

"Z16 Performance Package, performance-oriented package for the Gymkhana/Autocross enthusiast; includes extra cooling, stiffer springs and stabilizer bars, specific shock absorbers, larger brakes with 6 piston front and 4 piston rear calipers, cross-drilled rotors, specific tires and a Z16-specific 6-speed manual when ordered with 6-speed manual transmission or (GU2) performance axle ratio with 6-speed paddle shift automatic."
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Old Nov 13, 2014 | 09:04 PM
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Yes, as others have stated, the Z51 option was available only on 2005-2009 Base and Base Convertible models. "Z51" was an option package, and never a model, similar to how the glass roof or chrome wheels are options. The Z51 option package was quite a performance bargain for what was included.

The "Grand Sport" was an actual model, not an option, similar to how the Z06 and ZR1 are models, not options. GS did incorporate *most* of the Z51 option's content, and the "Z51" code even appears on the GS build sheet, but not *all* the old Z51 content was included (for example, the GS doesn't use the Z51 option's rear sway bar, as it is superseded by a GS-spec rear sway bar).

Corvette models (in order of introduction):
*Base (2005-2013)
*Base Convertible (2005-2013)
*Z06 (2006-2013)
*ZR1 (2009-2013)
*Grand Sport (2010-2013)
*Grand Sport Convertible (2010-2013)
*427 Convertible (2013)

So you could say that the Z51 option was *optional and available* only on 2005-2009 Base and Base Convertible models, but was *standard* on all Grand Sport models. (that is I *think* it was standard on the GS vert... I'll have to look that up to be sure!)

Cheers,
Kent

Last edited by Kent1999; Nov 13, 2014 at 09:08 PM.
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Old Nov 13, 2014 | 10:32 PM
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This part of the "Performance Package" came with both coupe & vert, for both manual tranny cars and automatic tranny cars:

Z16 Performance Package
performance-oriented package for
the Gymkhana/Autocross
enthusiast; includes extra cooling,
stiffer springs and stabilizer bars,
specific shock absorbers, larger
brakes with 6 piston front and 4
piston rear cross-drilled rotors,
specific tires and Z16-specific
6-speed manual when ordered with
6-speed manual transmission or
(GU2) performance axle ratio with
6-speed paddle shift automatic

But this part of the "Performance Package" only came with the coupe and only with the manual tranny cars:

Z52 Performance Package
includes dry sump oil system,
rear-mounted battery and differential
cooler
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Old Nov 14, 2014 | 02:20 AM
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Without overloading you, no. Convertibles could be ordered with Z51 as well. Keep it simple, guys.
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Old Nov 14, 2014 | 07:17 AM
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Originally Posted by ProfessorDeath
Without overloading you, no. Convertibles could be ordered with Z51 as well. Keep it simple, guys.
Reminds me of the child that asks his parents,..."where was I born?"

His parents spend 15 minutes explaining the "Birds & the Bees", when, "in a hospital", would have sufficed.
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Old Nov 14, 2014 | 07:33 AM
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Good info as always and even some extra trivia added for the next corvette meet.
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Old Nov 14, 2014 | 08:23 AM
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And then there was the F55 option, which was the red-headed stepchild suspension until the ZR1 legitimized the superiority.
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Old Nov 14, 2014 | 10:20 AM
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Thanks for answering my question but the additional comments were very welcomed also. Thanks all.....
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