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Z51 ???

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Old Feb 14, 2026 | 07:40 PM
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Default Z51 ???

My 2008 base model has a code of J55 and F55 and i have a 2.73 rear ratio. Do i have a Z51???
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Old Feb 14, 2026 | 09:53 PM
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NO

1) You would see Z51 on the same RPO code sticker as the other options
2) You can have F55 or Z51 but not both options on a 2008.

A 2008 Corvette Order Guide explains what the RPOs include. See page 14 for suspension options.
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Old Feb 14, 2026 | 09:57 PM
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If no Z51 code in the glove box sticker, then not a Z51 (all the package) option car.



And the dead give away, none of the Z51 option cars (last of the base Z51 option was 2009, and replaced by the GS model) had F55. Hence even with F55 set is sports mode, it still softer than the Z51 suspension. In the GS through, it was offered with F55 (where F55 started to shine)..
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Old Feb 14, 2026 | 11:05 PM
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Thanks.
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