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C6 Z51?

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Old May 29, 2006 | 10:59 PM
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Default C6 Z51?
Sorry if this was already asked...I did a search and didn't find it. What is the 0-60 improvement (or HP) with the Z51 option, if any?
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Old May 29, 2006 | 11:34 PM
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Gm states that it's 1/10 second improvement due to the shorter gearing.
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Old May 29, 2006 | 11:37 PM
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Actually, I think GM says 0.2 secs. diff. for the manual tranny, 0.1 secs. for the auto tranny for 0-60.

Quarter mile times and speeds quoted by GM.
Z06, 6-spd manual, 11.7 sec @ 125 mph
6-spd manual w Z51 12.5 sec @ 115 mph
6-spd manual w/o Z51 12.6 sec @ 115 mph
4-spd auto tranny w Z51 12.9 sec @ 110 mph
4-spd auto tranny w/o Z51 13.0 sec @ 110 mph

Zero to 60 mph times quoted by GM.
Z06, 6-spd manual, 3.7 sec
6-spd manual w Z51 4.1 sec
6-spd manual w/o Z51 4.3 sec
4-spd auto tranny w Z51 4.5 sec
4-spd auto tranny w/o Z51 4.6 sec
Last edited by Vette_DD; May 29, 2006 at 11:39 PM.
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Old May 30, 2006 | 08:29 AM
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Thanks! Now I know why I ordered the 6-speed manual with Z51!
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Old May 30, 2006 | 07:12 PM
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z51 mn6 -... Love It !
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Old May 30, 2006 | 07:48 PM
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Originally Posted by SilverCoupe
Actually, I think GM says 0.2 secs. diff. for the manual tranny, 0.1 secs. for the auto tranny for 0-60.

Quarter mile times and speeds quoted by GM.
Z06, 6-spd manual, 11.7 sec @ 125 mph
6-spd manual w Z51 12.5 sec @ 115 mph
6-spd manual w/o Z51 12.6 sec @ 115 mph
4-spd auto tranny w Z51 12.9 sec @ 110 mph
4-spd auto tranny w/o Z51 13.0 sec @ 110 mph

Zero to 60 mph times quoted by GM.
Z06, 6-spd manual, 3.7 sec
6-spd manual w Z51 4.1 sec
6-spd manual w/o Z51 4.3 sec
4-spd auto tranny w Z51 4.5 sec
4-spd auto tranny w/o Z51 4.6 sec
GM likes to keep us guessing. I have a Corvette advertisement hanging in my garage. I'm sure everyone remembers it. It was a pull out page in many automobile magazines when the C6 was introduced. The one I'm referring to is a blue coupe, big red letters that say 4.2 0-60. It is a non Z51.
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