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Autocrossing C-6 autotranny w/2.56 axle ratio??

era39

New member
Joined
Sep 2, 2004
Messages
3
Location
COLORADO
Corvette
2007 MONTERAY RED COUPE
I have successfully autocrossed with automatic transmission Vettes since 1974 and I'm thinking of upgrading from my '98 C-5 to the C-6. How well does the 6-speed automatic with the paddle-shift and a 2.56 rear axle ratio do against the 6-speed manual with a 3.42???? I would have the Z51 option on the C-6.
:confused Ed
 

jhecox

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Joined
May 11, 2006
Messages
1,178
Location
Auburn Hills-MI
Corvette
2016 Corvette Racing Yellow, Z51, OURS C7
Ed,

I've never auto-crossed my (or the Wife's, depends who your talking to) C6, nor do I ever plan to. But I do have the paddle shift and I have played around with it. I think it would take some getting used to. Driving a stick, when you bang the gear its there. Driving my C6, I've noticed when you are trying to drive hard and you hit the button, it takes about a second before it shifts. For me, this delay would take some getting used to. The paddle shift is NOT instantaneous.
 
Joined
Mar 27, 2003
Messages
3,671
Location
Mustang, OK
Corvette
'13 427 60th vert - '21 Silver Flare Coupe - CTS V Wagon(4-door Vette)
Corvette Magazine had an article a while back comparing times between a manual and a paddle shift car - on a solo/autocross course, the paddle car was faster - on a road course, the stick was faster.

I've tried mine on both and can't complain. Just like anything, practice makes perfect. Leading the shifts is required as the paddle shifts are not instantaneous.
 

NORTY

Well-known member
Joined
Sep 7, 2006
Messages
851
Location
Carlsbad,Ca.
Corvette
2006 C6Z DSOM
I hear the shift time can be shortened by tuning. Not sure though. I have an MM6 tranny.:w
 
Joined
May 10, 2002
Messages
2,254
Location
Boise, Idaho
Corvette
2002 electron blue Z06
I have found that I don't shift that much in autocross. I used to run most of the course in 2nd in my '97 A4. I also run most of the course in 2nd in my Z06. So I see the driving accuracy, braking and turning skills as more important than shifting. Just my $0.02
 

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