NO acceleration
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4th Gear
Joined: Mar 2019
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NO acceleration
Thank you in advance for your response.
I recently got a low miles 2915 C7 2lt stingray .
Great car ! But concerned with ZERO acceleration when in M (any mode) and in high gear (6th or 7th) and low speed (say. 40 mph). Even with pedal to the metal, there is no acceleration. When in D, the car is very responsive with great acceleration. Is my car or normal??
Thank you
john
I recently got a low miles 2915 C7 2lt stingray .
Great car ! But concerned with ZERO acceleration when in M (any mode) and in high gear (6th or 7th) and low speed (say. 40 mph). Even with pedal to the metal, there is no acceleration. When in D, the car is very responsive with great acceleration. Is my car or normal??
Thank you
john
Melting Slicks
Joined: Jan 2015
Posts: 2,273
Likes: 653
From: Darien, IL
St. Jude Donor '15-'16
Melting Slicks
Joined: Jan 2015
Posts: 2,273
Likes: 653
From: Darien, IL
St. Jude Donor '15-'16
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From: SE WI
Probably the electronics protecting from lugging the engine. With my M7 I have to be well over 60mph to accelerate in 6th and 7th. They are overdrive gears meant for a cruising speed. Not for passing.
Last edited by Zjoe6; Mar 13, 2019 at 09:21 AM.
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Racer
Joined: Jun 2013
Posts: 427
Likes: 111
From: Raleigh NC
John,
No worries, sometimes these things get the best of us. M (manual mode) should be treated just as you would treat a traditional manual gear box. You need to anticipate your need for acceleration and shift accordingly. On a highway, at 55 in 7th or 8th gear, your acceleration is very minimal at best and you will want to drop it down to 3rd to get that acceleration you are looking for to make an pass. One thing I would be aware of as a person new to vettes and paddle shifting, is not only anticipating the need for acceleration, but also how that sudden acceleration will impact traction especially on damp, wet, dew laden roads. It can get squirrelly on you if you aren't prepared for it. There are many others on here that can get into the technical details of paddle shifting and ideal shift points, but ideally you need to make yourself comfortable with the car and its/your limitations. In doing so, enjoy the new ride!
krwunlv
No worries, sometimes these things get the best of us. M (manual mode) should be treated just as you would treat a traditional manual gear box. You need to anticipate your need for acceleration and shift accordingly. On a highway, at 55 in 7th or 8th gear, your acceleration is very minimal at best and you will want to drop it down to 3rd to get that acceleration you are looking for to make an pass. One thing I would be aware of as a person new to vettes and paddle shifting, is not only anticipating the need for acceleration, but also how that sudden acceleration will impact traction especially on damp, wet, dew laden roads. It can get squirrelly on you if you aren't prepared for it. There are many others on here that can get into the technical details of paddle shifting and ideal shift points, but ideally you need to make yourself comfortable with the car and its/your limitations. In doing so, enjoy the new ride!
krwunlv
Last edited by krwunlv; Mar 13, 2019 at 10:34 AM.
Melting Slicks
Joined: Jan 2015
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From: Darien, IL
St. Jude Donor '15-'16
It will downshift to avoid lugging the engine while you are in a high gear, for example it would drop for 8 to 7. But it won't drop several gears quickly for a pass.
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Yeah, drop it down a few gears and the acceleration should be there.
Le Mans Master
Joined: Jan 2006
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From: Down south in Dixie
Drifting
Joined: Oct 2014
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From: Atlanta, GA
as one guy mentioned with traction control and a sudden burst of torque and acceleration...also be mindful when its cold as well. If you have the summer tire on, and it's cold (I'll say 40 and below) you can...and will, loose traction even in 4th gear. I have the manual tranny and I've spun a little without even trying in 3rd and 4th when it's cold.
Congrats on your new ride. Have fun!! You'll be an expert in no time.
Congrats on your new ride. Have fun!! You'll be an expert in no time.
Drifting
Joined: Oct 2014
Posts: 1,733
Likes: 403
From: Atlanta, GA
Also...you may notice...you being in M mode for paddle shifts is the ONLY time your car won't go into 4 cylinder mode. I think....
You other fellas with the Auto 8 tranny....correct me if I'm wrong.
You other fellas with the Auto 8 tranny....correct me if I'm wrong.
Le Mans Master
Joined: Jan 2006
Posts: 6,800
Likes: 2,653
From: Down south in Dixie
But, my Range unit takes care of that.
Last edited by Rebel Yell; Mar 13, 2019 at 03:24 PM.
Racer
Joined: Dec 2012
Posts: 432
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From: DFW metroplex 2016 C7Z06 M7
I don’t own an A8, but to my understanding, if you want some accerercaeraltion, you can hold down the downshift paddle (rather than pressing the paddle once). The car will downshift as far as the computer will allow.
Burning Brakes
Joined: Oct 2018
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From: Monticello, AR
2024 C8 of the Year Finalist - Unmodified
That is correct....holding the downshift paddle will downshift the car to lowest possible gear at that particular moment.
Racer
Joined: Nov 2011
Posts: 381
Likes: 92
From: Mandeville LA
Originally Posted by krwunlv
John,
No worries, sometimes these things get the best of us. M (manual mode) should be treated just as you would treat a traditional manual gear box. You need to anticipate your need for acceleration and shift accordingly. On a highway, at 55 in 7th or 8th gear, your acceleration is very minimal at best and you will want to drop it down to 3rd to get that acceleration you are looking for to make an pass. One thing I would be aware of as a person new to vettes and paddle shifting, is not only anticipating the need for acceleration, but also how that sudden acceleration will impact traction especially on damp, wet, dew laden roads. It can get squirrelly on you if you aren't prepared for it. There are many others on here that can get into the technical details of paddle shifting and ideal shift points, but ideally you need to make yourself comfortable with the car and its/your limitations. In doing so, enjoy the new ride!
krwunlv
No worries, sometimes these things get the best of us. M (manual mode) should be treated just as you would treat a traditional manual gear box. You need to anticipate your need for acceleration and shift accordingly. On a highway, at 55 in 7th or 8th gear, your acceleration is very minimal at best and you will want to drop it down to 3rd to get that acceleration you are looking for to make an pass. One thing I would be aware of as a person new to vettes and paddle shifting, is not only anticipating the need for acceleration, but also how that sudden acceleration will impact traction especially on damp, wet, dew laden roads. It can get squirrelly on you if you aren't prepared for it. There are many others on here that can get into the technical details of paddle shifting and ideal shift points, but ideally you need to make yourself comfortable with the car and its/your limitations. In doing so, enjoy the new ride!
krwunlv