# Why does my car change its "stance" when I load the driveline?

**URL:** <https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133>\
**Category:** Factual Questions\
**Created:** [July 15, 2019, 4:13pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133 "2019-07-15T16:13:20Z")\
**Posts on this page:** 8\
**Page:** 2

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**Author:** ![steronz](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/steronz/32/11765_2.png) [@steronz](https://boards.straightdope.com/u/steronz)\
**Post date:** [July 16, 2019, 3:56pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/21 "2019-07-16T15:56:21Z")

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[And here’s a video of the some diff bushings compressing under engine torque.](https://www.youtube.com/watch?v=7Cgiz_iHQAE)

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**Author:** ![Gorsnak](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/gorsnak/32/7587_2.png) [@Gorsnak](https://boards.straightdope.com/u/Gorsnak)\
**Post date:** [July 16, 2019, 4:44pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/22 "2019-07-16T16:44:45Z")

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My car doesn’t do this at all. I just tried, and when I engaged the transmission the whole car kinda shuddered and the engine stopped. What am I doing wrong?

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**Author:** ![EdelweissPirate](https://avatars.discourse-cdn.com/v4/letter/e/8491ac/32.png) [@EdelweissPirate](https://boards.straightdope.com/u/EdelweissPirate)\
**Post date:** [July 16, 2019, 5:14pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/23 "2019-07-16T17:14:59Z")

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I’m betting your car is front-wheel-drive. What’s the year/make/model?

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**Author:** ![Pleonast](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/pleonast/32/1183_2.png) [@Pleonast](https://boards.straightdope.com/u/Pleonast)\
**Post date:** [July 16, 2019, 5:42pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/24 "2019-07-16T17:42:43Z")

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Does any of this apply to electric cars?

I have a 2017 Chevy Bolt (no gas engine, just a 200-HP electric motor, front wheel drive). If I’m stopped and floor the accelerator, the wheels will spin. I’ve found the best acceleration (without any squealing) is about pressing two-thirds on the pedal until the car is rolling and then flooring the pedal. Does this make sense or am I doing something wrong?

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**Author:** ![Machine\_Elf](https://avatars.discourse-cdn.com/v4/letter/m/82dd89/32.png) [@Machine\_Elf](https://boards.straightdope.com/u/Machine_Elf)\
**Post date:** [July 16, 2019, 6:14pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/25 "2019-07-16T18:14:57Z")

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> [@Pleonast](#):
>
> Does any of this apply to electric cars?

The wheels and suspension don’t care what’s applying torque to the driveshaft. Could be a gasoline engine, an electric motor, or an enraged gorilla.

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**Author:** ![Gorsnak](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/gorsnak/32/7587_2.png) [@Gorsnak](https://boards.straightdope.com/u/Gorsnak)\
**Post date:** [July 16, 2019, 6:19pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/26 "2019-07-16T18:19:44Z")

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> [@EdelweissPirate](#):
>
> I’m betting your car is front-wheel-drive. What’s the year/make/model?

Heh. Note how I carefully stated “engaged the transmission” rather than “shifted into drive.” 🙂

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**Author:** ![EdelweissPirate](https://avatars.discourse-cdn.com/v4/letter/e/8491ac/32.png) [@EdelweissPirate](https://boards.straightdope.com/u/EdelweissPirate)\
**Post date:** [July 16, 2019, 7:31pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/27 "2019-07-16T19:31:01Z")

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I noted your phrasing, but it doesn’t answer my question. Why so coy?

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**Author:** ![Gorsnak](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/gorsnak/32/7587_2.png) [@Gorsnak](https://boards.straightdope.com/u/Gorsnak)\
**Post date:** [July 16, 2019, 8:49pm UTC](https://boards.straightdope.com/t/why-does-my-car-change-its-stance-when-i-load-the-driveline/837133/28 "2019-07-16T20:49:07Z")

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Um, the joke is that it’s a manual transmission and I was pretending to be too dumb to understand why I was stalling the engine?

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