# car shakes at start?

**URL:** <https://forums.speedlife.net/t/car-shakes-at-start/109764>\
**Category:** SON240sx Automotive\
**Created:** [September 25, 2007, 2:43pm UTC](https://forums.speedlife.net/t/car-shakes-at-start/109764 "2007-09-25T14:43:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![rb26\_marco](https://avatars.discourse-cdn.com/v4/letter/r/2bfe46/32.png) [@rb26\_marco](https://forums.speedlife.net/u/rb26_marco)\
**Post date:** [September 25, 2007, 2:43pm UTC](https://forums.speedlife.net/t/car-shakes-at-start/109764/1 "2007-09-25T14:43:12Z")

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hey! i installed an sr in my car  
almost done now  
but i took it for a lil boot  
and 2 things  
#1 it doesnt go fast (but is building boost, as BOV is working)  
#2 when you first go from a stop posistion to a start posistion the rear end shakes like a mofo and then when your driving, its fine

what could this be?

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**Author:** ![Drews240](https://avatars.discourse-cdn.com/v4/letter/d/e68b1a/32.png) [@Drews240](https://forums.speedlife.net/u/Drews240)\
**Post date:** [September 25, 2007, 3:45pm UTC](https://forums.speedlife.net/t/car-shakes-at-start/109764/2 "2007-09-25T15:45:30Z")

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Did you do a compression test on the motor before installation? The drive shaft may need to be re-balanced if it shakes like that.

🆒

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**Author:** ![ReeZer](https://avatars.discourse-cdn.com/v4/letter/r/ad7895/32.png) [@ReeZer](https://forums.speedlife.net/u/ReeZer)\
**Post date:** [September 25, 2007, 5:03pm UTC](https://forums.speedlife.net/t/car-shakes-at-start/109764/3 "2007-09-25T17:03:32Z")

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did you take apart the engine and tranny and accidentally get grease on the clutch. clutch could be slipping