# Car knocks real loud

**URL:** <https://community.cartalk.com/t/car-knocks-real-loud/3496>\
**Category:** Maintenance/Repairs\
**Created:** [August 22, 2007, 8:05pm UTC](https://community.cartalk.com/t/car-knocks-real-loud/3496 "2007-08-22T20:05:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![aturne](https://avatars.discourse-cdn.com/v4/letter/a/c67d28/32.png) [@aturne](https://community.cartalk.com/u/aturne)\
**Post date:** [August 22, 2007, 8:05pm UTC](https://community.cartalk.com/t/car-knocks-real-loud/3496/1 "2007-08-22T20:05:42Z")

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99 buick pk ave ultra supercharged having a hard time finding used supercharged engine will one without supercharge wk have found several of those

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**Author:** ![keith](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/keith/32/5518_2.png) [@keith](https://community.cartalk.com/u/keith)\
**Post date:** [August 23, 2007, 1:33am UTC](https://community.cartalk.com/t/car-knocks-real-loud/3496/2 "2007-08-23T01:33:53Z")

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No. The non supercharged engine has lower compression and beefier components.

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**Author:** ![aturne](https://avatars.discourse-cdn.com/v4/letter/a/c67d28/32.png) [@aturne](https://community.cartalk.com/u/aturne)\
**Post date:** [August 23, 2007, 9:22am UTC](https://community.cartalk.com/t/car-knocks-real-loud/3496/3 "2007-08-23T09:22:11Z")

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so are u saying i cannot change over to a non-supercharged engine???