# VLSD Rearend  Question?

**URL:** <https://forums.speedlife.net/t/vlsd-rearend-question/81425>\
**Category:** SON240sx Automotive\
**Created:** [August 12, 2004, 12:10pm UTC](https://forums.speedlife.net/t/vlsd-rearend-question/81425 "2004-08-12T12:10:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![papapump](https://avatars.discourse-cdn.com/v4/letter/p/8dc957/32.png) [@papapump](https://forums.speedlife.net/u/papapump)\
**Post date:** [August 12, 2004, 12:10pm UTC](https://forums.speedlife.net/t/vlsd-rearend-question/81425/1 "2004-08-12T12:10:10Z")

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I have a 1990 240sx Fastback 5 speed and I want to do a vlsd rearend swap. I was told there are three different gear ratios and a speed sensor. What ratio should I choose, and is the speed sensor only for automatics?

Any input would be greatly appreciated.

P.S. I heard I will also need a new driveshaft, is that true?[/b]

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**Author:** ![Original\_Nutta](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/original_nutta/32/5474_2.png) [@Original\_Nutta](https://forums.speedlife.net/u/Original_Nutta)\
**Post date:** [August 12, 2004, 12:28pm UTC](https://forums.speedlife.net/t/vlsd-rearend-question/81425/2 "2004-08-12T12:28:35Z")

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Posting a quesion twice won’t get more replies. The Technical section is checked very regularly. Thanks.