# My motor options

**URL:** <https://forums.speedlife.net/t/my-motor-options/186522>\
**Category:** PittSpeed Automotive\
**Created:** [November 30, 2006, 12:54pm UTC](https://forums.speedlife.net/t/my-motor-options/186522 "2006-11-30T12:54:06Z")\
**Posts on this page:** 1\
**Showing post:** 29

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**Author:** ![Turbo\_Silverado](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbo_silverado/32/5990_2.png) [@Turbo\_Silverado](https://forums.speedlife.net/u/Turbo_Silverado)\
**Post date:** [December 3, 2006, 8:21am UTC](https://forums.speedlife.net/t/my-motor-options/186522/29 "2006-12-03T08:21:27Z")

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> [@wtb: only have like 2500](https://forums.speedlife.net/t/wtb-only-have-like-2500/26153/8):
>
> but be extremely careful with the current LS7 blocks avaible. theres a reason they are so cheap compared to the “New and Improved” LS7 blocks. to use one you should have them magnaFluxed and the blocks throughly cleaned. to remove all the casting material and dirt out of the block. the dirt and casting material is wiping out some bearings on the LS7s

the dirt u speak of is in crate motors, not bear blocks

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