# Brown Coolant! F\*\*\*\*CK!!!!!

**URL:** <https://forums.speedlife.net/t/brown-coolant-f-ck/121081>\
**Category:** SON240sx Automotive\
**Created:** [January 12, 2009, 10:49am UTC](https://forums.speedlife.net/t/brown-coolant-f-ck/121081 "2009-01-12T10:49:03Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![tosh](https://avatars.discourse-cdn.com/v4/letter/t/58956e/32.png) [@tosh](https://forums.speedlife.net/u/tosh)\
**Post date:** [January 13, 2009, 1:45pm UTC](https://forums.speedlife.net/t/brown-coolant-f-ck/121081/8 "2009-01-13T13:45:32Z")

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> [@FS: Car part Garage Sale and full LS/VTEC SWAP w/ xtras!!!!](https://forums.speedlife.net/t/fs-car-part-garage-sale-and-full-ls-vtec-swap-w-xtras/18854/30):
>
> ^^^agreed
> 
> we do the same thing with our drag car every year. yet we only use water. coolant is not permitted. so we see extreme rust. takes a full day to get it all out before we turn the w/p on.
> 
> flush the system…realllllly good.

why can’t you use coolant?

peace

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