# Newman's 1986 BMW 326rb build thread.

**URL:** https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123
**Category:** Builds
**Created:** [December 25, 2006, 8:54pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123 "2006-12-25T20:54:54Z")
**Posts on this page:** 1
**Showing post:** 698

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### Author: ![66impalass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/66impalass/32/7429_2.png) [@66impalass](https://forums.speedlife.net/u/66impalass)
#### Post date: [March 1, 2007, 10:34am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/698 "2007-03-01T10:34:47Z")

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Uhm wrap is used as a thermal barrier, you can use it to

a)keep heat in hot things  
b)keep heat out of cool things

since energy is going from areas of high potential to low potential

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