# 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:** 94

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### Author: ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)
#### Post date: [December 27, 2006, 11:01am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/94 "2006-12-27T11:01:18Z")

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> [@walter](#):
>
> Pitch diameter on a BSPT 1"-11 thread is ~1.25", Minor Diameter is ~1.19"

yeah, but the hole is already 1.25, so the minor diameter must be larger than that for the taper to engage. Also, I am not about to shell out the 300 dollars for the tap. LOL.

I think we are going to braze it.

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