# 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:** 20\
**Page:** 27

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**Author:** ![Carnut](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/carnut/32/7590_2.png) [@Carnut](https://forums.speedlife.net/u/Carnut)\
**Post date:** [February 9, 2007, 8:53pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/521 "2007-02-09T20:53:17Z")

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fucking siq…this is why I love my job.

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**Author:** ![Nikuk](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nikuk/32/7254_2.png) [@Nikuk](https://forums.speedlife.net/u/Nikuk)\
**Post date:** [February 9, 2007, 9:03pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/522 "2007-02-09T21:03:51Z")

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> [@Violator](#):
>
> It was worth it.

:word: Nice work xtian.

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**Author:** ![ILCisDEAD](https://avatars.discourse-cdn.com/v4/letter/i/a87d85/32.png) [@ILCisDEAD](https://forums.speedlife.net/u/ILCisDEAD)\
**Post date:** [February 9, 2007, 9:47pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/523 "2007-02-09T21:47:06Z")

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> [@newman](#):
>
> …snip… bunch of fucking work

seems like everything almost comes in as pairs into the collector… what about a 6-3-1… seems like it would save a little bit of tubing and not as much of a cluster fuck at the collector, and it would leave that flange at the same place… but By all means your manifold looks like it would work perfect… and the difference you’d see from going 6-3-1 wouldn’t be noticed…

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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:** [February 9, 2007, 9:50pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/524 "2007-02-09T21:50:36Z")

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> [@ILCisDEAD](#):
>
> seems like everything almost comes in as pairs into the collector… what about a 6-3-1… seems like it would save a little bit of tubing and not as much of a cluster fuck at the collector, and it would leave that flange at the same place… but By all means your manifold looks like it would work perfect… and the difference you’d see from going 6-3-1 wouldn’t be noticed…

I looked into it, it’s actually harder because you have less distance to get the runners the same length.

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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:** [February 10, 2007, 8:08am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/525 "2007-02-10T08:08:28Z")

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I took a few minutes and made the collector pipes into flat patterns which i can print out on paper, wrap around a piece of straight pipe, then cut and grind:

QTY 2 up, QTY 2 down

 ![http://img.photobucket.com/albums/v516/ctnewman2/collector3.gif](http://img.photobucket.com/albums/v516/ctnewman2/collector3.gif)

QTY 2

 ![http://img.photobucket.com/albums/v516/ctnewman2/collector2.gif](http://img.photobucket.com/albums/v516/ctnewman2/collector2.gif)

 ![http://img.photobucket.com/albums/v516/ctnewman2/collector1.gif](http://img.photobucket.com/albums/v516/ctnewman2/collector1.gif)

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**Author:** ![drvnkd](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/drvnkd/32/109615_2.png) [@drvnkd](https://forums.speedlife.net/u/drvnkd)\
**Post date:** [February 10, 2007, 8:11am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/526 "2007-02-10T08:11:45Z")

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thats sort of how mine looked (with the exception of 4 pipes)  
but, mine came with lots of slag and some extra weld rod sticking out 🙂

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**Author:** ![nytrus1](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nytrus1/32/7302_2.png) [@nytrus1](https://forums.speedlife.net/u/nytrus1)\
**Post date:** [February 10, 2007, 9:38am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/527 "2007-02-10T09:38:54Z")

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Newman, that’s some nice work. I’m jealous of your CAD skillz.

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**Author:** ![boardjnky4](https://avatars.discourse-cdn.com/v4/letter/b/96bed5/32.png) [@boardjnky4](https://forums.speedlife.net/u/boardjnky4)\
**Post date:** [February 10, 2007, 10:07am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/528 "2007-02-10T10:07:21Z")

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is hybrid’s welder(matt i think) gonna be tig welding it?

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**Author:** ![double\_j](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/double_j/32/7380_2.png) [@double\_j](https://forums.speedlife.net/u/double_j)\
**Post date:** [February 10, 2007, 2:43pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/529 "2007-02-10T14:43:18Z")

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> [@boardjnky4](#):
>
> is hybrid’s welder(matt i think) gonna be tig welding it?

he could probably do it with his eyes closed.

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**Author:** ![4x4jimmy](https://avatars.discourse-cdn.com/v4/letter/4/51bf81/32.png) [@4x4jimmy](https://forums.speedlife.net/u/4x4jimmy)\
**Post date:** [February 10, 2007, 4:49pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/530 "2007-02-10T16:49:59Z")

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what program did u use to map that out?

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**Author:** ![woz](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/woz/32/7605_2.png) [@woz](https://forums.speedlife.net/u/woz)\
**Post date:** [February 10, 2007, 4:52pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/531 "2007-02-10T16:52:28Z")

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> [@4x4jimmy](#):
>
> what program did u use to map that out?

inventor

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**Author:** ![4x4jimmy](https://avatars.discourse-cdn.com/v4/letter/4/51bf81/32.png) [@4x4jimmy](https://forums.speedlife.net/u/4x4jimmy)\
**Post date:** [February 10, 2007, 4:53pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/532 "2007-02-10T16:53:58Z")

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bought the software, or just downloaded it?

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<div class="post-metadata">

**Author:** ![woz](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/woz/32/7605_2.png) [@woz](https://forums.speedlife.net/u/woz)\
**Post date:** [February 10, 2007, 4:57pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/533 "2007-02-10T16:57:24Z")

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got it from work i believe

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**Author:** ![4x4jimmy](https://avatars.discourse-cdn.com/v4/letter/4/51bf81/32.png) [@4x4jimmy](https://forums.speedlife.net/u/4x4jimmy)\
**Post date:** [February 10, 2007, 5:00pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/534 "2007-02-10T17:00:53Z")

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thx

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<div class="post-metadata">

**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:** [February 10, 2007, 8:03pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/535 "2007-02-10T20:03:36Z")

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> [@4x4jimmy](#):
>
> what program did u use to map that out?

it’s inventor, as andy said, but it’s not something you can just jump into. I’ve been using the program for about 4 years now, daily…

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<div class="post-metadata">

**Author:** ![Kramer](https://avatars.discourse-cdn.com/v4/letter/k/97f17d/32.png) [@Kramer](https://forums.speedlife.net/u/Kramer)\
**Post date:** [February 10, 2007, 8:16pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/536 "2007-02-10T20:16:34Z")

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dumb question, how do you benifit from keeping the header dumps equal length im asuming it has something to do with boost pressure

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**Author:** ![MPD47](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mpd47/32/7383_2.png) [@MPD47](https://forums.speedlife.net/u/MPD47)\
**Post date:** [February 10, 2007, 8:19pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/537 "2007-02-10T20:19:40Z")

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Slightly slower spool intially, builds quicker in the mid range, but it opens the gateway to infinitely more power on the top end.

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**Author:** ![Kramer](https://avatars.discourse-cdn.com/v4/letter/k/97f17d/32.png) [@Kramer](https://forums.speedlife.net/u/Kramer)\
**Post date:** [February 10, 2007, 8:29pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/538 "2007-02-10T20:29:45Z")

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> [@MPD47](#):
>
> Slightly slower spool intially, builds quicker in the mid range, but it opens the gateway to infinitely more power on the top end.

thanks

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<div class="post-metadata">

**Author:** ![4x4jimmy](https://avatars.discourse-cdn.com/v4/letter/4/51bf81/32.png) [@4x4jimmy](https://forums.speedlife.net/u/4x4jimmy)\
**Post date:** [February 10, 2007, 8:31pm UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/539 "2007-02-10T20:31:21Z")

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it looked familiar, thats why i was asking, i have very little machining experiance, but i work with guys that do it all day long. i stick to welding/fabricating, thats my job.

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<div class="post-metadata">

**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:** [February 11, 2007, 8:29am UTC](https://forums.speedlife.net/t/newmans-1986-bmw-326rb-build-thread/22123/540 "2007-02-11T08:29:17Z")

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> [@4x4jimmy](#):
>
> it looked familiar, thats why i was asking, i have very little machining experiance, but i work with guys that do it all day long. i stick to welding/fabricating, thats my job.

well, then you weld em, i’ll design em…

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