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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 01-02-2015, 03:37 PM   #221
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quick update: I'm building my first 4-1 manifold using china flanges



















I also ordered another BP head from England
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diy "turbo no hit block" '00 BP miata-20150101_204141_zpsd0eac868.jpg   diy "turbo no hit block" '00 BP miata-20150101_204149_zps1d5b6a44.jpg   diy "turbo no hit block" '00 BP miata-20150102_131914_zpsa1eafb4a.jpg   diy "turbo no hit block" '00 BP miata-20150102_142526_zpsd685b4fa.jpg   diy "turbo no hit block" '00 BP miata-20150102_142548_zps7df2f41e.jpg  

diy "turbo no hit block" '00 BP miata-20150102_142554_zpsb965a94b.jpg   diy "turbo no hit block" '00 BP miata-20150102_201634_zpsc2cfb7ef.jpg   diy "turbo no hit block" '00 BP miata-20150102_201641_zpsbfec5d28.jpg   diy "turbo no hit block" '00 BP miata-20150102_201654_zpsd61d2a50.jpg  
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Old 01-03-2015, 12:41 AM   #222
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keep it up man, sick build. I never knew muffler can blow up like that.
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Old 01-03-2015, 04:24 AM   #223
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That manifold and collector look fantastic. Nice work.
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Old 01-03-2015, 07:56 AM   #224
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weld the 4-1 was a real pita, i hope is the hardest part...

before-after diameter:



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Old 01-03-2015, 04:46 PM   #225
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well, maybe it was the easyest part...











the T3 flange has to be ported, it will be the last thing before fit
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diy "turbo no hit block" '00 BP miata-20150103_194707_zps03bfcd50.jpg   diy "turbo no hit block" '00 BP miata-20150103_210951_zpse3cc0f1e.jpg   diy "turbo no hit block" '00 BP miata-20150103_210830_zpsf140b42d.jpg   diy "turbo no hit block" '00 BP miata-20150103_210850_zps6c0b3e9f.jpg   diy "turbo no hit block" '00 BP miata-20150103_210842_zps61f5a154.jpg  

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Old 01-06-2015, 07:07 AM   #226
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Old 01-06-2015, 10:15 AM   #227
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very cool

this is the way this manifold should have been built from the get-go
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Old 01-06-2015, 10:29 AM   #228
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Quote:
Originally Posted by 18psi View Post
very cool

this is the way this manifold should have been built from the get-go
Wouldn't have saved his engines though....
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Old 01-10-2015, 01:49 PM   #229
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not welded yet (except n1), just finished the root











and... finished!







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diy "turbo no hit block" '00 BP miata-20150110_111643_zps26ceeb3b.jpg   diy "turbo no hit block" '00 BP miata-20150110_111653_zps27bb4d00.jpg   diy "turbo no hit block" '00 BP miata-20150110_123924_zps02b355cd.jpg   diy "turbo no hit block" '00 BP miata-20150110_123928_zpse7cfea4d.jpg   diy "turbo no hit block" '00 BP miata-20150110_123935_zps399cb06c.jpg  

diy "turbo no hit block" '00 BP miata-20150110_182935_zps55f060df.jpg   diy "turbo no hit block" '00 BP miata-20150110_182940_zpsee2b1bc3.jpg   diy "turbo no hit block" '00 BP miata-20150110_182948_zps46510569.jpg   diy "turbo no hit block" '00 BP miata-20150110_182958_zps60d5afb3.jpg  
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Old 01-10-2015, 02:35 PM   #230
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Looks awesome. hope it holds up for you.
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Old 01-12-2015, 03:36 PM   #231
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well, it fits!



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Old 01-12-2015, 05:21 PM   #232
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looking good!
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Old 01-12-2015, 06:59 PM   #233
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From that angle it looks like it might touch the hood!
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Old 01-12-2015, 07:08 PM   #234
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Quote:
Originally Posted by sixshooter View Post
From that angle it looks like it might touch the hood!

I thought it too, but it have a little bit less of two inches of clearance actually
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Old 01-12-2015, 07:45 PM   #235
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Id be more worried about it clearing the valve cover vent.
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Old 01-12-2015, 07:47 PM   #236
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great work.

now mill the flanges which are likely both warped.
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Old 01-13-2015, 03:23 AM   #237
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Quote:
Originally Posted by Leafy View Post
Id be more worried about it clearing the valve cover vent.
Yes, I have to modify it with a 90 degree elbow, or something like that, it was too close.

Quote:
Originally Posted by 18psi View Post
great work.

now mill the flanges which are likely both warped.
I was thinking to cut the flange in four pieces and then shave to the machine shop. Is it a good idea?
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Old 01-22-2015, 02:04 PM   #238
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carnage pics soon
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Old 01-22-2015, 02:09 PM   #239
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Wait did that happen before or after working on this new manifold?
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Old 01-22-2015, 02:17 PM   #240
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I think he posted pics of the motor he blew with the old manifold already.
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