Yes, its another Ebay Manifold question - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-28-2007, 06:07 AM   #21
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i guess i will be buying another manifold pretty soon here huh? i have an ebay manifold for a 1.6....where can i get another one that will hold? top mount?
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Old 10-28-2007, 01:04 PM   #22
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Quote:
Originally Posted by neogenesis2004 View Post
Ask begi if their's is ac/ps compatible. If it is then I would say this one is too.
Why wouldnt it be? the turbo sits in the same place as the log manifolds.
The only difference is with the downpipes, the orientation of the downpipe flange changes, so if you order a downpipe to use with the tubular manifold youre gonna have to tell him that.

From the reading that I have done, these tubular manifolds are prone to cracking just because of their design. All that weight that has to be supported is too much for the welds and constant heat cycling. The only way to make it last is to brace the whole thing. If you look at the pictures from Begi's installations you can see that they use a brace to support the downpipe with the tubular manifold.
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Old 10-28-2007, 05:26 PM   #23
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I will soon be trying this and i will report back with my results. I will brace it like no tommorow.
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Old 10-30-2007, 03:58 PM   #24
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Default Ok, well 0 post count can't make new thread.

Anyone know the person selling this?

at a glance it just looks like yet another ebay manifold only with a T3 flange and external wastegate.

But if I'm wrong then

http://cgi.ebay.com/ebaymotors/Miata...spagenameZWDVW

Last edited by Preluding; 10-30-2007 at 04:00 PM. Reason: Forgot to post link.
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Old 10-30-2007, 04:10 PM   #25
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it's a typical ss autochrome manifold.


see markp's ghettocharger.
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Old 10-30-2007, 04:11 PM   #26
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I hate how the wg only vents cyl 4. Aside from possible boost control issues, I'd be curious to know if high backpressure from 3 cylinders + low backpressure from cyl 4 has any long term ill effects.
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Old 10-30-2007, 04:19 PM   #27
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Isn't Y8's manifold like that, with the WG on runner 4. he doesn't have boost control issues.
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Old 10-30-2007, 04:36 PM   #28
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Yeah, I know the boost control can be dealt with, was more interested in my theory that 1-3 are more loaded than than 4, and if that has any real world consequences.
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Old 10-30-2007, 04:45 PM   #29
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Quote:
Originally Posted by Ben View Post
I hate how the wg only vents cyl 4. Aside from possible boost control issues, I'd be curious to know if high backpressure from 3 cylinders + low backpressure from cyl 4 has any long term ill effects.
No boost control issues, worked perfectly. Remember all are loaded equally... Gases flow in the path of least resistance.

Mark
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Old 10-31-2007, 12:22 PM   #30
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Thanks!
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Old 10-31-2007, 02:03 PM   #31
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Sorry bud for the 16g kit your only option is custom. FWIW with some bracing mine seems to be lasting pretty well. Do a search i have posted numerous pics of my setup.
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