Miata Turbo Forum - Boost cars, acquire cats.

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-   -   ETD shorty turbo manifold crack *&^%$# (https://www.miataturbo.net/diy-turbo-discussion-14/etd-shorty-turbo-manifold-crack-%2A-%5E%25%24-81053/)

JasonC SBB 09-20-2014 08:37 PM

ETD shorty turbo manifold crack *&^%$#
 
Would this be fixable or not?

When I got it I wanted to slot the flange. Some people said all those who slotted it got a crack. Well I guess it cracks whether or not you slot it.

18psi 09-20-2014 08:38 PM

pic

JasonC SBB 09-20-2014 08:38 PM

2 Attachment(s)
https://www.miataturbo.net/attachmen...1&d=1411259902

Erat 09-20-2014 08:54 PM

Welds never break, just the heat affected zone.

Sure it can be fixed. Clean it out, bevel it out / grind out the crack. Weld it back up.

JasonC SBB 09-22-2014 11:47 AM

Nobody else chiming in?

18psi 09-22-2014 11:50 AM

yes, it can be fixed. take to competent tig welder and it shouldn't take more than 30 min

JasonC SBB 09-22-2014 12:07 PM

1 Attachment(s)
So why would the ETD using schedule 40 weld-els crack, and this ARTech mani not?:
https://www.miataturbo.net/attachmen...ine=1411402054

Or this ABSURDflow one?:
http://www.absurdflow.com/miata/begi...eplacement.jpg

18psi 09-22-2014 12:13 PM

artech mani's have cracked before
so have ABSURDflows
and a wittyworks manifold
All got repaired/re-welded and went on their merry way.

its just how it goes with an un-braced/supported tubular on a BP. how many miles is on yours? I'm pretty sure it's lasted you quite some time now

Braineack 09-22-2014 01:41 PM

how's your exhaust mounting? do you have a flex pipe? is it attached to the tranny?

JasonC SBB 09-22-2014 03:02 PM

I have the FM exhaust brace which braces exhaust next to the cat, to the PPF.

Downpipe has flex joint (BEGI dual pipe, custom for ETD mani)

About 20k - 25k miles on it, and only a few track days, first one at 15 psi (was 10 psi).

y8s 09-22-2014 03:44 PM

Curious: stainless or mild?

JasonC SBB 09-22-2014 04:47 PM

Mild


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