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From: "John Slade" <sladerj@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Exhaust port sizes
Date: Fri, 30 Dec 2005 19:08:28 -0500
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Rotarians,
I need to buy or fabricate a T04 exhaust manifold with a 46mm external
wastegate flange to fit my '93 3rd gen engine, TAil wastegate and T04-50
Turbonetics turbo. I'm considering one of the items below to at least form
the pattern to work from. I may have to "cut & paste" to move the turbo
location or angle, and these manifolds are made in 301 stainless, which may
not be up to the task.

My question is this - are the exhaust ports / bolt pattern for the 2nd and
3rd gen engines identical? Up to now I've been using a 2nd gen turbo and
manifold and it fits fine, so I think they must be.

Anyone have a suggestion for a good source for the manifold I need?
Happy new year, everyone.
John (2006 - "year of the rotary")

LINKS:

http://cgi.ebay.com/ebaymotors/Mazda-RX7-13B-FD3S-3rd-Generation-Turbo-Manif
old_W0QQcmdZViewItemQQcategoryZ33742QQitemZ8024781423

or

http://cgi.ebay.com/ebaymotors/FC3S-RX7-13B-Super-Turbo-Manifold-T4-1986-199
2_W0QQcmdZViewItemQQcategoryZ33742QQitemZ8024843238