elcome to the most crucial of all my fabrication page, the exhaust manifolds. 

There's a lot of things that go into a exhaust manifold, just like a down pipe.  A lot of details are needed for clearances, including the turbo size, position, and other items in the engine bay like the radiator, fan, a/c and power steering.  Not only does the manifold make everything else work together, you have to make the manifold with 100% precision.  Failure to measure things correctly, gap the joints correctly, and even weld the piping with the correct heat, could mean a cracked manifold within weeks.

Here is the first manifold I made.  For a local friend and his accord, i started off with basic measurements and didn't realize what a pain it would be to make until later.  After a few trial and errors, i got the manifold to where it needed to be.  It was made to bolt up to a Saab T-series turbo manufactured by Garrett.

Here's the second manifold I made.  I made this one for my personal use on my civic.  I fabricated the manifold (what we call a Log manifold) to use a DSM turbo (in this case, a T25). Originally I made the manifold to use the internal gate of the turbo.  Later, I added the external waste gate (Tial) to control boost more accurately.

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: : Seat Time : :  August 24th, 2008
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