All you need on the back of the block where the filter normally goes
is a bolted down flat plate With a groove that connects the two holes.
The groove can be made with a die grinder.

Or you can do what Ian did. Here are some pics.

Paul Lamar

Al Gietzen wrote:

That doesn't apply to third generation and 20B where the oil return is
to the filter block; unless you make for a different entry to the oil
gallery. I designed a bypass block for the 20B which I showed here about
6-months ago that handles the job, and provides ports for redrive feed
and a pressure or temp probe.

Only problem is the guy who machined them has apparently lost the
drawing.

Al

Yes. That is because the motor mount is down there I think. I forgot
Bulent is using a Cosmo engine probably with the same end housing as the 20B.

Best to return oil to the top of the front end housing in that case.
I think that is a 16 mm 1.5 straight thread for a banjo fitting in the
2nd gen turbo. I do not know what that opening is for the 3rd gen and 20B.

Paul Lamar

Here are 3 photos for you guys to suggest what I can use all the ports for?
Bulent

The pipe with a flange on the other side is the oil return from the turbo.

Paul Lamar
 
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