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

Bulent Aliev wrote:

Paul, from reading the old emails, I think my mistake is that I did not
connect the two ports under the oil filter. I'll work on it in the morning
and see how it goes.
Bulent

 
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