Just a flat plate of steel to cover the hole with a couple holes and a
fitting threaded or welded in to attach the line. A little gasket material
and silicone and it's done.
Mike
----- Original Message -----
From: "Jim Cathey" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <[EMAIL PROTECTED]>
Sent: Thursday, May 04, 2006 9:43 PM
Subject: Re: [MBZ] 4cyl diesel engine/air compressor conversion
How about getting the compressed air from the exhaust port? No, it's
not really compressed, but the volume flowing into a tank should
result in some compression --- the exhaust stroke is an "up stroke"
after all.
Then the engine will die from the back pressure.
I do not see this, how is it different than a compression stroke?
If you were willing to live with cutting up the exhaust manifold,
and with <50% pumping efficiency you wouldn't need to modify the
engine at all, other than capping the exhaust port with one of those
unloader-type pressure regulator valves and routing the injector
line to the fuel return system.
A natural plan would be to put a 616 exhaust manifold on a 617
engine, I think it would fit on the front four. Then you wouldn't
even need to cut and weld the manifold, though you would need to
come up with something to cap the freed hole.
-- Jim
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