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Old 01-07-2018, 04:32 AM
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Join Date: Nov 2013
Location: San Mateo, CA
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Early OM617 T4 adapter

On New Year's Day, I went to the Sacramento PNP to pull the W115 longrunner intake manifold from a 75 NA 300D that had recently arrived.
I was able to pull it, and 3 hubcaps as well.

I was surprised to see that it had a T4 turbo installed at some prior time in its history.
There was an aftermarket cast iron T4 adapter attached to the standard exhaust manifold (617 142 00 01).
There are no visible markings on the T4 adapter.
It has a pyrometer probe.

Attached to the T4 adapter is an unmarked cast iron T4 turbine housing with an unmarked cast iron block-off plate secured with a V-band clamp.

I also pulled the exhaust manifold, the T4 adapter, the T4 tubine housing with block-off plate, and downpipe exhaust flange.

I imagine someone on the forum may need some of these parts.
Send me a PM if you need any of these parts.

Attached Thumbnails
Early OM617 T4 adapter-img1390a.jpg   Early OM617 T4 adapter-img1391a.jpg   Early OM617 T4 adapter-img1392a.jpg   Early OM617 T4 adapter-img1393a.jpg  
79 300SD 'Stormcloud' new as of 10/22/2017
78 300SD 'Desert Rose' new as of 01/26/2014
83 300SD 'Rena 2.0' with engine from 82 300SD 'Rena' (SOLD & crushed 11-20-2017)

Last edited by Alec300SD; 01-07-2018 at 04:33 AM. Reason: typo
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Old 02-08-2018, 12:38 PM
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Join Date: Aug 2010
Location: Sacramento, CA
Posts: 2,550
I don't know the W115 engines. It looks like the 6-bolt flange on the exhaust manifold is factory and perhaps normally bolts to an exhaust down-pipe. The turbo adapter looks like a volume part since it surely wasn't cast in someone's backyard. Neat that it angles the turbo, so must have been carefully thought out, so fits better than when people shoe-horn an OM617.952 turbo engine in. Perhaps a factory turbo option or after-market option for special vehicles like police. Certainly valuable since once one has the T4 flange, many turbos can fit and the rest of the plumbing is relatively straight-forward.
1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans
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Old 02-08-2018, 01:34 PM
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Join Date: Sep 2010
Location: 2021 - The Great Florida Count-down
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PM Sent
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Old 02-08-2018, 02:52 PM
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Join Date: Sep 2012
Location: Wilmington, NC by the Atlantic ocean
Posts: 2,447
THAT is a great find - some days you get lucky! Whoever gets this - I use Tim's Turbos in Falls Church, VA and he can hook you up with the rest of whatever it takes to make that a useful turbo.


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