OM Exhaust Manifold Thread
OM Exhaust Manifold Thread
Here are pictures of various 617 exhaust manifolds I've collected and thought it would be useful for some to see the differences. If there are any more variations please post them.
EGR Turbo Manifold
1978 Non-EGR Turbo Manifold - top vs 1984 EGR Turbo Manifold - bottom:front view (Notice single runner on rear exhaust ports - on left.)
1984 EGR Turbo Manifold - top vs 1978 Non-EGR Turbo Manifold - bottom : top view
1978 Non-EGR Turbo Manifold - top vs 1984 EGR Turbo Manifold - bottom: back view
N/A Manifold from 1978 w123 300D
1978 N/A Manifold - left vs 1984 EGR Turbo Manifold - Right
EGR Turbo Manifold - Top vs N/A Manifold - Bottom: top view
EGR Turbo Manifold - Top vs N/A Manifold - Bottom (Notice dual runners for rear exhaust ports): front view
EGR Turbo Manifold - Top vs N/A Manifold - Bottom: back view
N/A Manifold from 1975 W115 300D - Exhaust ports 1, 3, & 4 are exit the top port. Exhaust ports 2 & 5 exit lower port.
N/A Manifold from 1975 W115 300D: Back view
N/A Manifold from 1975 W115 300D: top view
N/A Manifold from 1975 w115 300D- left vs N/A Manifold from 1978 w123 300D
W115 N/A Manifold - Top vs Non-EGR Turbo Manifold - Middle vs EGR turbo Manifold - Bottom
W115 N/A Manifold - Left vs w123 N/A Manifold - Middle vs EGR turbo Manifold.
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