Just thought I'd put up the pics of my nicely cleaned up intake manifold and cleaned up and painted exhaust manifold.

Biodiesel soaking and a brass brush can do wonders. Power washed everything to get the most stubborn dirt out. Due to the EGR valve, there was about 2-3mm thick carbon layer in all of the intake ports. I had flakes of carbon that were inside there.

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'82 300D (project)
'46 Willys (project)
"Nothing seems to be the way it should in this garage." -jt20
"Smarter than an engine, dumber than a hoodlatch..." -jt20
"Start jumping up and down to smoosh down those engine mounts" -DeliveryValve
"no" -kerry
"At this rate, you may have it done by winter" -layback40