For my 79 wagon, I'm fairly certain I have a valve (stuck and/or bent)problem. I picked up an 81 wagon (cheap, rusty and needs work to be a dd ). I originally planned on doing the entire drivetrain swap along with the climate control to get away from the servo but now I'm considering just the head.

I've discussed the problem at length in another thread. It is an intermittent problem where I will have no power, lots of smoke one day then the next day it will act as if everything is normal. PO did a compression test and found the #5 cylinder very low. I assume the test was done when the issue was present but don't know for certain.

Since I have the old York a/c compressor and the servo for climate control it would be an intensive swap...doable but all in all the NA has enough power for my daily needs so perhaps I'd cut down on the time involved if I could just swap the heads and solve the problem.

I'm assuming the answer is yes for a turbo head on a NA engine and no for a NA head on a turbo engine but thought I'd double check.

Thanks!

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2009 ML320 Bluetec
1985 300CD
1981 300TD

Past Mercedes
1979 300TD
1982 300TD
2000 E320 4Matic Wagon
1998 E430
1984 300SD
1980 300SD