I've been told that the older cams in the newer heads would be 10-20+ hp because they're profiled with lower emissions standards. And I suppose since the entire valve train assembly would have to get swapped, it'd be easier to just swap the heads. I havn't had a real close look yet, but do the injectors on both engines go into the the intake ports thru the intake manifold? or straight into the head? If they're in the intake manifold then that's very favorable. Any chance the injectors use the same bung??

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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