Generally speaking the engine will be more like a 1979 or earlier US engine (the 80-81 had lambda controls). The car will be like a 380SE. There are various differenes like the pistons are different as the euro enfg has higher compression (or could). Some of the intake plumbing could be different.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician