Thread: W126 engine swap 4.2 v8 to 3.0 inline 6
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  #11  
Old 01-16-2018, 07:50 PM
MB140300SD MB140300SD is offline
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Join Date: Dec 2008
Location: NE Oklahoma
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Installing a 103 would be a bad idea. You would probably have to swap the rear end also to get any sort of decent gearing. The 103 is way underpowered for the 126.
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