falconsix Posted February 8, 2007 Share Posted February 8, 2007 Has anyone ever replaced an LS400 engine with that of an LS430 engine? I have a 1991 LS400 and was wondering if it has ever been done and if so, is it a drop in affair? Will the LS430 trans have to be swapped as well? What other mods will be needed? Your input would be greatly appreciated! Falcon6 Quote Link to comment Share on other sites More sharing options...
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