I've installed a complete 2.1 from a European import Syncro with 2.1 exhaust, ECU, intake, dizzy, wiring harness, and cooling system. The wiring harness took a little work despite the fact that my engine is a DJ code WBX with a Digijet engine control system. As you may know Digijet is also used on the 1.9, but the harness uses 2.1 type connectors. 

Chris.

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Dnia May 12, 2012 o godz. 12:46 Paul <wognacious@GMAIL.COM> napisał(a):

> I'm considering putting a 2.1 under the lid where my 1.9 currently resides.
> My question is what stuff is interchangeable, if any, or do I need to get
> things like all new exhaust and what about the cooling system, wiring
> harness etc. Any insight would be greatly appreciated. Time is running out
> for my 1.9 and I would hate to have to deal a catastrophic breakdown on
> some highway, or lowway for that matter.
> TIA,
> Pablo
> 85 Westy