When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I am sure you have your reasons why so I wont ask why.
I would think the issue would be getting them both to read the cas and injector fuel and make spark at the right time. The stock ecu will throw a cel prob since it cant see the igntitor.