Ebay GT45 + 5.9 Magnum + E85 blow thru

I built a new cold side to clean it up, plumbed the meth injection to the compressor housing and took it for its maiden voyage. Starts right up, cruises well but I’m still getting sync loss issues I need to root out before I put it under any load.
6CE9BE18-89BF-4F29-8012-3BCBE82FE8D6.jpeg