Well, very long story made short; the 1850 didn't work so I traded the guy back for the 3310. I decided to give it another go, but I swapped out the metering plate on the secondaries for a metering block I had, then tried to tune it better. At this point it had #65 jets in the primary. It was running real lean. I put some 68 jets in and it ran decent. I'll get a gauge and check my AFR and see if I need to go any different on it. Idles great and doesn't stumble much when you floor it. It's driveable!