My first thought was maybe I wasn't using high enough octane gas. FPE said he had customers running them on coleman fuel which is only 80 octane. He thinks the problem might be the coil. He is going to send a new one priority mail, so I should know in a few days.

FPE support seems to be pretty responsive. I talked to someone very knowledgeable and he's helping out immediately. I hope the coil is the problem.