another total timing question

They make these things called books.
No way that ain't sarcastic. Denial is a Hell of a tool my man (its in the Bible!) Alright back to business: OP (I would suggest) set the initial with the vac gauge method. then get the FBO $25 plate & limit total to 35 (initial+ slots) then play with springs then plug in to ported & work with the can. IN ORDER. More info on springs/can how to later later