Help will not run
It started right up ran for 30 seconds or so but not more than a min. The oil pressure was starting to climb nicely then it shut down and will not re fire.
There is 60 PSI fuel pressure
Starter spins motor over.
Definitely fuel in the cyl's can smell when plugs are pulled
Getting a back fire through the intake
Does any one have Ideas? seems like a timing issue so I am thinking CPS but not to sure. The Timing was set dot to dot and the motor spins freely. Im stumped and in a rush to finish this off. PLease help
No codes and the grounds all check out to be good.
Im stumped. I am running a stock program for now as i am still in the stage of getting it running.

