So I have a 1985 Chevy k10 with a brand new blue print crate motor I can’t make heads or tails of the issues it’s having truck will start up idle fine choke turns off and it will start popping out of the left exhaust and shut off restart it and will sit there idle fine then do the same thing again can’t set the idle any lower then 1300 rpm if you do it dies can some one please help