fuel pump will only run when ign on for few seconds to pressurise system and will only pump while cranking or eng running,this is normal. most likely cause is ign module or coil which are both in distributor.
What is a cranking system
My RV antenna binds when cranking it down
Yes, it has a cranking system called a starter.
mines stop cranking because of a blown head
This is assuming the vehicle is not cranking: A bad starter, Loose connection, bad battery cables, bad ignition switch, siezed engine, seized belt driven accessory, blown fuses. Just to name a few things.
There is no better, but 800 is more cranking power that 650.
check battery and alternator
910 cranking amps 700 cold cranking amps
cranking amps or cold cranking amps Group refers to its physical dimensions.
910 cranking amps 700 cold cranking amps
Group 34, about 600 cold cranking amps.Group 34, about 600 cold cranking amps.
most likely a failing starter