change oil/filter; air filter, check all intake &connections, clean; fuel filter, prime from inlet. check that water/coolant is good. as long as you have fuel @fuel pump you should be ok; good batt; i guess your ready to crank over; if she starts up let idle,(if you have turbo), its not a bad idea to let idle for 1-2mins, the rev up some and get her warm, after a few mins take for a drive; if everythings in order otherwise. i d throw in lubromoloy + seafoam to a full tank. as far as the motor sitting crooked it may be a problem, mounts and drivetrain may bind, ?needs new motor mounts?.