Sadly it sounds like rod or main going out, and the shake also points that way... but could be a injector...
Now you need to crack each injector line at the injector one at a time and see if you can narrow it to a cyl...
But me thinks you should be looking for a motor...
Now you need to crack each injector line at the injector one at a time and see if you can narrow it to a cyl...
But me thinks you should be looking for a motor...