Ok when driving at low throttle around town im getting a loud knock/rattle from what sounds to be my driver side bank. It sounds like really loud diesel compression sounds like on a big rig. But when i get on the throttle it clears up till i let out of it and then i hear it loud again... I cant tell if its valves, turbo bearing, piston slap, or what? I fear major engine damage tho and I only run a 90hp tune. Wish I could let yall hear the noise