If it is a high milage car this is not uncommon. try an oil additive like lucas oil stabilazier and see if that quiets it down.
SOURCE: loud ticking sound from engine
Check the valve clearance and then replace the valve seal.
I’m happy to assist further over the phone at https://www.6ya.com/expert/ramy_d9e7ebea3891f482
SOURCE: loud knocking or tapping sound when engine is cold
Take our oil pan off from under your car and there should be 4 to 5 covers over a rod bearing. wiggle each one of them and find out which one is loose. take that cover off of the one that is wiggling and get the rod bearing out. order a new one from auto zone and replace it. The knocking in your motor can end up where you will need a whole new motor. so get it done before its to late.
SOURCE: very loud tick coming from drivers side, dodge
on the 5.7 this could be normal as the vehicle has roller lifters. the noise (tapping sound ) resinates down the exhaust and always sounds louder on the drivers side. Hope this helps
SOURCE: Loud lifter noise
Over time and miles the lifters tend to collapse and the only way to quiet the noise is to replace them or use something like lucas to try to keep the pressure up in the lifters. If you did replace the lifters it would help with performance because when the lifters start to collapse the valves do not open all of the way. Hope this helps!
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