ticking

As the title states I have a “tick.” I thought it was just the exhaust manifolds as they were cracked. While that did fix the obnoxious startup tick, this one has persisted. In any videos I have captured it is hard to hear clearly. But in person it is pretty easy to pickup. Even with my carven...

Just this week after I decided to change over to 89 Octane from 87 I noticed a ticking noise start on the engine during idle once it is warmed up. It is not a constant noise, but every few seconds. I cannot hear it at any other time during driving or starting so hoping this is nothing to worry...