Chevrolet Cavalier Camshaft Lifter Noise

My 2003 Cavalier Ls Sport Is Making A Loud Noise It Sounds Like A Lifter Knocking The Noise Is Coming From The Top Of The Motor And It...

When Car Is Idiling It Is Fine With Just A Little Noise And Then When You Accelerate Motor Past 2000 Rps Motor Starts Getting A Tapping...

Was Passing A Truck On A Hill And The Trans Downshifted From 4th To 2nd And The Engine Red-lined (half Way In The Red) For A Couple Seconds...