knock/ticking sound from top of engine
 

hello guy, we all know how it goes, once you fix one thing on your ride, another breaks down and needs fixing..so im back at it again. now that i have the car running there is this ticking sound coming from the top of the engine. what happened was that, as me dad was trying to "diagnose" why the car was running muggy he reved the engine pretty high for a couple of times, after the third time the ticking/knocking sound started. i dont know what a rocker or lifter sounds like so i want to make sure before i start pulling stuff off. the sound reminds me of a diesel truck, if anyone gets what i mean. thanks for the help.

If I had to guess from what you just wrote you wouldnt like the answer

how about going to youtbe and searching for a video that sounds like it

man i really hope its not that bad..ill make a video once i get home and will post for you guys to check out.

this is what it sounds like..its that weird ticking, it seems to be coming from the front because of how i recorded it, but it sounds more like the top, idk..any thoughts?

2000 chevy blazer engine knocking/ticking - YouTube

bent pushrod
Or worse.. bent valve

the fun just never ends haha..ill start looking into the process of getting this fixed. ill let ya guys know how it goes.

Guess I better cover all the bases. I hate being wrong. COULD also be collapsed lifter. Or pulled rocker stud. Whatever.. it's in the valvetrain assy

TEACHABLE MOMENT:

NEVER EVER rev someone else's engine anywhere near redline.

I've done it to myself.. I'd be really pissed if someone else did it..
Riding with buddy in his 57 chev 327. His clutch tended to slip. He started another test run and it REALLY slipped, so he got mad and just kept it floored.. I yelled for him to stop and he didnt.

I yanked my feet up on the seat just before the clutch blew and ripped the bellhousing to pieces.. he didnt have a scattershield..
He was lucky. His feet stayed intact. Just put a single gash in the hump but the tranny was hanging nose down .

My BorgWarner T10 4 Speed, that he'd just begged me to borrow a week before.
Of course he never gave me a single dollar for the parts to fix it.

OMFG STOP REVVING IT! lol That just drives me crazy hearing that sound, sorry.
Pull the valve covers, that's the place to start.
Hopefully it's a bent pushrod but the WHY it's bent could be much worse. Possibly a collapsed lifter like petty said that caused a pushrod to get bent. Rare but possible or who knows, any number of things, stud let go, spring broke, rocker broke...

hahaha no its cool, i just wanted to make sure you guys heard the sound..