Just tried out the mechanic's stethoscope I bought to see where the ticking sound is coming from...

IT'S THE FUEL INJECTORS

A very clear ticking sound that gets louder and faster as you rev,

What do I do???

They're new injectors installed last year, do they need to be adjusted or something?

I know, stupid question. Did you check your plugs to make sure they are tight? Did you put the good gas in?
Other than that maybe take a look at the lifter?

Get some lucas injector cleaner... maybe some junk got in there... are you one yo run your fuel down to below E before you refill?
As long as you are positive it is coming from the fuel rail and not a rocker arm

Injectors tic, even on stock fuel systems. The fuel additive quieted mine down. I add the oil additive when changing the oil. Hope it helps

what does it look like now? BiYatch?

Changing the brand of gas and adding a healthy dose of marvel mystery oil seems to have helped a little bit, it sounds a lil quieter, hope it stays!!

marvel mystery oil — Bud

That shit is the BOMB!! I have it and use it on rifle bolts and its magic stuff. Never heard of putting it auto oil, but I bet stuff has way less friction.

Where did you run across this product...its not that well known, I believe. I mean, its not a common household item, right?

Looks like a kick ass car. Sometimes mufflers or catalytic converters can make noise. I used Cata-Clean no more noise.