You can usually hear a bad lifter in the drivers seat they're so loud, that sounds like the snap of an arcing spark. If she's in a garage run her with the lights turned out and see, or could be a header leak. Tighten all the bolts when she's cold.
Thanks for the fast response! I can Hear it in the car a little bit, But don't know if I'm Just being a wuus because of the 3,000$ I just spent. Heads Are Brand new. I did pound it during the test drive