Hello I have a g35 swapped 350z(prev owner did the engine swap) and I have a problem. It is a ticking sound coming from underneath the car (sounds stronger from there)and I have oil and all fluids are good. I was running 5w30 but switched to 10w30 because a friend of mine recommended it to make sure it wasn't the engine or sum like that. The noise reduced significantly but still hear it here and there,performance hasn't gone down or anything. It's a stock car and my daily driver . Any ideas??

 

Make a video, post to youtube, put the link here. It's hard to imagine what this ticking actually sounds like without hearing it.