The car us fairly new to me. Im hearing a slight ticking after startup when its cold. It goes away when warmed up. Is this normal or should I be concerned? My Crown Vic's Ive owned in the past never did that. I changed the oil a few days ago with 6qts of 5w20 Royal Purple and matching filter. A friend told me to add some zinc additive? I don't know about that. I heard that was bad to add additives to engine oil.


Anyway, here's a link to a youtube video I made of it.

 

its too hard to pick out a tick in that video, all i can hear is the air intake

 

Ok. Ill take another one tomorrow. Ive since switched cai's to an in the fender one.

 

thats the only way to go, the exposed under the hood intake is a hot air intake, all they suck in is hot radiator wash

 

Yeah, that's why I swapped it. Got a black SVE one from LMR for $80. The other one, Spectre, was already on the car when I bought it.

 

Here's a new video.

 

If it's not very loud, and goes away in a min or two, it's probably piston slap. It usually only does it when cold, mine doesn't do it on a warm motor. Search the 4.6 forum for "piston slap" Tons of fun reading on it.