Hello I'm new here first post now about my problem I have a 2000 mustang gt with the 4.6 it has 144.000 I'm having a tick coming from the engine it's a constant tick that gose with the rpms it dose it anytime the engine is on need help don't know if this helps but it dose burn a little oil and every now and then will smoke on start up I'm thinking that is the valve guide seals