hello , i have a 99 club wagon with a v-10 , drove it around with 4 quarts for bout 2 months , i topped it off to 6 quarts , and it also has a aftermarket oil catch can ,so it keeps throttle body oil free , when i drain can it has beige sludge coming out , my question is i hear a ticking or clicking sound at start up then goes away in bout 5 seconds , should i worry?

 

also van has bout 100k miles