yeah, im thinking it sounds like a 3.5 desil... ive decided to do the seafoam treatment. got 3 miles on it so far. will do an oil change in 497 miles, if its still tapping, its going in for valve adjustment, ugh. hoping the seafoam will clean it out though, which im sure it will, but not sure it will stop tapping. could have probably used the cleaning anyway.
keep the replys comming though. it sounds like theres alot of valves needing adjusted.......lol.
thanks peeps,
david