Remember the 6 engine are nt very quite had 3/4 different engine all had abit of a different noise to them
check for potential oil leaks,loose spark plugs can make them run on 3 cylinders and sound god awful.
Also see how it sounds when you rev it's if it clears could be somthing simple if it s taps then it may be a hg issue

check for potential oil leaks,loose spark plugs can make them run on 3 cylinders and sound god awful.
Also see how it sounds when you rev it's if it clears could be somthing simple if it s taps then it may be a hg issue
![[Image: Cn91r40h.jpg]](http://i.imgur.com/Cn91r40h.jpg)
Astor 6 Fast road/track project