James,
Too much copper grease can find its way out You would only need a light smear of grease. I would suggest reducing the
amount of grease straight away.....
That was a waste of your money........
Unless you are getting an up rev, it won't do jack.
As Wasso said, but check to see if you have pinched the rubber oil filler collar underneath the plenum.
You should have said you wanted to throw a few hundred pounds away. i would have been straight round to yours