Check your belt cover sometimes it looks like is on the right way but is not and also check you belt play and tensioner try moving it with your hand.
Sounds like the heat shield on the catalytic convertor or the muffler has broken free on one of the mounts and is rattling from the increase in R.P.M.'s.Dont rule out Knocking. try some higher octane fuel or some octane boost.
the devils marbles were formed 50 million years ago
Usually , marble contains several other minerals besides calcite. Others such as hornblende and serpentine give it a black or green tone. Hematite makes it red.
The address of the Marbles Kids Museum is: 201 E Hargett St, Raleigh, NC 27601-1437
He will have 13 blue marbles and 10 green marbles.
10 Green marbles, 13 Blue marbles.
He has 10 green marbles.
There could be 12 white marbles and 16 red marbles
at least 39 blue marbles
8:6
12 blue marbles
24 red marbles