Odd sound at the track today

[pilot4fn]

Originally Posted by Anker

Its the front motor mount. When it gets worn and under strong acceleration, the exhaust makes contact with the chassis and gives exactly this rattle. It could also be one or both transmission mounts.

Thanks Anker,
The transmission mounts could be a good suspect, since those have not been replaced ever. Those do not have any leaks yet, but are old - probably do not have the qualities left like new ones.