[M_a_t_t]

It seems they can be difficult to find if available. I have checked for a few of the engines in my cars and found nothing. If I didn't find anything for mine within like 30 minutes I gave up. I didn't see much practical use for it so it was just a curiosity thing, which is why I gave up so quickly.

Also to be clear, that is just something I was thinking of and have never tested or verified. I think it makes sense though.