Well then I would put them on Ebay.

A .40 that will turn a 10X6 APC @ 25,500 should be worth several hundred dollars, maybe thousands. There has never been one in the history of the world..two of them would be quite a treat!

Of course you know I'm kidding with you. But even if they were Rossi .60's and were mistaken for .40's they won't turn 25,500 with a 10X6..trust me.

It would be a stretch for the most powerful .90 sized ducted fan engine running on a tuned pipe to get even CLOSE to 25,500..

So whatever you have, rest assured it is not turning a 10X6 APC at 25,500.

Have fun