or, you could turn all the logic around like some people are fond of doing and make the opposite conclusion.
Dax's engines aren't good enough for Opti 2...
sorry, couldn't resist...
without doing a full scientific analysis on your motor, how do you know it was caused by Opti 2? could've been something else.
BUT, for the sake of argument (and i love
arguments) let's say it was Opti 2.
that makes 1 engine out of allll the rest on this forum.
that's a good track record.