I took the mechanics word for it. It wasn't my motor and I didn't see
it in action . He did explain how and why he was doing it.

How did you measure the horsepower?

Roger

http://home.insightbb.com/~derbyrm

"Drew Dalgleish" wrote in message
...
a few years ago I was shown how to turn a 5hp merc into an 8hp motor
just by nbolting the exhaust manifold rotating it 180 degrees and
reinstalling it.