FYI. It was the 342 Rinker.

http://www.pmyvoyaging.com/boattests/0403rinker342/

--
Keith & Laura Koether
Pleasure Island
Blue Ribbon Marina, Hogan's Creek
Ohio River Mi. 497 RDB
http://thebayguide.com/rec.boats/koether.html

"Jim and Becky" wrote in message
...
I saw a comparison in a boating magazine last fall.
I didn't get a chance to read it all but essentially a new boat was
offered
in Inboard or I/O configurations.
It was perhaps a 28 foot Regal or Rinker twin screw.
Same engines yet the I/O had a top speed 10 mph higher than the straight
inboard.
Does anyone remember this aricle? I believe it was on the front page.
Is this difference in speeds common and why?