Posted by Joe Kriz on 04/05/09 - 7:12 PM
#2
The holes are actually spaced 3/4 inches apart.
Not sure about 15' models but take a look at this article.
http://www.whalercentral.com/articles...icle_id=82
You may need to go up 2 holes which would be 1 1/2 inches up.