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I posted this is another thread but wanted to get more exposure here.
I know many people have replaced their older engines that were mounted using the bottom "blind" mounting holes. In order to mount another engine without using the blind holes, we would need to raise the engine up and of course fill the lower holes in the transom from the original installation.
1. How far do we need to raise the engine (how many holes) so we can use the lower mounting slots for the lower mounting bolts?
2. What are the measurements for the blind holes as compared to the drawing below?

I made a simple drawing of the standard BIA mounting bolt pattern.
I also added other holes above the lower holes which are 3/4" apart.

Can anyone tell me where in relation to this drawing are the blind holes located?
[img]http://www.whalercentral.com/images/Mounting_Bolt_Pattern.jpg[/img]

How far down from the top of the transom are the blind holes located?
How wide are the blind holes as compared to the 9 7/8 inches of the standard bolt pattern?