I have found a few people online who have done it. I just checked BBD, but that wasn't the place apparently. I would suggest calling Art Carr and ask for testimonials. I'm sure he has a lot. You keep bringing up the hp concern. It's not a concern. He builds them to all levels. Check his website if you want, or you can call and speak to him directly, which is better. The man knows his stuff.
http://www.cpttransmission.com/