Peter Unwin is an unusual powerboat enthusiast. His heritage may hail back to the swinging 60s but his passion for performance propels his continuing exploits firmly into the future. This is the first part of Peter’s story …read all about it in our current issue!

Can I get a 5.3-tonne unstepped diesel pleasure boat with full weekend accommodation to run 80mph plus while still giving amazing fuel economy?

Starting with a clean sheet of paper enabled me to reduce the engine centres from 950mm to 800mm, allowing a higher X dimension and lower centre of gravity.

Many weekends were spent with an angle grinder and various other power tools, cutting out all the damaged areas.

At the end of 2013, the engines had completed around 1000 hours of very spirited use. It was time for a rebuild.