Hi mate, yes I hope to have it up and running by Sunday the most annoying part is hat this engine has only done 6k
The engine I built was made form all new parts, piston, crank, and rods.
Still puzzled to quite why if failed the only thing I can think of is I may of bent a rod at some stage??? , As about a month ago I had a problem with the Amal valve which blow apart coming back from a show, driving down the 4M. The first I knew about it was when over taking, foot hard down, the boost went off the boost gauge 30+ psi the engine wasn't keen on the idea, it faltered and held back.
Limped the home as it would not idle, fixed the valve and all has been fine until now
Strange though I thought it would of let go sooner as I have done"hard" 1200 miles since the Amal valve problem

cheers

Steve