• I took the MiG into Sanspeed for a rolling road tuning session today to try and get to the bottom of the spontaneously ventilating piston.

    Bad news, no clue on why it went bang.

    Good news, I learnt some things, it now runs even better, I have quite a lot of my peace of mind back as the man in the overalls gave it a clean bill of health and ...

    ... it now has six more horses than when @BRM originally built the engine; 112bhp measured at the flywheel. Nice.

    I hope it doesn't go bang again.

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