Originally Posted by Rossco

That motor was pinged, boost spiked to 29psi, belted on skid pans, flogged at Collie & taken to 8500rpm regularly.......Not a single piston 'fatigue' failure.... In fact it would not die!

These motors actually had real forged pistons.

If any model is going to suffer metal fatigue in it's pistons it will be the EJ255/Ej257 hyper crap chocolate pistons......

EJ207's just love 12.4:1 Afr's on boost haha!