Quote Originally Posted by hobizoli View Post
IMHO spark advance was tooo agressive and engine was on the detonation limit - this is why this 1.4litre was over 300BHPs, torque comes from spark advance timing

in the yellow PGT we had changed the engine twice in a half year for the same reason, cylinder wall broken same like this
this is an common open deck block failure, with highly tuned engine
Should've used X19 block...