The stuff I used to seal the block has worked . I did not have time to re do the sealing process prior to heading off on a rod run last weekend. As the leak was small I was not too concerned about water loss but took some with me just in case. Anyway the round trip was approxomately 650k and there is no sign of any coolant on the garage floor after 5 days. This stuff must have been doing its thing in the crack after it was flushed out.

Hang loose and enjoy the ride.

Brisbane Australia