23-05-2022, 06:48 PM
The problem of the block cracking on the centre stud is well known. However it is possible that the crack has progressed into n°3 bore, which is serious and you're not going to sort it with loctite, gasket goo or radweld. If that's the case, then the best cure is to have it sleeved. Either that or find a decent replacement block.
If you can clean up the top of one of the pistons you should be able to see whether your block is STD or oversize, and by how much.
If you can clean up the top of one of the pistons you should be able to see whether your block is STD or oversize, and by how much.