I Have got 2 possible second hand cylinder heads for my 1990 V6 4.3 and wonder if you have any tips about testing it for leaks?
So far I have come up with 2 ideas:
1) Acetone test in waterways
2) Let my head reconditioning company test it
Here are pics of one head:
So far I have come up with 2 ideas:
1) Acetone test in waterways
2) Let my head reconditioning company test it
Here are pics of one head: