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Heads?... Block?... It's an ipsy / dipsy question.. Usually, if the valves are bent, the probability of damaged pistons is high... I realize you don't always see the damage to the top of the pistons, but if you think about it, it takes a lot of force to bend the valves. Don't forget,,, the pistons are aluminum and the valves are steel.. After having spent the $'s for replacement heads, you may find the block is damaged and now you're out more money...
Advice.. Super clean the piston heads and inspect them with a magnifying glass for cracks.. Very small cracks... Especially where the valves hit... If you see ANYTHING abnormal about that area,,, Replace the engine... It's cheaper in the long run.
Heads?... Block?... It's an ipsy / dipsy question.. Usually, if the valves are bent, the probability of damaged pistons is high... I realize you don't always see the damage to the top of the pistons, but if you think about it, it takes a lot of force to bend the valves. Don't forget,,, the pistons are aluminum and the valves are steel.. After having spent the $'s for replacement heads, you may find the block is damaged and now you're out more money...
Advice.. Super clean the piston heads and inspect them with a magnifying glass for cracks.. Very small cracks... Especially where the valves hit... If you see ANYTHING abnormal about that area,,, Replace the engine... It's cheaper in the long run.
