Re: hairline crack in block....help!

Posted by fredkanter On 2016/10/13 10:55:07

As these cars age and have gone through thousands of heating/cooling cycles this has become more common. My GUESS it's just happens, nothing lasts forever. Of interest is that it's in #8, most distant from water pump and perhaps the hottest. Yes there's water in the area to cool the valves via the water tube which has been covered in many posts.

Suggestion: Remove the rear most freeze plug and probe downwards 1" to the bottom of the water jacket. If it's full of rust , that may be your problem.

I have a '52 I'm working on, crack from a middle cylinder. Had it welded by a specialty welder experienced with cast iron, then bored and sleeved.

Good luck