I did a compression check on it and numbers 2 and 3 cylinders had no compression.
He had the head pulled and the head was warped and he is doing a rebuild.
My question is, how the heck could the pulley flange fall off, and has anyone else heard of this happening?
The car had been running fine for years.
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Close inspection of the water pump bearing and shaft will tell more about what happened i suspect.
I have never seen it happen, but when building engines using old pulley flanges I have found flanges that were not the right interference fit occasionally due to wear over the years.
A popular modification is to fit the pump with a larger diameter shaft and stronger bearing from later Fords and the pulley bored out to accommodate this larger shaft if this was not done correctly you could also get this problem.
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