Clutch Housing Crack

[GPierce]

I have two clutch housings both with a crack in the same location.
I could not find anything on line about cracks in this location.
Both are cracked from the throw-out-bearing inspection cover outboard and up to the right side.
The picture is upside down.
One is all the way to housing flange the other is shorter. I stop drilled the shorter one and then used dye penetrate to check and see if I got the end of the crack stop drilled.
Are cracks in this location abnormal?

[Fullraceflathead]

I have a crack in my AA four-speed bell housing. I carefully cleaned the housing, followed the end of the crack and drilled the hole to prevent it from spreading. I believe mine was probably cracked from an accident from a previous owner. The bell housing was in near mint condition, which surprised me to find a crack. There’s virtually no wear in the bushings or on the clutch fork.
As long as you drill a hole at the end of the crack to prevent it from spreading.
I would not hesitate using it. You can see the crack in mine is much worse than the crack you have. The AA four-speed transmission is probably three times as heavy as the original three speed transmission.

[Y-Blockhead]

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Originally Posted by GPierce

I have two clutch housings both with a crack in the same location.
I could not find anything on line about cracks in this location.
Both are cracked from the throw-out-bearing inspection cover outboard.
One is all the way to housing flange the other is shorter. I stop drilled the shorter one and then used dye penetrate to check and see if I got the end of the crack stop drilled.
Are cracks in this location abnormal?

Interesting they both cracked in the same location. Now my OCD is going to make me go out and check the ones I have for cracks .