72 340 Duster Bellhousing bolt size locations?

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NJ Duster

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Old Bridge, NJ
It is a 734 bellhousing and the threads are shot. Especially the holes that bolt to the block.
I need to retap them but I dont know which holes are 3/8 and which are 7/16.
Anybody have a diagram or if you can mark them on a pic for me.
Thanks
 
Are you referring to the Starter bolts or the two lower, outer holes that go through the block into the bell housing? I think those lowers are 7/16 course but I will have to look when i get home.
 
Are you referring to the Starter bolts or the two lower, outer holes that go through the block into the bell housing? I think those lowers are 7/16 course but I will have to look when i get home.

I figured it out. All the threaded holes are 7/16 and 5/16 for the dust cover holes.
All the holes are chased and now its ready for paint. Thanks
 
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