Quote:
Originally Posted by aotte1
Going to do this NV4500 install using stock bell housing, as outlined in this thread. This is a very helpful discussion. Below are starting photos. This application is 1966 GMC Suburban 4WD, divorced 221 TC. Bell housing is newer version. First photo is from thread. Circled holes are of interest as to how deep they can be. General rule on thread strength is, if they can be threaded as deep as diameter, then they will hold. In this case 1/2 bolt, with 1/2 thread depth will hold bolt strength. Also, will likely face top two holes.
Again, thanks to Leon for sharing this information.
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No problem on posting the thread.
I'm not 100% sure but I think I drilled those top holes deep enough that they were all the way through the mounting ears of the transmission and starting to break through the back side. I didn't want to drill them deep enough that the drill would start pulling to the side and egg the hole out. The threads were pretty much the full thickness of the transmission ear.
LockDoc