NO, certainly not.
I'm not aware of any oem application like that, but there are adapter manufacturers such as Advanced Adapters or similar that might be able to help.
It would make no sense. A properly built 4L60E or TH400 can handle more torque than the Allison is designed for, and is a lot lighter, too. An Allison 545 weighs almost 300 lbs. The Allison is also not designed to turn at the RPMs a gas V-8 can run at. It's designed for slow-revving diesels.
no
No, they will not.
1995 chevy 1500 , 350 v8
no
No.
Yep
NO it will not FIT.
NO. Not even close.
Yes it will, if the 350 intake is from a pre-1987 engine.
No, Not even close.
NO.
Yes it will.