are 47re autos weak?

I really don't think they are a POS like previously stated. they are built for the power level of the engine in front of them. That said especially the diesels are very easy to bump up the power and then the trany fails and its a POS. also mid 90's automatics the lockup in the converter were basically paper clutches that was a problem that if overheated the "clutch" material would start coming apart and get in the fluid lines and valvebody and then the failures began. Also now days 100k on a vehicle is low millage but in the 60's few of them made it to 100k before being scraped.