You got me digging further... 42 is front wheel drive trans. GC has (I think?)a 45RFE (or later 545RFE). Made good progress getting it out today. Parts store lists spin on filter and valve body filters... Have not found the spin on filter yet, will need to trace down the cooling lines.

Scott B. "I'm a self-made man... I started with nothing, and I still have most of it!" 68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph 69 340 GTS stock 14.18@ 95.60 mph 01 5.9L Ram 1500 Quad Cab 4x4 01 3.5L 300M 16.23@ 86.97 mph