Start off and watch the tachometer. You start off in 1st gear so it you see if shift 3 times you have a 4 speed, and if it shifts 4 times you have a 5 speed. The RPMs will drop at every shift point. But you may have a 4 speed with overdrive. If so you will have a button to turn the overdrive off.
Yes it will.
YES.
if its a 4.3 its a 700r4
That would be a 4L80E Transmission.
That would be the 4L60E transmission.
Yes it will bolt right in there with no problems.
Yes it can if you have all the parts.
It doesn't have a dipstick for the automatic transmission.
Believe it is the 6.5L with a 400 turbo transmission
Throughout the years the manual trans and auto trans half shafts have always been different. I haven't looked up your specific car, but I doubt it would work.
DEXTRON AUTO TRANS FLUID
Yes unless the 700r4 came behind a 2.8