you haven't given enough info what year make model V8. But the short answer is yes with the right adapter plate you can basically mate up any tranny to any engine.
Yes it will bolt right up to it.
4L60/E l
The fuel lines around the filter; you will need an adapter.
.043
.43L. 1000ml=1L
It should be on the front of the intake manifold directly above and behind the water pump.
Don't know what year you have but some sensors are temperature sensitive and you should run a 195 degree thermostat.
43L of 18-k gold
There is one before and one after the catalytic converter.
The EGR valve on your Astrovan is on the backside of the intake manifold just under the throttle body attached by two bolts. After installing a new gasket be sure and torque the BOLTS to 17-18ft lbs or the NUTS (if yours has studs) to 15ft lbs)
0 degrees,should say right on the fan shroud on the same sticker that tells the spark plug gap. In order to time it correctly you must unhook the esc electronic spark control wire which is a tan wire with a black stripe located under the black cover on the passenger side firewall. It may set off a service engine soon light. When your done timing it unhook the battery cable and the light should go out.
There is no adjustment required, but you can clean it with a carb cleaner.