If you mean 3.8 Litre engine, the answer is 200 horsepower, from the factory. 225 lb/ft of torque.
on the crank behind the front cover
One of the best places to start could be a dealership. If you don't want to go that route you can always look it up using a Haynes or Chilton repair manuals.
Where was the leak coming from? the coolant has some pathways that go to the intake. that's to warm up the air.the most important question is where the coolant was leaking from?
Open the fuel filler door and remove the gas cap, put your ear to the filler neck and have someone turn the ignition key to the on position. If the Fuel pump is operating you should hear it buzz or hum for about 3 or 4 seconds. If you hear it buzz or hum it is working. But it does not tell you if you have the required fuel pressure to start the vehicle. A fuel pressure gauge attached to the service fitting on the fuel rail will give a fuel pressure reading. I left Chevrolet in 1998 but I believe the fuel pressure should be around 45 to 65 psi.
it's located on the firewall right in back of the intake
Not very easily if at all, and why would you want to?
A haynes manual...
They always blow the head gaskets between 70 and 100 thousand miles.
3.8 litres is fractionally more than 1 US gallon.
You can safely put 2ml into the 10l aquarium
there should be a sticker under the hood of the car that tells you what the gapping should be. .60