haynes repair manuals are good but you can go to autozone.com and they have online repair manuels as well it a good site for a lot of information on repair work.
on the crank behind the front cover
Not very easily if at all, and why would you want to?
If you mean 3.8 Litre engine, the answer is 200 horsepower, from the factory. 225 lb/ft of torque.
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.
Remove fan blades... Remove alternator Remove water pump Remove the timing cover. Mark the location of the camshaft in relation to a spot on the engine block so you can line it up correctly. Unbolt the top gear from the camshaft (DO NOT SPIN THE CAM). remove the gear and the chain will come off with it. Put the new chain around the cam gear, slide it onto the crank gear and then slide it back onto the camshaft (it's keyed and notched, so you should be able to line it up with your chalk mark. scrape the block and sand down to the metal where the timing cover meets the block. do the same to the timing cover. apply RTV sealant and get the new timing cover gasket, then put the cover back into place and replace the bolts... Replace the water pump gasket using the same scraping / sanding / rtv method as above and install the water pump. Install alternator and belt, tension the belt properly. You should be good to go... You'll probably need to re-time the engine as the old chain I'm sure had some flex in it.
Well, the transmissions are interchangable, so your good there. But if you put a 3.3l in youll have to change the ECM because they have different settings for the 3.8 and 3.3. So if you change the ECM I think youll be ok. My email is RPplayer73@aol.com
it's located on the firewall right in back of the intake
The mass air flow sensor is located in the throttle body housing on the 3800 engine. There should be 4 screws that hold it down to the housing. Once they screws are removed, the sensor lifts off of the throttle body.
3.8 litres is fractionally more than 1 US gallon.
A haynes manual...
They always blow the head gaskets between 70 and 100 thousand miles.