Um, ....never heard of running 5 carbs on a 4-cylinder.

 

unless you mean a new "carb bank" all four of them i wouldent know why you would just replace one of them

 

My badd. i meant barb bank.

 

Eyeball, there's more to it than simply "adding a new rack of carbs." What do you want to accomplish? (I know, I know, more horsepower, go faster, etc.) If you go changing carbs, you'll need to twiddle with the jets and needles. I think the '94-'97's had 38 or 39mm OE carbs, and the 98-on had 40's. Many guys think they can go larger on carbs and do nothing else. It's all air/fuel/spark in the right mixture. If you increase the air inlet or fuel inlet flow, it must "balance" with the spent air/fuel mix and on the outlet flow. (Precisely why you typically need to re-jet when you install that Super-Duper-Flo exhaust.) That's the BEAUTY of carburetors versus fuel injection; it requires a human to get the mixture right. (I get nostalgic about analog versus digital photography, too.)
IF you acquire/want to install a new "rack" of carbs, stay on this post and update us; we can get you through it. I don't mean to insult you in any way (very sorry) but bigger carbs are not always better. They WILL flow more air but must also flow more fuel.
And, I have admittedly done as much on my '95. Be forewarned: your fuel mileage will go to CRAP if you like the world above 8K. Ask me how I know.