Carb part number questions

#1
I have a coleman 2250 watt generator, 5 hp briggs motor with the pulsajet carb setup.

What I want to do is change out the carb for a gravity fed like the flojet so that I can mount a larger tank to the top of the frame the generator looks like this:



but what I want is something more like this one:


i need to be able to use the governor so the engine provides the right rpm for the generator head. what all do I need to get?

I'm going to use something like this for a tank:



I did find this tutorial and I wonder if it would work for a pulsajet engine:

How to add an aux fuel tank to a generator | eHow

what do you guys think?
 
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