I'm undecided which path to take here.
The stock Paso set up (on mine, at least): tank -> petcock -> filter -> pump (electric) -> Weber
The stock Monster/SS set up (mid-late 90s): tank -> filter -> vacuum-operated petcock (driven by 1st inlet manifold) -> vacuum-operated pump (driven by 2nd inlet manifold) -> Mikuni fuel rail
I have all the parts for both setups. Since I'm converting to the Mikunis, my 1st thought is the Paso's stock pump could be replaced by the Mikuni vacuum-op petcock/pump system. This would eliminate one drain on battery, too.
My question: which is preferable in this situation? Electric pump -> carbs, or vacuum-op system -> carbs? Or a combination thereof? Tank -> filter -> vacuum-op petcock -> vacuum-op pump -> electric pump -> carbs (Although ... that sounds like serious overkill.)
As always, all thoughts & advice greatly appreciated.
? ). The mikuni's have a float valve to stop the flow of fuel once the float bowl is full ( remembering , as you have just discovered the fuel was never turning off )...... same as the weber , unless your float valves fail ( jammed open with dirt ...... hence the fuel filter 
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.....entertaining as ever! 
I love your sarcasm when you're off your meds...even if it is directed at me 
very helpful none the less. Keep up the good work bro
so if I ask some dumb questions along the way...I appologize 
) and , if I take the flash wrapping off my job description , Im a washing machine fixer , or rather was , now Im supported by ACC ( accident compensation corporation , a government enforced compulsory accident insurance , yeah it is a #ucken rip off ), but a crane Mmmmmmm that would be cool . The last personal experience I had with a crane was in 1980 when some of my co workers sneakily put the hook under the back of my safety harness , hoisted me up and then lowered my into a river and then a Gorse bush ( prickliest plant on earth ), and yes , you may infer from that my becoming a smartarse is not a recent event