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I think using an electric fuel pump, turning it off, running the fuel out of the carb bowl would be a very good idea.
While changing out jets today about 10% of the fuel evaporated right before my eyes, when I turned the engine off heat flowed up the intake runners to the carb its self and heated up the fuel pretty good.
I am thinking the fuel bowls holds some where around 100 to 120ml of fuel, not 200 like I was thinking. Next time I pull one of these carbs and dump the fuel (well I save it, remember I am too cheap to dump perfectly good fuel on the ground). Or when I install the electric pump and run it out of fuel before a jet change I will manually fill it back up and measure the fuel that goes in it to that normal level.
Every time I pulled the top of the carb off to change jets the level was at exactly the same place, so that is good.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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