I'd rather not run a 12v vacuum pump honestly. Plus I don't have a stock shutoff valve so I'm going to look into an inline solenoid like you said. I guess as long as it is post filter there won't be a huge amount of fuel left.

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1994 Isuzu Trooper OM617/W56/2.28 toy doubler
Dana 44 front, lockright / Ford 8.8 Ox locker 4.56s
...In progress