jrvinnh, hopefully your still alive to read this. Your idea while valient in thought is probably the single dumbest idea I’ve heard in the automotive repair trade. That vacuum cleaner your attavhing to the exhaust isn’t chemistry lab grade equipment and has sparks that your going to be passing highly volatile chemicals past thus creating a blast. In chemistry labs the motorized part of their vacuums is isolated from the impeller so no solvents are exposed to the sparks. I hope no ones attempted your idea but would love to hear how it went or didn’t.
No pun just hoping to prevent a catastrophic situation from blowing up in someone’s garage.
Bobster