this is a long shot, I know. anyone know where to find something like this?

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Have you tried a lab supply company such as Thomas Scientific?

I would suggest that such small quantities (<1.0 ml), you might want to measure volume by weight.

Carburetor Accelerator Pump Discharge Measuring Vial
PN 000.721.025.10



https://www.partsklassik.com/p-2136-carbure...harge-vial.aspx

http://www.autoatlanta.com/Porsche-Glass-A...0072102510.html

Thanks, you guys! Is this site the greatest or what? Got a glass one on order along with the air flow meter. Learning to tune carbs.

I had figured I'd make a vial using a plastic syringe and widening the top. Still may do it just to see.

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have two of them guess too late