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OT, but Motorcraft carb. How do you test a black foam float?

October 3 2017 at 1:04 PM

Mike U.  (Login mtrain)

I've been trying to build the complete carbs left over from my late fathers carb shop, and so far I've been lucky as all the carbs I've rebuilt so far were brass floats.

I know how to test brass floats, just dip into boiling hot water, and check for bubbles. Bubbles in a brass float means a leak.

However, I don't know the test for black foam floats. I've got two Motorcraft 4bbl carbs from a 1973 bb Ford engine, and both have the neoprene floats.

I just need to check, then set the floats, and I will be done...........thanks.

This message has been edited by mtrain on Oct 3, 2017 1:09 PM

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