Carter Thermoquads ~ 'More General Information'

Bewy said

4bbl,
Must be some sort of mis-communication here. I never asked, or mentioned, ABs in the CS carbs. You did. .

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I'd suggest taking one of the CS carbs out of your collection, measuring everything, and comparing it to the 72-up carbs. Epiphany still strike. There's a good reason those later carbs are $50-$100 each on Ebay.