i keep seeing COBRA 70mm mass air sensors on ebay and every one of them says it has been calibrated for 19 injectors. i know the cobras had 24# and thats what i need. How do you calibrate one of these? I guess you cant use a C&L type sample tube to change. please help. or if anyone has a cobra mass air sensor that hasnt been F'ed with for sale, let me know.

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