Ken Sperry could give you real dates.
He sent me a GM Air Flow Manual many years ago and we discussed when GM
first started using flow benches.
He is involved with a company that puts on presentations.
https://www.technical-insights.com/E...VDs-EADVD1.htm
If you have a spare $300 maybe he can help you out HIS, on how airflow actually works and when GM Engineering had their first Flow Bench.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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