Edelbrock Pro Flow 4

Nice write up. To answer your question, the larger the company, the less oversight/quality control is done. It’s just the nature of supply/demand.

Same reason Comp catches all the crap for cams going flat. They sell a million of them so can’t check every batch of cores that come thru.

You have to rely on your suppliers and they inevitably let you down as the same thing happens. Business picks up & quality goes down.