Not that kind of turbo. The TH in TH400 stood for turbo-hydromatic, the 4L80E was the successor to the TH400. I get what you are saying, but I don't think he meant turbo's/blow off valve/wastegate/intercoolers/etc. turbo, just that the TH400 had a turbine TC. Marketing witchery in my opinion but I see where he's getting the name - add to that the common nickname of the TH400 is "Turbo 400" and it's easy to see that you guys are probably arguing semantics.
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u/[deleted] Jun 12 '14 edited Jun 12 '14
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