Street Demon or Edelbrock AVS2 or ?

MopaR&D said

In street applications they did. Holleys were available as part of the dealer performance packages and all of the racing setups used them spec'd from the factory. Max Wedges and Race Hemis were set up with Holleys. I have an MP engine "bible" and it specifies one of the first steps when modifying any setup for performance is putting on a Holley carb. That book is basically a compilation of official Chrysler performance bulletins from Chrysler engineers.

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Bewy can’t tune a Holley so keep that in mind.

For DECADES Holley and a host of others have vehemently taught the exact wrong way to tune the power valve circuit. Because of that, guys like Bewy call the power valve a curse when in reality it’s the best system going.

You can tune the main jet without affecting the power valve, and you can tune the power valve without affecting the main jet. Doesn’t work that way with a metering rod.

No one making power (unless rules makes them) uses anything other than a Holley.

Another myth (or lie depending on your mindset) is that the Carter/Edelbrock/Demon/TQ/QJ or any carb other than a Holley is “bolt on a go”. They are not.

Rule number one of testing is don’t condemn a part if you don’t do a full tune of the new part.

Trying to test two parts (or more) by just bolting them on is just magazine bullshit.