The 'Quickest' A-Body Small Blocks

EL5DEMON340 said
71 thermoquad is 800cfm and a much better intake .

Much better Intake,

Be more specific, instead of using a generalization.

What inquiring minds want to know >

__________________________'1971' 340 Intake ____'1968' 340 Intake

* Throttle Bore Sizes
* Plenum Size
* Plenum CC Volume
* Height
* Port Size
* Runner Length
* Heat Crossover Passage Size