Match Race = 1968 Road Runner '383' vs. 1964 Belvedere '426-S' Street Wedge

Comparisons

* Cars ..........................1964 Belvedere 426-S 'Sedan' ........... 1968 Road Runner 383 'Coupe'

* Shipping Weight.......... #3465 lbs. ........................................ #3422 lbs.

The Road Runner is {43 lbs.} lighter. But that would make only a minor difference {-.05} in the 1/4 Mile.
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* Carburetor ............. AFB .................................................... AVS
* Model .................... #3611 ................................................ #4426
* CFM ........................ 575 .................................................... 625
* Throttle Sizes ........ 1.437" x 1.563" .................................. 1.437" x 1.686"

Advantage with the Road Runner. The Carter AVS {625 CFM} provided 'more' fuel than the Carter AFB {575 CFM}.

And the bigger Secondary {1 11/16"} provided more Top-End.

The Carter AFB {575 CFM} for the 426 Street-Wedge was woefully under-sized.