The 'Quickest' A-Body Small Blocks

Performance Based On,

Cars equipped with 3.91 Gears and E70 x 14" Tires.

Trickeration

* 1965 ~ '273 Commando' cars were equipped with a 'hollow' Flow-Thru Muffler.
* 1965 ~ 4-Speed cars were equipped with a Hurst Shifter.

* 1965 ~ Barracuda '273 Commando' 4-Speed cars weighed in at #2927 lbs., as per Registration.
* 1965 ~ Barracuda '273 Commando' Automatic cars weighed in at #2896 lbs., as per Registration.

* 1966 and 1967 ~ 4-Speed cars were equipped with an Inland Shifter

* 1968 ~ '340' 4-Speed cars {early-Production} were equipped with an Inland Shifter.
* 1968 ~ '340' 4-Speed cars {late-Production} were equipped with a Hurst Shifter Mechanism

* 1968 ~ '340' 4-Speed cars were equipped with a 'special grind' Camshaft
Advertised Specs > {.445"/.456" Lift ~ 284*/292" Duration ~ 60* Overlap ~ 114* Centerline}

* 1968 ~ '340' Automatic cars {early-Production} were equipped with 'special grind' Camshaft
Advertised Specs > {.430"/.445" Lift ~ 276*/284* Duration ~ 52* Overlap ~ 114* Centerline}

* 1969 and later '340' cars were equipped with the 'standard' 340 Camshaft
Advertised Specs > {.429"/.444" Lift ~ 268*/276* Duration ~ 44* Overlap ~ 114* Centerline}