Did all 428 SCJ Mustangs equipped with "V" code 3.91:1 rear end gears come with a Ford "Traction-Lok" differential?

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Starting in 1969 Ford began offering an optional 3.91:1 gear ratio that used Ford's Traction-Lok differential, which used a clutch pack for quiet, streetable rear wheel locking under hard acceleration in a straight line. Order this option and you also got a 428 SCJ engine!