IF you scroll about two thirds of the way down the article, the owner gives a timeline of their ownership. Including his mom driving to work as a third grade teacher!!!
On down toward the end it covers all the modifications pasted below. Sure sounded like a 10 speed transmission in the film!!
Both the ‘558 and ‘559 cars shared identical build specifications. Upon purchase, the cars were prepared by Max Balchowsky for the use in the Bullitt (1968) movie. These modifications included: Borg-Warner T-10 heavy- duty four-speed manual transmission, heavy- duty Borg-Warner clutch, 390 ci engine built by Balchowsky, milled heads, carburetor and distributor modification, 4:10 Positraction rear end, heavy-duty universal joints, 5-ton motor mounts, reinforced shock mounts, cross beam support bar, Helwig stabilizers front and rear, Koni shocks, heavy-duty coil springs, frame reinforcements, American Racing mag wheels, Dunlop 5:00 M-15 racing tires on the front, 5:75×10:40 15 Firestone GP Indy Tires on the rear, custom exhaust and a Shelby-type steering wheel.
