![]() It claimed equal downforce to the tail from a big decklid lip and small spoilers in front of the rear wheels. The 1970 Pontiac Trans Am wore the same impact-absorbing snout as other Firebirds, but Pontiac said its unique front air dam and fender air extractors created 50 pounds of downforce on the nose at expressway speeds. The interior had a seriously sporty ambience. The Pontiac Trans Am's padded Formula steering wheel directed quick 12.1:1 variable-ratio power steering. Standard 10.9-inch power front disc brakes and 9.5-inch rear drums did the stopping. Stiffer springs and heavy-duty front and rear sway bars teamed with Polyglas F60X15 tires on Kelsey Hayes Rally II wheels. The padded Formula steering wheel directed quick 12.1:1 variable-ratio power steering. The 1970 Pontiac Trans Am's road manners received much attention. Both came with 3.55:1 gears, and a 3.73:1 was available with the four-speed. A four-speed transmission with Hurst shifter was standard the Turbo Hydra-matic automatic was optional. Rarer still was the Ram Air V, an over-the-counter, special-order piece that counted among its tricks solid lifters and tunnel-port heads for as much as 500 horsepower.Īll these engines breathed through a new rear-facing shaker scoop designed to capture cool ambient air flowing over the hood. That one added bigger ports, better heads, swirl-polished valves, and an aluminum intake manifold for 370 horsepower, 25 more than in '69. ![]() ![]() ![]() That apparently satisfied most buyers, because just 88 of the 3,196 Pontiac Trans Ams built that year got the optional Ram Air IV. The 1970 Pontiac Trans Am's standard engine, the 345-horsepower Ram Air 400-cid V-8, furnished low-14-second elapsed times at the dragstrip. ![]()
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