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The Tempest line received another facelift for the 1970 model year.   Hidden headlights were deleted in favor of 4 exposed spherical headlamps outboard of narrower grille openings. The nose preserved the projected vertical bow theme, though it absolutely was less outstanding. whereas the quality Tempest and autoimmune disorder Mans had chrome grilles, the GTO preserved the Endura ester cowl round the headlamps and grille. The suspension was upgraded with the addition of a rear anti-roll bar, primarily identical bar as used on the Oldsmobile 442 and Buick grandmother Sport. The front anti-roll bar was slightly stiffer. The result was a helpful reduction in body lean in turns and a modest reduction of understeer. Another handling-related improvement was optional  variable-ratio steering mechanism.   Instead of a hard and fast magnitude relation of seventeen.5:1, requiring four turns lock-to-lock , the new system varied its magnitude relation from fourteen....

The 1969 model. The 1969 model eliminated the outside door vent windows, had a small grille and lamp revision, stirred the key from the dashboard to the steering column (which latched the wheel once the key was removed, a federal demand put in one year previous schedule), and also the gauge faces modified from blue to black. additionally, the rear quarter-panel mounted facet marker lamps modified from a red lens formed just {like the} Pontiac "V" crest to 1 formed like the broad GTO badge. Front outboard headrests were created commonplace instrumentality on all GTOs engineered when Jan one, 1969. The engine. The previous economy engine and commonplace 350 HP four hundred Criminal Investigation Command V8 remained, whereas the 360 HP (270 kW) 400HO was upgraded to the Ram Air III, rated at 366 HP (273 kW) at five,100 rpm. the highest choice was the 370 HP (280 kW) Ram Air IV, that featured special header-like high-flow exhaust manifolds, high-flow cylinder heads...

General Motors redesigned its A-body line for 1968, with a lot of busty, semi-fastback styling.   The distance was shortened to 112.0 in (2,845 mm) on all two-door models. Overall length was reduced five.9 inches (150 mm) and height born [*fr1] an in. (12 mm), however overall weight was up concerning seventy five avoirdupois unit (34 kg). Pontiac abandoned the acquainted vertically stacked headlights in favor of a horizontal layout, however created hidden headlights accessible at further price. The hid headlights were a well-liked choice. The signature hood scoop was replaced by twin scoops on either facet of a outstanding hood bulge extending rearward from the jutting nose. A unique feature was the body-color Endura front bumper.   It had been designed to soak up impact while not permanent deformation at low speeds. Pontiac touted this feature heavily in advertising, showing blow at the bumper to no discernible impact.[13] although a rare choice, a GTO may well ...

The GTO underwent a number of styling changes in 1967.   The louver-covered tail lights were replaced with eight tail lights, four on either side. Rally II wheels with coloured lug buggy were additionally offered in 1967. The GTO emblems set on the rear a part of the fenders were affected to the chrome rocker panels. additionally the grill was modified from a strictly split grill, to at least one that shared some chrome. The 1967 GTO came in 3 body styles:  machine( Hardtop ) – sixty five,176 created  Convertible – nine,517 created  Sports automobile – seven,029 created The GTO additionally saw many mechanical changes in 1967.   The Tri-Power carburetion system was replaced with a Rochester Quadrajet four-barrel carburettor. The 389 engine received a bigger cylinder bore (4.12 inches, 104.7 mm) for a complete displacement of four hundred CID (6.5 L) V8. The four hundred cu in engine was offered in 3 models: economy, standard, and high outpu...

The Tempest line, as well as the GTO, was restyled for the 1965 model year, adding 3.1 inches (79 mm) to the general length whereas holding a similar distance and interior dimensions. It had Pontiac's characteristic vertically stacked quad headlights. Overall weight enhanced regarding one hundred avoirdupois unit (45 kg). The lining space enhanced nearly V-J Day . heavy-duty  shocks were commonplace, as was a stronger front antisway bar. The dashboard style was modified, associate degreed an optional  rally gauge cluster ($86.08) side a additional fair measuring instrument and pressure gauge. a further possibility was a breakerless junction transistor ignition. The 389 engines received revised cylinder heads with re-cored intake passages and high rise intake manifolds, rising respiration.   Rated power enhanced to 335 HP (250 kW) at five,000 revolutions per minute for the bottom four—barrel engine; the Tri-Power engine was currently rated 360 HP (270 kW) at...

The first Shawnee GTO was associate degree possibility package for the Shawnee Tempest, offered with the two-door automobile, hardtop, and convertible body designs.   The US$295 package enclosed a 389 capacity measure (6 l) V8 rated at 325 bhp (242 kW) at 4800 revolutions per minute with one Carter AFB four-barrel mechanical device and twin exhaust, chromed valve covers and filter, seven-blade clutch fan, a floor-shifted three-speed manual transmission with Hurst shifter, stiffer springs, larger diameter front sway bar, wider wheels with seven.50 × fourteen single out tires, hood scoops, and GTO badges. nonobligatory instrumentation enclosed a four-speed manual, Super rotary engine three hundred two-speed transmission system, additional powerful "Tri-Power" carburetion (three two-barrel Rochester 2G carburetors) rated at 348 bhp (260 kW), gold drum brakes linings, limited-slip differential, heavy cooling, ride and handling package, and therefore the usual array of...