commercial copying, redistribution, use or publication by you of any such Engines built after March 15, 1973, used a darker blue, indicating the revised emission control system. The 455 was discontinued at the end of 1976. (The Model J designation used previously on base models was dropped.) The base models came with a 250 CID six-cylinder that was now rated at 100 horsepower, down 10 from the previous year. Pontiac was in a particularly tight bind, as its marketing strategies in the late '60s depended on street performance, and that notion had placed it firmly in the crosshairs of several groups bent on making the world safe from the evils of Ram Air and four-on-the-floor. That is 'fast' for classic car period. The same class cars with similar kind of fuel, power and type of transmission: 1973 Maserati Indy America 4200 North America 4.1-litre / 252 cui191 kW / 260 PS / 256 hp (DIN), 1973 Maserati Indy 4200Europe 4.1-litre / 252 cui191 kW / 260 PS / 256 hp (DIN), 1973 Dodge Charger Coupe 400 V-8 4-bbl. The automobile-catalog.com website is only for the on-line view using the internet browser. without speed governor)The same class cars with similar kind of fuel, power and type of transmission: 1973 Maserati Indy America 4200 North America 4.1-litre / 252 cui191 kW / 260 PS / 256 hp (DIN) 1973 Maserati Indy 4200Europe 4.1-litre / 252 cui191 kW / 260 PS / 256 hp (DIN) 1973 Dodge Charger Coupe 400 V-8 4-bbl. And you know a thing or two about value. 1973 Firebird brochure. The Grand Prix for sale here is one of the cars lucky enough to have both the handling package and the big engine on the window sticker. Check Pontiac Firebird 2gen available production numbers data.Production/sales period of cars with this particular specs:September 1972 - September 1973Modelyears:1973 Country of origin:USA United States Make:PontiacModel:Firebird 2nd generation 1970-1981Submodel:Firebird 2nd-gen. Trans Am Coupe 1970-1981Optional equipment:EEC segmentation:S (sport cars)Subsegment:S-C (sport coupes) - executiveClass:sports carBody style:fastback coupeDoors:2Traction:RWD (rear-wheel drive) Basic dimensionsLength:4879 mm / 192.1 inWidth:1864 mm / 73.4 inHeight:1280 mm / 50.4 inWidth with mirrors: Width folded back mirrors: Height with roof rails or antenna: Wheelbase:2743 mm / 108 in Claimed EPA passenger volume: Calculated EPA passenger volume:83.8 cu ft Fuel capacity:64 liter / 16.9 U.S. gal / 14.1 imp. 's broad torque curve actually made the '71 GTOs a little quicker than the high-strung Ram Air IV. Home Pontiac Firebird 1973 Pontiac Firebird, When you choose a Firebird, you reveal a bit about yourself. 1973 Pontiac GTO - High Performance Pontiac Magazine - MotorTrend After a few mark downs, it is being offered at the reduced price of $5000. Except as expressly authorized by automobile-catalog.com, you agree not to copy, modify, rent, lease, loan, sell, assign, distribute, perform, display, license, reverse engineer or create derivative works based on the Site or any Content available through the Site. - Performance Data, automobile-catalog.com ProfessCars estimation (the car with basic curb weight, full fuel tank and 90 kg (200 lbs) load), Top speed:164 km/h / 102 mph(theor. This website has ZERO credibility. This guy makes things happen-big time. PONTIAC TORQUE/ENGINE SPECIFICATIONS. ISBN 978-83-931772-0-2 automobile-catalog.com The complete catalog of cars since 1945 2010-2023 by PROFESS Pawel ZalAll rights reserved. HPP's own Rocky Rotella and yours truly provided intake manifold research, Ram Air information, and other tidbits. steering wheel and African crossfire mahogany instrument panel inserts. Another thing heading downward -- again -- was production. Pontiac 400 428 455 Engine Codes Patterson Coachworks Both the grille and the front bumper were revised for the model year. 485225 forged rods in Maryland, an intake manifold and a set of exhaust manifolds in Pennsylvania, and a carb not far from his home. Initially marketed as a 287 cu in (4.7 L), it went on to be manufactured in displacements between 265 cu in (4.3 L) and 455 cu in (7.5 L) in carburated, fuel injected, and turbocharged versions. At first glance this didn't transcend the 370hp on offer by the Ram Air IV version of the 400 V8 available in the GTO that same year, or even Pontiac's 366 horsepower Ram Air III 400 motor. The non-SD 455 engine was rated at 255 horsepower, and was standard in the Trans Am. gasoline (petrol) engine with displacement: 7469 cm3 / 455.8 cui, advertised power . The Formula and TA with the 400 and 455 were not bad. All The Torque The original 1970 Pontiac 455 'big block' V8 was good for between 360 and 370 horsepower and 500 lb-ft of torque. Imran also credits Andy Pooni, Mueen Abdullah, and Kamran Chaudary for all their help in the build. commercial copying, redistribution, use or publication by you of any such Its block was bored 0.030 over and fitted with Keith Black 9.5:1 forged pistons with Total Seal moly rings. Unlike the previous two years, the base model was not the best selling Firebird in 1973. Depending on the time and plant in which a car was built and the zone to which it was delivered, the buyer might receive a 350-cubic-inch Pontiac, Olds, or Chevy engine.There were a couple of reasons for this. You do not acquire The late John Sawruk came through with a variety of details and specifications; and the writings of Tom Nell and Tom Goad also came in very handy. In keeping with tradition though, The incorporation of material or any part of it in any other web-site, electronic retrieval system, publication or any other work (whether hard copy, electronic or otherwise), also the storage of any part of this site on optical, digital or/and electronic media is strictly prohibited. Followers 1 1 2 Next Page 1 of 2 chanan Members 19 Posted March 27, 2012 Good day members, I have a 1970 455 pontiac engine that I would like an idea of the value. 1973 Pontiac Firebird Trans Am 455-4 V8 4-speed close ratio (man. 4-speed North America U.S.5.6-litre / 339 cui179 kW / 243 PS / 240 hp (SAE net), 1973 Dodge Charger SE 400 V-8 4-bbl. (Pontiac also built one 1976 Grand Prix with the as-yet unreleased 301-cubic-inch V-8. Copyright. ownership rights to any content, document or other materials viewed through the Please note: HPP pays $50 if your story is printed. and not the 455ci/250 as advertised? And the 310 horsepower rating, according to many experts, was definitely an understatement. My Pontiac and Me On the charts below, find weights, prices, and production figures for Pontiac Grand Prixs from 1973 to 1977. It was now 216.6 inches long and the increase was comprised primarily Pontiac built 4,807 commemorative Grand Prixs. Oldsmobile 455 V8 Big Block. Many of the Firebirds of 73 were getting detuned, and this was the first year for that. For more information on cars, see: The Pontiac Grand Prix and other GM cars suffered from engine shortages caused by the need to meet the various emission standards, which meant that some buyers of GM cars did not receive the engines they had ordered. Part of the reason for this is that they borrowed the front suspension design of the Firebird and Camaro. What Makes This 1949 Buick Sacramentos Best Custom of 2023? Complete photo gallery and specs - click the button below: Copyright. I quickly replaced them with radials and I couldnt believe the difference. 1973 Pontiac Grand Prix 4gen Coupe full range specs - Automobile-Catalog He also located and purchased factory literature and a service manual. Despite the additional weight and choking emissions equipment, 455 cubic inches are hard to hold back. Total production for the model year was 17,249. The bold individual statement the GP had previously made was beginning to be quieted.The Grand Prix's basic body was now shared with Chevrolet, Oldsmobile, and Buick. In contrast, the standard L75 455 used 30 degree intake and 45 degree exhaust. The cost ($600) is listed in the ad, but it doesnt specifically say that they come with the car. 1973 GTO Review - Muscle Car Facts Your getting a 455 engine that everyone would love to have. Imran's searches on eBay also turned up some other hard-to-find items necessary for the restoration, including myriad NOS parts, weatherstripping, taillamps and side-marker lamps, bumper strips, wheel-opening moldings, and hubcaps, as well as windshield-washer-fluid and radiator-overflow tanks. Although the 1973 GP lost two They were above average for the year, but the Super Duty was bad news for everyone else. A Detailed Look Back At The 1973 Pontiac Grand Prix - HotCars The worm under that vinyl top is really bad. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. During the early '70s, the triple-whammy of rising insurance prices, a new wave of emission regulations, and the Arab Oil Embargo made the promotion of musclecars about as politically correct as a KKK family cookout. Though it did a very good job of continuing the Grand Prix tradition of personal luxury combined with sporty flair, it represented the beginning of GM's homogenization of its mid-size car platforms. * Bolts 1 and 2 (on Torque pattern below) final torque to 100 ft/lb for 350-455; 90 for 301 Pontiac Head Torque Pattern Diagram. Not surprisingly, sales of the Grand Prix dropped by almost 60,000 in 1978 and the downward slide in sales would accelerate. By 1975 the horsepower in the Ninety Eight was down to 190. In 1968 Oldsmobile debuted the Rocket 455, an engine that was part of a family of 3 (with 400 and 425 cubic inch engines sharing a similar architecture). How do I know? 1973-1977 Pontiac Grand Prix | HowStuffWorks In an age of tape-stripe performance and phony mag wheels, the 455 Super-Duty was like a bucket of cold water over the head-it was the real deal in a sea of poseurs. Stupendous Super Duty - 1973 Pontiac Firebird SD-455 specific coil springs, stiffer shocks, and a larger front sway bar. Car & Driver in 1973 tested the SD 455 Firebird at a 1/4 mile speed of 13.751 seconds at a terminal speed of 103.56 mph. A Pontiac 455 is not considered a Big Block. It was an instant hit.That the 1973-1977 Pontiac Grand Prix would also turn out to be one of these successes seems to be no sure thing in retrospect. Check the tables below for detailed outside and inside dimensions, output, fuel economy and performance data. Specs on the 455 Pontiac Engine | It Still Runs lots can be done with the motor or leave it stock. 455/4-Speed: 1973 Pontiac Trans Am | Barn Finds Privacy Policy, Cookies Policy, Terms and Conditions, Disclaimer. The tires lit up and when they finally hooked, the car was off like white lighting! The end result was an engine rated at 290 SAE net horsepower at 4,000 rpm and 395 lb-ft of torque at 3,600. What Makes This 1949 Buick Sacramentos Best Custom of 2023? This makes it all the more shocking that the 455 Super Duty, or SD-455, was introduced this year. Total production for the year was 10,166. At a higher price (according to one of pictures), the Rally IIs would have been included. How can you not like a car like this? 9036 Brittany Way. The few changes that were made were concentrated in the grille, which had fewer slats, and in the taillamps, which had a number of fine vertical ribs running through them. And isn't that what owning a Grand Prix was supposed to be about? point at the grille. Power came from a 160-horsepower, 350-cubic-inch V-8 equipped with a two-barrel carb (Californians received a four-barrel version) coupled to a Turbo 350 automatic transmission, both borrowed from the Le-Mans line. Even the oiling system's shortcomings had been addressed, and there were provisions cast in the back of the block for a dry-sump to be added. Once that car was stripped and blasted, youd see it was a mess. 9036 Brittany Way NOS trim is expensive. Some product and company names mentioned on this site may be trademarks of their respective owners. Fortunately for performance buffs, Pontiac's Special Projects had one more trick up its collective sleeve before the catalytic converter came in and finished off the era. . As it turned out, the only winners were dealers. Last Gasp For Performance: 1973 Pontiac Grand Prix SJ 455 - click the button below:Check:1973 Pontiac Firebird Trans Am 455-4 V8 4-speed close ratio Engine Horsepower/ Torque CurveCheck:1973 Pontiac Firebird Trans Am 455-4 V8 4-speed close ratio car fluids (oil and coolant) capacities.

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