1971 pontiac 350 engine specs

Fritsch says tubular headers are required for maximum performance, but adds that finding a set to fit the Firebird chassis can be somewhat difficult. Rear Main Cap. site (including ProfessCars and automobile-catalog.com) are protected under applicable copyrights, trademarks and other matters or any part of this site is strictly prohibited. The engines feature a cast-iron block and head and two valves per cylinder. If extra funds are available, Fritsch feels an MSD billet distributor is a better choice. matters or any part of this site is strictly prohibited. You do not acquire It was known within the company as the Model 32, and some initial production aircraft were laid down as export models designated as various LB-30s, in the Land Bomber design category. Among the different versions, the small block Chevy 350 engine is probably the most well known and widely utilized. Since you have a 301T block available, I suggest replacing its original reciprocating assembly with suitable stock or aftermarket components. I've heard they're not that strong, but behind a 301 it might live for a while. Chevy immediately put the 350 in their 1967 Camaro SS, and by 1969 they had made it available in the Corvette, Caprice, Impala, El Camino, and Chevelle. Im trying to get the tolereances for the motor. With well over 100 million built by now, the 350 has solidified its place in performance engine history. Unauthorised republishing prohibited. Detailed specs review of 1971 Pontiac Firebird Formula 350 offered 3 speed)as offered for the year 1971 since September 1970 in North America. It can then be internally balanced and a normal harmonic balancer and flywheel used. 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. What Makes This 1949 Buick Sacramentos Best Custom of 2023? galDrag coefficient (Cw-Wert): Cd claimed:Cd estimated by a-c:0.47Inside and outside dimensions, ground clearance, turning circle, track, trunk, cargo volume, frontal and drag area, capacities, etc. However, Chevy rated the C4 with SAE gross instead of net like the C5 so the difference was likely minimal. What top speed ? (402 m) 16.9 s (simulation automobile-catalog.com) 1971 Pontiac Firebird Formula 350 Turbo Hydra-Matic (aut. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic - click the button below:WeightsCurb weight (without a driver):1622 kg / 3576 lbsWeight distribution f/r (%):Dry weight: Shipping weight:1555 kg / 3429 lbsCurb weight estimated: Gross vehicle weight rating GVWR: Payload: Payload estimated: Pontiac Le Mans Coupe 350-2 V8 (man. The automobile-catalog.com website is only for the on-line view using the internet browser. ):16.2-19.5 / 9.8-11.8 / 13.2-15.9 / 14.3mpg (U.S.):13.5-16.2 / 8.2-9.8 / 11-13.2 / 11.9km/l:5.7-6.9 / 3.5-4.2 / 4.7-5.6 / 5.1Driving range(km / miles on tank) extra-urban (up to 62 mph /100 km/h):370-440 km / 230-275 milescity:225-270 km / 140-165 mileshighway (up to 87 mph / 140 km/h):300-360 km / 185-225 milesaverage combined:324 km / 201 miles. proprietary (including but not limited to intellectual property) rights. It had a Rochester Quadra-jet 4bbl carb with a dual-plane aluminum intake manifold, L46 hydraulic cam, and forged aluminum pistons. With proper maintenance and care, the Chevy 350 engines are not prone to any widespread issues. - click the button below: Inside and outside dimensions, ground clearance, turning circle, track, trunk, cargo volume, frontal and drag area, capacities, etc. I also have a spare crank from a '77 400, and I believe you had an article about a Third- or Fourth-Gen with a stroked 301 that measured 359 ci and had traditional Pontiac heads. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic proprietary (including but not limited to intellectual property) rights. How many were produced ? Your No. The site. I had a '69 Tempest stocker with a 350HO engine. Home ; Resources ; The Pontiac Engine; The Pontiac Engine. commercial copying, redistribution, use or publication by you of any such 3) in 1971. 1971 Pontiac Firebird - Muscle Car Facts 3) Detailed Performance Review; fuel consumption and . (CORRECT BY REPLACING CLIP WITH IMPROVED DESIGN WHERE NECESSARY. Fritsch suggests an Edelbrock Performer RPM and drop-base air cleaner assembly from Blocker's Performance (www.blockersperformance.com) to maximize performance, however. All Pontiac Firebird 2nd-gen. It came with a 2 barrel carb and produced 250 ponies at 4400 rpm. Chevy launched four different versions of the 350 in the 1960s; the L48, L46, L65, and LM1 V8s. Copyright. A 4 speed manual gearbox delivers the power to the wheels. The 301 utilizes a camshaft with the same dimensions as that of a typical Pontiac engine, so obtaining one with valve events that suit your engine's needs shouldn't be overly difficult. PPR, home of Tomahawk Performance Products, has just released a brand new 4.00-inch stroker package for the plentiful and very-inexpensive-to-buy 350 engine that transforms it into a 383-cube . Incredibly, Chevy has manufactured well over 100 million small block engines since 1954. Discussion in 'The Hokey Ass Message Board' started by Chandler, Nov 26, 2005. Privacy Policy, Cookies Policy, Terms and Conditions, Disclaimer. Violations of copyright will be prosecuted under the fullest extent of the law.The full Terms and Conditions of using this website and database can be found here. While Chevy still used the L05, L31, and L98 350s in the 90s, they had largely moved on to the second generation of small blocks, which began with the LT5 in 1990. Fritsch says your T/A's original 403 is an excellent basis with which to achieve your performance goals. You might also be limited to small-valve castings like No. site (including ProfessCars and automobile-catalog.com) are protected under applicable copyrights, trademarks and other The 4-barrel 455 engine came in two versions, one that produced 325 horsepower and a H.O. A significant amount of modification may be required to adapt the T5 to the 301. Pontiac 350 Performance upgrades - Forever Pontiac Forums The automobile-catalog.com website is only for the on-line view using the internet browser. . The difference in generations presents some problems, but there are still some interchangeable parts. As you've found, its performance in stock form was fairly anemic and leaves much to be desired. He also suggests increasing intake and exhaust valve diameter from 2.00/1.50-inches (stock) to 2.07/1.62. The undersized ventilation holes would lead to moisture buildup and corrosion, which would eventually lead to failure. Chevy put the LT5 in the 1990-1995 C4 Corvette ZR-1 high performance models, where it made 375-405 hp. Though these were massive improvements for flow and fueling, it only resulted in a max of 245 hp. What engine size ? How many were produced ? 350.0 cu in. Older 350s can also take larger carburetors, too. matters or any part of this site is strictly prohibited. Ideally, the cooling system keeps the engine running at its most efficient temperature no, Fords longtime 302 V8 engine will undoubtedly go down as one of the top engines in American history. Light Em Up: Drag Racing, the HOT ROD Power Tour Way. 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. As mentioned above, 1971 was the first year that the government required all new engines to be able to run on unleaded gas. Chandlers knowledge and enthusiasm towards automotive history make him a great asset to the Muscle Car Club community. In 1975, the highest output Chevy 350 engine was the LM1 at a measly 155 hp. Total production was up from the previous year to 53,124. How to Improve Pontiac V-8 Performance: Tuning Guide Retaining the original cast-iron four-barrel intake manifold or buying an aftermarket Edelbrock Performer are suitable choices if you wish to retain your T/A's original carburetor, and air cleaner and Shaker assembly. Muscle cars came from the factory with a high level of performance. 3) .Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Firebird Formula 350 (man. - click the button below: Check:1971 Pontiac Firebird Formula 350 Engine Horsepower/ Torque Curve, Check:1971 Pontiac Firebird Formula 350 car fluids (oil and coolant) capacities, Gearbox:Transmission type:manual Number of gears:3 Complete transmission data: gear ratios, final drive, etc. On the opposite end of the crankshaft is a 301-specific harmonic-balancer that shares this characteristic to serve the same purpose. translation, digital conversion and other matters related to the automobile-catalog.com without speed governor) Accelerations: 0-80 km/h (sec):6.30-100 km/h (sec):8.80-160 km/h (sec):23.90-200 km/h (sec):0-300 km/h (sec): 0-50 mph (sec):6.40-60 mph (sec):8.30-100 mph (sec):24.20-150 mph (sec):0-200 mph (sec):Drag times: 0- 1/4mile (sec):16.50- 1km (sec):30 Full performance data, accelerations chart, acceleration on gears, speed range on gears, overtaking factors etc:1971 Pontiac Firebird Formula 350 Detailed Accelerations, Performance Review Fuel consumption (mileage)extra-urban (up to 62mph/100km/h) / city / highway (up to 87mph/140km/h) / average combined:l/100km:14.5-17.4 / 23.9-28.7 / 17.8-21.4 / 19.8mpg (imp. The Pontiac 400 6.6 Liter engine was first introduced in 1967. The next model, the Esprit, came standard with a 350 V8 that produced 250 horsepower. FCR Performance offers a complete line of custom-spec split-duration hydraulic flat-tappet camshafts for Olds applications and 0.050-inch-intake duration ranges from 217 to 233 degrees depending upon the application. ownership rights to any content, document or other materials viewed through the galDrag coefficient (Cw-Wert): Cd claimed:Cd estimated by a-c:0.44Inside and outside dimensions, ground clearance, turning circle, track, trunk, cargo volume, frontal and drag area, capacities, etc. 1971 Pontiac Grand Prix 3gen Coupe full range specs - Automobile-Catalog Chevy dropped the 350 engine from the Camaro between 1982-1986, and the Corvettes version languished between 205-240 hp. Failure to report a warranty condition and receive authorization from the manufacturer or O'Reilly Auto Parts for repairs or removal of the engine shall result in this warranty being voided. At its inception, the B-24 was a modern . What cam/ cam specs should I get? Reproduction of part or all of the contents of this web-site in any form is prohibited and may not be recopied and shared with a third party. When traditional Pontiac V-8 production ceased in 1978 (Pontiac 400 engines were stockpiled for the '79 model year), the 301 was the Division's lone V-8. Make sure you only nominate those who will be driving the car on the application. without speed governor)The same class cars with similar kind of fuel, power and type of transmission: 1971 Ford Torino 500 2-door Hardtop 302 2V V-8 North America U.S.4.9-litre / 302 cui 156.5 kW / 213 PS / 210 hp (SAE gross)1971 Ford Torino 2-door Hardtop 302 2V V-8 North America U.S.4.9-litre / 302 cui 156.5 kW / 213 PS / 210 hp (SAE gross)1971 Ford Torino GT Sportsroof 302 2V V-8 North America U.S.4.9-litre / 302 cui 156.5 kW / 213 PS / 210 hp (SAE gross)1971 Chrysler Newport Royal 2-Door Hardtop 360 V-8 North America U.S.5.9-litre / 360 cui130.5 kW / 177 PS / 175 hp (SAE net)190 kW / 258 PS / 255 hp (SAE gross)1971 Chevrolet Impala Sport Coupe 350 V-8 Turbo-Fire North America U.S.5.7-litre / 350 cui123 kW / 167 PS / 165 hp (SAE net)182.5 kW / 248 PS / 245 hp (SAE gross)1971 Chevrolet Impala Custom Coupe 350 V-8 Turbo-Fire North America U.S.5.7-litre / 350 cui123 kW / 167 PS / 165 hp (SAE net)182.5 kW / 248 PS / 245 hp (SAE gross)1971 Chevrolet Caprice Custom Coupe 400 V-8 Turbo-Jet North America U.S.6.6-litre / 401 cui126.5 kW / 172 PS / 170 hp (SAE net)190 kW / 258 PS / 255 hp (SAE gross). 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Check Pontiac Le Mans 3gen available production numbers data.Production/sales period of cars with this particular specs:September 1970 - September 1971Modelyears:1971 Country of origin:USA United States Make:PontiacModel:Le Mans 3rd generation 1968-1972Submodel:Le Mans Coupe 1968-1972Optional equipment:EEC segmentation:E (executive cars)Subsegment:S-C-L (luxury coupes)Class:mid-size / large family car Body style:notchback coupeDoors:2Traction:RWD (rear- wheel drive) Basic dimensionsLength:5151 mm / 202.8 inWidth:1948 mm / 76.7 inHeight:1321 mm / 52 inWidth with mirrors: Width folded back mirrors: Height with roof rails or antenna: Wheelbase:2845 mm / 112 in Claimed EPA passenger volume: Calculated EPA passenger volume:92.9 cu ft Fuel capacity:76 liter / 20.1 U.S. gal / 16.7 imp. 1971 Engine Codes - Ron's Pontiac Page Fritsch says that torque-converter stall speed, rear-axle gear ratio, if air conditioning will be used, and the car's intended overall usage dictates which grind he suggests for a particular build. The Pontiac Engine - Butler Performance Complete photo gallery and specs - click the button below: Copyright. - click the button below:Check:1971 Pontiac Le Mans Coupe 350-2 V8 Engine Horsepower/ Torque CurveCheck:1971 Pontiac Le Mans Coupe 350-2 V8 car fluids (oil and coolant) capacities. Violations of copyright will be prosecuted under the fullest extent of the law.The full Terms and Conditions of using this website and database can be found here. Other Gen One and two engines had problems with distributors, as Chevy was known for poorly designing them. When it's all said and done, be prepared to invest a considerable amount of time and money into a 301 that might not run much better than a comparably-equipped 400. ! 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. The internals are capable until past the 400 hp range, at which point you will need forged pistons and rods. The first digit of the code indicates Manual or Automatic transmission. Either approach will increase your cars potential. Chandler Member from Rowlett,TX I know this is not as old as a lot of you guys like, but does any one have a copy of the engine specs they can send me? Pontiac V8 engine - Wikipedia Total production for the year was 20,185, and the cars started at $3,416. 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. Specs review by Pawel Zal. (adsbygoogle = window.adsbygoogle || []).push({}); Full performance data, accelerations chart, acceleration on gears, speed range on gears, overtaking factors etc: extra-urban (up to 62mph/100km/h) / city / highway (up to 87mph/140km/h) / average combined: Top speed: 0-60 mph (sec):0-100 km/h (sec):0-1/4 mile (sec):0-1 km (sec):Fuel consumption: ECE 90/120/city (comb. Check Pontiac Firebird 2gen available production numbers data.Production/sales period of cars with this particular specs:September 1970 - September 1971Modelyears:1971 Country of origin:USA United States Make:PontiacModel:Firebird 2nd generation 1970-1981Submodel:Firebird 2nd-gen. | 5.7 L. Power : 250 BHP (184 KW) Bore . The LT4 was the final 350 Gen Two small block that Chevy created. According to the ProfessCars estimation this Pontiac would accelerate 0-60 mph in 8.3 sec, 0-100 km/h in 8.8 sec and a quarter mile time is 16.5 sec. It only lasted from 1996-1997, and it was basically a high performance LT1. What would the correct flywheel be: 168-, 166-, or 158-tooth? Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic I want to pick your brain about a couple of topics-some of them most people wouldn't recommend due to cost or horsepower, but I have my reasons. freestar.config.enabled_slots.push({ placementName: "automobilecatalog_300x250_320x100_320x50_mob_btf_2", slotId: "automobilecatalog_300x250_320x100_320x50_mob_btf_2" }); 3) in 1971, 1970-1981 Pontiac Firebird 2nd generation. First, was the increasing emissions restrictions, which choked power output for years. V8 paired to a 2-barrel carburetor, this Pontiac's 350 still breathes well and cruises even better. The other two Second Gen 350 Chevy small blocks were the LT1 and LT4. What dimensions ? You can take a Gen One LT-1 block and put newer pistons and rods in it without much hassle. Examples of the direct competition of Pontiac Le Mans Coupe 350-2 V8 in 1971: (all performance data from ProfessCars simulation, top speed theor. The L05 also powered many police-specd Caprices, as well as trucks like the K5 Blazer and GMT400. While not all of the 17 different Chevy 350 engines are the paragon of engineering, none of them are disasters. 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. Specs review by Pawel Zal. The base price for these cars was $3,445. freestar.config.enabled_slots.push({ placementName: "automobilecatalog_300x250_320x100_320x50_mob_btf_4", slotId: "automobilecatalog_300x250_320x100_320x50_mob_btf_4" }); He has successfully raced Olds-powered vehicles for years, and is very familiar with extracting additional output from the 403. 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. matters or any part of this site is strictly prohibited. The strategic move to promote leading performance V8 specialist Pete, Read More Pontiac 389 Engine GuideContinue. It was unfortunately a very common issue on the LT1s, and replacements are plenty and easy to install. 405)-which he helped design-that contain a dish of just 5 cc. The early LT1s had speed density air/fuel management and batch-fire fuel injection, but in 1994 Chevy updated to a mass airflow (MAF) system and more precise sequential fuel injection. However, as the 1980s wore on older 350s like the L48/6s and LT-1 began to find second lives at the drag strips and tracks. Privacy Policy, Cookies Policy, Terms and Conditions, Disclaimer. 1971 Pontiac Firebird 2gen Formula Coupe full range specs While the other eight variants are not terrible power plants, none of them are built to make power like the above versions. Privacy Policy. At least for most of the group. Some variants got fuel injection starting in 1982-1985, and the rest had them by the 1990s. galDrag coefficient (Cw-Wert): Cd claimed:Cd estimated by a-c:0.44Inside and outside dimensions, ground clearance, turning circle, track, trunk, cargo volume, frontal and drag area, capacities, etc. I cant find a service manual any where at the stores around here. Viewing the exterior of the 1971 Firebird, it is virtually impossible to distinguish from the 1970 models. How much fuel ? It was also one of the first engines with rod bolts, four bolt main-bearing caps, and a reinforced block. Chevy made less than 10,000 models containing the LT4, and they rated it at 330 hp and 340 lb-ft. Pontiac V8 Cylinder Heads - Casting numbers and Specs - WOW Muscle Cars It was officially in production from 1967-2002, with the second Generation beginning in 1990. . 1969 Pontiac Firebird 350 - full technical specs sheet, including performance data, economy and emissions, dimensions, weight and engine particulars. A 4 speed manual gearbox delivers the power to the wheels. The largest difference between the two generations is the flow of the cooling system. What dimensions ? This code will tell you the year it was to be used. You do not acquire It's central counterweights were removed in a direct attempt at shedding weight, leaving one large counterweight at each end of the crank. More power can be coaxed from the engine and/or that power can be harnessed and put into forward motion more efficiently. The 403's stock cast-iron exhaust manifolds are very restrictive. While these certainly increase performance, they're likely only good for 20-25 hp. 1972 Pontiac Firebird 350-2 V8 (man. 3) - Automobile-Catalog ownership rights to any content, document or other materials viewed through the The overall dimensions are 5151 mm / 202.8 in of length, 1948 mm / 76.7 in of width (without mirrors) and 1321 mm / 52 in of height. Car wheels spin at different speeds, especially when turning. The Chevy 350 responds very well to most bolt-on upgrades. Previous to 1972, auto manufacturers labeled engine power output in terms of SAE gross figures. Is it worth the effort and funds to modify this motor? Containing a 4-inch-diameter bore, the 301 utilizes a low-deck block, which brings the cylinder-head flange closer to the crankshaft centerline. Unfortunately, production Chevy 350 engines bit the dust in 2002 with the introduction of the LS-Generation of small blocks. 7041171 1971 2 350 m fb 7041172 1971 2 350 a fb high alt 7041262 1971 4 455 a fb & all except ram air 7041263 1971 4 400 m fb & all except ram air . site (including ProfessCars and automobile-catalog.com) are protected under applicable copyrights, trademarks and other Specs datasheet with technical data and performance data plus an analysis of the direct market competition of, Pontiac Le Mans Coupe 350-2 V8 (man. 3 speed)as offered for the year 1971 since September 1970 in North America. Manufacturers prefer to use SAE gross because of the higher numbers, but SAE net has been the standard since 1972. Almost overnight, the most powerful 350 engines lost 150 hp. The crankshaft received deep-rolled fillets to increase rigidity and the block casting received extra material to strengthen it. Muscle Car Specifications Performance Model 1972 Pontiac Trans Am Engine Used 455ci/300hp Zero to Sixty 7.0 sec Quarter Mile 14.0 sec @ 103.2 mph It is reported that there almost was not a 1972 Firebird. Thanks, ps- don't bother with Performance Years or Classical Pontiac- the guys that hang there are ASSHOLES. ISBN 978-83-931772-0-2 automobile-catalog.com The complete catalog of cars since 1945 2010-2023 by PROFESS Pawel ZalAll rights reserved. They just dont flow as well and were rated for well under 200 hp from the factory. Over its three decade production span, Ford put the 302 into just about anything they could, including coupes,, The purpose of the fuel system is to provide a mixture of fuel and air to the engine of the car. Rocky Rotella responds:?Pontiac introduced its 301 in 1977 as a response to Chevy's 305. As a result, the engine weighed about 150 pounds less than a similar vintage 350. A strike at the GM plant producing Firebirds in late 1971 kept 1972 production totals very low. In 1988, Chevy launched the L05 350 small block, and in 1996 they introduced the L31 (Vortec 5700). . You can add 150-500 hp with supercharger or turbocharger kits, depending on your specific engine. Major parts of the system include: fuel tank and cap, emission controls, fuel line, fuel pump, fuel filter,, The late 1950s were a time of serious reformation and change for Pontiac. Would the pressure plate for the Z28 from Centerforce bolt up? First introduced in the late-60s in models like the Mustang, Fords small-block 302 lasted all the way until 2001. LeMans (1970 - 1977) 1970; 1971; 1972; . 3 speed) as offered for the year 1971 since September 1970 in North America How many were produced ? For 1970, a bored-and-stroked version of the Pontiac big-block V-8 arrived. They powered everything from muscle cars, to sports cars, to economy sedans and vans, and even trucks and SUVs. Powering Up The 403I love your magazine and featured vehicles! A substantial amount of material was removed from such areas as the block's lifter galley, main saddles, and cylinder walls to reduce weight. proprietary (including but not limited to intellectual property) rights. The engine produced 255hp and 355-lbs.ft. Despite the new engines (and newly designed exterior decals), the Trans Am was the only Firebird model that showed a drop in sales. It also meant the detuning of both the double-barrel and quadrajet versions of the Buick 350, too. Pontiac 350 engine specs? Pontiac Heads - Ram Air V Tunnel Port High output Pontiac V8 Cylinder Heads 1962 - 389 SD Code 544127 Knowing you desire much more, I posed your question to Terry Fritsch of FCR Performance in Omaha, Nebraska. The car runs excellent and the Turbo 350 transmission was recently rebuilt, but the motor is untouched. Check Pontiac Le Mans 3gen available production numbers data. site. Firebird Formula 455 HO Turbo Hydra-Matic, Chevelle 300 Deluxe Coup Turbo Hydra-Matic, Chevelle 300 Deluxe Sport Coup Powerglide, Chevelle 300 Deluxe Sport Coup Turbo Hydra-Matic, Chevelle Malibu Convertible 400 V8 Automatic, Chevelle Malibu Sport Coup 400 V8 Automatic, Malibu Sport Convertible Turbo Hydra-Matic, https://www.carfolio.com/pontiac-firebird-formula-350-462495. Pontiac engines have block code. I would like to try to coax a little extra performance from the engine and was wondering if adding aluminum heads and new intake along with a 4 barrel carb would give me this extra performance? Among all of the Chevy small block engines, the 350 is by far the most moddable and built for performance. Really, the only small block Chevy 350 engines capable of any performance were the LT-1, ZQ3, and L82s. Since the camshaft is in the same relative position to the crankshaft, a normal timing chain can be used. proprietary (including but not limited to intellectual property) rights. Hot rodders started taking them from junked Camaros and Chevelles, supercharging them, and swapping them into all varieties of cars. You've stated that you chose to begin with a 301 for personal reasons, and while it may be a somewhat challenging task to complete, it still sounds like you have a fun project ahead! 1978 std engine-274-.374".410"-274-.374".410" 527471: 1956-62 3/2bbl: 6: 283: 112.407".447" 60: 293: 116.407".447" 524886: They are prone to seizing and failing, sometimes in the middle of operation. With relatively small intake port volume, peak intake airflow is about 170 cfm at 28 inches of pressure. Further government regulations would be tearing into performance numbers by the following year, and this coupled with a falling economy and rising gas prices would see the end of most of the pony cars by 1975. Lastly, was the switch in how Chevy was allowed to rate their engines. The Pontiac 350, like its 326/389/400/455 cousins responds well to the basic engine upgrades. 2-door coupe body type. The connecting rods were shortened by more than 1/2-inch, and the casting was trimmed of excess material. Pontiac catalogue1970-1981 Pontiac Firebird 2nd generation all versions catalogue1971 Pontiac Firebird 2nd-gen. 46 to prevent clearance issues with the cylinder walls. The basic Firebird coupe came with a 250 CID six-cylinder engine that produced 145 horsepower, which represented a ten horsepower decrease from the year before. In 1975, the highest output Chevy 350 engine was the LM1 at a measly 155 hp. site. Its highest output was 300 hp and 380 lb-ft of torque, before it was slowly neutered for emissions. and more photo, or to compare up to 5 cars side-by-side - click one of the the buttons below: www.automobile-catalog.com The complete catalog of cars since 1945 , (click on photo to view enlarged pictures gallery) Production/sales period of cars with this particular specs: Length:5151 mm / 202.8 inWidth:1948 mm / 76.7 inHeight:1321 mm / 52 inWidth with mirrors: Width folded back mirrors: Height with roof rails or antenna: Wheelbase:2845 mm / 112 in Claimed EPA passenger volume: Calculated EPA passenger volume:92.9 cu ft Fuel capacity:76 liter / 20.1 U.S. gal / 16.7 imp. Pontiac 350 engine specs? | The H.A.M.B. - The Jalopy Journal

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