1970 ls5 454 engine specs. However, all of the manifolds were similar.
1970 ls5 454 engine specs. 2 cu in) Bore × Stroke: 107. 24-inch bore job, taking it out to 4. 25″ x 4. Vehicle history and comps for 1970 Chevrolet Chevelle SS-454/ LS5 VIN: 136370B203289 - including sale prices, photos, and more. Feb 2, 2004 · 9) All 1970-74 Corvettes with 454 cid engine used the same oil pan, including LS-6; 10) 70-72 LS-5 engines used unique-to-each-year cast iron intake manifolds. Given the output numbers of these engines, there were few who would argue that the 1971 Corvette was weak, although most would agree that it was a far cry from A new engine option appeared in 1970: the LS5 became the only big block available. The LS5 454 was rated at 360 horsepower and 500 lb-ft of torque. 0:1 Displacement: 350 cubic-inches Oct 19, 2002 · 9) All 1970-74 Corvettes with 454 cid engine used the same oil pan, including LS-6; 10) 70-72 LS-5 engines used unique-to-each-year cast iron intake manifolds. Engine Code : LS5 Fuel type Feb 15, 2022 · More than 50 years on, the 454 is still the big Kahuna—the largest displacement engine ever bolted into a regular production Chevrolet passenger car. 30's with a 3. 25-to-1 compression ratio to deliver 360 horsepower for the Chevelle and 390 horsepower for the Corvette. What is your particular application. 4L 454 Engine. Sales were their lowest since 1962 due to a late start in the production year. you don't need compression. The 454 cubic inch engine was available in two forms in 1971. 0″. 25 Specifications for the 1970 Corvette, including dimensions, electrical, capacities, engine, and features. , the largest Chevrolet would install in a Corvette. As Super8 stated the 425 hp engine (gross) was also given an official net rating by General Motors as 325 bhp. Please note, the following 1972 engine cap specs appear to be invalid. Apr 22, 2021 · 4. V-8 (suffix code CRN), featuring 10. 25:1, 11. Sep 23, 2018 · The standard transmission on the 1970 SS 454 was the Muncie M21 close-ratio 4-speed manual with an 11-inch clutch. 4 litre 7443 cc (454. In 1970, the name of the game was pure horsepower. ft. 1970 Chevrolet Corvette C3 in Daytona Yellow. Powered by a 454 cubic inch beast with an 11. Shelving this restriction opened up the opportunity for Chevrolet to drop two versions of the 454 big block under the Chevelle’s hood. FIND Search Listings 715,684 Follow Markets 8,845 Explore Makes 647 Auctions 1,124 Dealers 290. -ft. The 1970 Chevrolet Corvette LS-5 version of this engine was factory-rated at 390 bhp (395 PS; 291 kW) and 500 lb⋅ft (678 N⋅m), and the LS-6 engine equipped with a single 4-barrel 800 cu ft/min (23 m 3 /min) Holley carburetor was upgraded to 450 bhp (456 PS; 336 kW) at 5600 rpm and 500 lb⋅ft (678 N⋅m) at 3600 rpm of torque. Regarding horsepower, the LS5 engine in the 1970 Chevelle produced the most with 360 hp, followed by the 1971 Corvette with 330 hp, and then the 1972 Chevelle with 270 hp. The 1970 Chevrolet Chevelle SS 454 was a beast of a muscle car, boasting a 450-horsepower engine. Explore the Chevrolet Corvette C3 Stingray Convertible 1970 454 V8 Turbo-Jet 365HP (gross) 4-speed 1970, 1971 detailed specs, including 0-60 mph times, horsepower, and handling data. It’s lived a long, useful life since its 1970 model-year introduction, powering trucks, boats, generators, race cars of every sort, and more. Close. The M40 three-speed Turbo Hydra-Matic was optional with both engines in 1970 and ’71, and with the sole remaining 454 in 1972. All options are listed, including prices and quantities shipped. Jan 17, 2024 · Specs for a V8 7. Compression Ratio: 10. 050" == 214° engine type: naturally aspirated petrol Engine manufacturer: GM: Engine code: LS5: Cylinders: V 8 in 90° vee: Capacity: 7. 5 V8 W-30 (1970) Jaguar XJS 3. For 1971 and 1972, the stock 4-speed was replaced with the heavy-duty M22 unit. 4L) Block/Heads: Cast Iron. Camshaft number = #3883986 Camshaft Intake duration @ . However, all of the manifolds were similar. Apr 6, 2023 · The LS5 engine used in the Chevrolet Chevelle and Corvette from 1970-1972 showed some differences in specs across the three years. Sep 18, 2008 · 1973 Corvette 454 w/LS4 engine. 65) Sep 24, 2018 · Engines. 25:1 compression, a Quadrajet four-barrel carburetor and a performance-oriented hydraulic-lifter camshaft, producing 360 hp and 500-lb. Since the 454 was the only engine that required an SS package, many Feature Base Engine RPO ZQ3 RPO L46 RPO LS5 RPO LT1 RPO LS7; Type: V-8, Overhead valve: Block: Cast iron block: Displacement: 350 cid: 454 cid: 350 cid: 454 cid: Bore & Stroke Apr 24, 2017 · 1970 is largely considered to be the best year of the Chevelle. 050" == 242° Jul 6, 2011 · 9) All 1970-74 Corvettes with 454 cid engine used the same oil pan, including LS-6; 10) 70-72 LS-5 engines used unique-to-each-year cast iron intake manifolds. 4,473 (25. ACR43TS (350 Cubic Inch LT1 Engine) ACR43TS (454 Cubic Inch LS5 Engine) ACR44XL (454 Cubic Inch LS6 Engine) Spark Plug Thread 14 mm. Firing Order: 1-8-4-3-6-5-7-2. The $289. 65 option included the 454-ci engine equipped with hydraulic lifters, 10. 30; Production. The famed LS6 454 from the 1970 Chevelle was initially said to be part of the 1971 model year, though none were put into any of the ’71 Chevelles. However, even this engine’s output would be subsequently dwindled down, to further adhere to emissions standards of the era. 2 cui, 212. Displacement: 454 cid (7. @ 20 hr. Like the true compression? Did it have forged domed pistons or flat top? Cam size duration and lift? Solid or Hydraulic lifters? What type of head (open or closed chamber) and valve sizes? Carburetor size? What type of intake? Please list any other important facts about these engines. 73-74 manifolds also incorporated Nov 6, 2012 · The 454 engine, as compared to the 427 it replaces, has a longer stroke (101. Engine type: GM This engine, known as the LS5, produced 365 horsepower, an increase from the 360 horsepower produced by the same model in 1970. Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970—one year before emissions standards were tightened and just three years before the gas crisis hit with full force. In 1970 the LS5 and LS6 454 big-block V8 engines became available to the public in various GM vehicles. Z15 454 SS Package: $503. My 1970 SS454 LS6 SuperCar certified stock appearing 11. Get all the Info. just the right cam as Paul mentioned,RPM intake,headers and a 3310 Holley or a well set up QJet heck,If my friend Mark's 69 SS w/a parts store 8 to 1 454 using a 238/248 @ . Configuration: 90° V8. 4L) Block and Heads: Initially cast iron, with later models introducing aluminum; Bore x Stroke: 4. Stock ls5 cam is very mild,its the same hyd cam the l34 396/350hp used which is 214/218 deg dur@. Camshaft number = #3863148 Camshaft Intake duration @ . 0 for 350ci. 25:1 Horsepower = 360 @ 5400 Torque = 500 @ 3200 1970 Chevrolet 402 w/L34 engine. Spark Plug Gap . 2 mm), probably for better emission control as well as higher torque because it replaces a 427 that also Explore the Chevrolet El Camino III SS454 1970, 1971, 1972 detailed specs, including 0-60 mph times, horsepower, and handling data. ) 18 for RPO LT1 engine 22 for LS5 engine: Battery: 12 Volt, 62AH for 350ci. FIND Search Listings 716,654 Follow Markets 8,898 Explore Makes 647 Auctions 1,124 Dealers 292 Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Chevrolet Caprice Hardtop Sedan 454-4 V-8 Turbo-Jet Hydra-Matic in 1971 the model with 4-door hardtop sedan body and V-8 7443 cm3 / 454. Thermostat Opening 192° - 198° F (Base, LS5 Engines) 177° - 183° F (LT1 Engine) Mar 3, 2021 · General Motors introduced the 454ci LS5 in 1970, which served as a somewhat stifled variant of earlier big-block powerplants carrying the same displacement. As a result, the sole big-block engine available for 1970 was the LS5 454/390 found in our subject car. Both RPO Z15 packages included a new option, cowl induction. C. 83%) were produced in 1970 (RPO LS5, $289. The 1970 Monte Carlo SS was available only with the LS5 454-cu. engines (capacity of crankcase less filter – refill) 5. May 1, 2002 · The enthusiast who shelled out the extra money for an LT-1 ($447. See photos and specifications of this Chevelle. It was not the ideal time to introduce a large cubic Chevrolet Monte Carlo I SS 454 LS5 (1970) vs Dodge Charger Daytona (XX29) 1969 Daytona 440 V8 Magnum 4-speed (1968) vs Oldsmobile 442 II 7. 45; LS6 454 Engine: $263. Body Specs LS5 Engine: 454 Cubic Inches Compression Ratio: Mar 4, 2005 · Could someone list the engine specs for a 1970 454 LS6 engine. May 4, 2023 · Specs for the 1970-1976 big block 454 cid engine are as follows: Engine: Chevrolet 454 Big Block. This one boasts air conditioning, making it even more unusual and desirable. engines 12 Volt, 80AH for 454ci. L46 350CI V8 Corvette Engine Specs: Horsepower: 350 hp @ 5,600 RPM Torque: 380 lb-ft. Engine block stamping 139994 matches the last six digits on the chassis identification plate shown in the gallery below. Apr 30, 2024 · In 1970, The 454 Cubic-Inch Engine Was The Largest Chevy Had Used To Date One was the standard LS5 and the other was an upgrade to the LS6. Aug 31, 2022 · An aluminum-headed big-block was king of the hill in a ’70s muscle car, and this engine is equipped with the original Winters aluminum “snowflake” heads. Chevrolet will sell you a new 454 today, ready… Oct 21, 2004 · C3 Tech/Performance - 454; LS-5, stock cam spec? - Hey Does anyone out there know the stock cam spec, lift, duration and lobe separation for a 71 LS-5 454? Any ideas on a mild cam upgrade using mildly port heads, Tri-y headers and good machine work? carbster09 1970 Chevrolet Chevelle SS 454 specs, quarter mile, lap times, performance data, top speed, engine specifications, pictures, updated May 2024. There are 8 different Holleys that were used on an LS6. 45 in 1970, '71, and '72 respectively) got plenty of power but obviously wanted more than just brutish acceleration. Chevelle Total Production 1970 633,944; 1970 Chevelle SS396 Production 53,599; 1970 Chevelle SS454 LS5 Production 4,298; 1970 Chevelle SS454 LS6 Production 4,475; 1970 Chevelle SS 454 LS6 specs. 6 mm 4. Apr 21, 2013 · 1970 Chevrolet 454 w/LS5 engine. However, the option was withdrawn and never installed in any 1970 production Corvettes offered to the public. It's every bit as relaxed as the base engine but an ox for strength, able Jun 11, 2019 · ENGINE: An LS5 454-powered 1970 El Camino SS with cowl induction is a rarity, with 100- 150 built according to estimates. LS5 cars were equipped with Q-jets. The 1970 Corvette also posted 0-60 MPH times under 7 seconds. 25 × 4 in: Bore/stroke ratio: 1. 5 kW / 289 PS / 285 hp (SAE net) of power, 631 Nm / 465 lb-ft of torque, 3-speed automatic powertrain offered since September 1970 for Dec 24, 2006 · Which 454, LS5 or LS6. 00. Max Horsepower: 450 hp @ 5600 rpm. 033 - . of torque. 25:1 compression ratio, 450 horsepower @ 5,600 RPM, and 500 lb-ft of torque at 3,600 RPM, the LS6 was the top-of-the-line performance option. 44 L) LS6 Mark IV Big Block. Displacement was 454 cu in. 461/. / 274° exh. Jul 2, 2019 · C3 General - 1970 LS5 engine specs? - Hello What is the engine specs on a 1970 LS5, I want suffix and all the casting Numbers on block, heads, intake, carb, distributor ect. Fuel Capacity (gallons): 4. . 05,. 6 (1983) vs Chevrolet Monte Carlo I SS 454 LS5 (1970) 454 cubic inch LS5 Engine 22 Quarts (with heater) 21 Quarts (without heater) Thermostat Type Choke Radiator Cap Relief Pressure 15 +/- 1 PSI Battery 12 volt - 78 plate 62 Amp hr. 60, $483, and $483. Sep 15, 2021 · When the 454 cubic inch engine appeared in the Chevrolet catalog in 1970, it was intended to rule the streets by building on the same Mark IV design architecture that had defined the 427 cubic in V8 that preceded it. Additionally, the LS7 came to fruition but was never available to the public on standard Chevy or GM vehicles. Good data and nice reading. Explore the Chevrolet Corvette C3 Stingray Coupe 1970 454 V8 Turbo-Jet 270HP 4-speed 1971, 1972 detailed specs, including 0-60 mph times, horsepower, and handling data. 038 inch Firing Order 1-8-4-3-6-5-7-2 Idle Base Engine: 600 RPM (Automatic: 550 RPM) LT1, LS6 Engines: 700 RPM LS5 Engine: 600 RPM Jan 18, 2014 · To some, the Chevrolet 454 big block was the right engine at the wrong time. Output was rated at 360 horsepower when new, and this example was rebuilt during the refurbishment according to the seller. Jun 1, 1971 · Those who want to be comfortable and avoid the mechanical hassle but still go fast should opt for the LS5, the 365-hp 454. The 1970 production models of the 454 put out the most horsepower with the LS5 claiming 360 horsepower and the LS6 putting out a mighty 450 horsepower. engines Mar 22, 2006 · 290's for 70 LS5 454 which are a decent flowing lrg oveal port head with approx 100-101 cc comb chambers. 25:1 pistons, and a single four-barrel carburetor. This world-famous muscle car has become the iconic image of the muscle car era. 07 gear and a torn secondary diaphram along with too stiff a spring (just discovered this on his 3310) you don't need much. 008-inch lift are 268° int. With respect to the 1970 Chevelle SS quarter-mile time, the legendary LS6 454 was the highest-performing option. 25:1, 8. 73-74 manifolds also incorporated Sep 21, 2010 · The general thought as to the LS5/LS6 being a mid year introduction was that the larger shafted M22 (for 1970 and the additional torque of the 454) wasn't available til then. = 10. Aain,on the timing,the 6 deg btdc initial is only for stock gm cam so if it run luggy/hot with not lowe end perf you likely have an aftermarket cam so try 16-18 deg initial to see if that does better,if yes you dont have the stock cam. ) The 454ci LS5 V8 features a cowl induction intake for its four-barrel carburetor. 7L 350CI V8: 1969-70. in. Engine type: GM Chevrolet LS5 454 V-8 (big-block) Jun 10, 2021 · However, long before the LS1 was introduced, GM used the LS designation for the family of 454 big-block engines. Engine Weight: ~685 lbs. engines Oct 4, 2016 · For the 1970 model year, General Motors dropped their mandate that no engine larger than 400 cubic-inches could be installed in an A-body. Another interesting feature of the El Camino was the “smuggler’s box” in the location of the rear seat on the station wagon. 5 vs 95. 73-74 manifolds also incorporated Jan 28, 2010 · LS4 was the 345 HP 454 that came in fullsize Chevrolets in 1970its the same as an LS5 but has the 325 HP/396 camshaft. The LS6 option Chevelle's came with a 454CI engine and used 1970 Specs. 1970 Chevelle Turbo-Jet 454 V8 LS6 Engine Specs Apr 23, 2021 · Thank you for the 1972 vette specs. Proving there’s no replacement for displacement, the 454 came out of the gate as an absolute powerhouse. So if you're looking for a true cut-above classic, keep reading on about all the details about this low mileage machine. @ 3,600 RPM Compression Ratio: 11. If you think this engine itself is a rarity, our research found that only 188 of the LS6 454 engines were offered in 1971 for the Corvette with these aluminum heads. Big block engines increased from 427 to 454 cubic inches and the powerful 370 hp LT1 small block engine made its debut. The LS5 version produced 390 hp with a hydraulic valvetrain. R. More About the 1970 Corvette. Nov 1, 2006 · In 1970, the Mark IV was treated to a 0. the new engine displaced 454 ci. Apr 19, 2021 · 4. 0 for 454ci engines (capacity of crankcase less filter – refill) Coolant capacity without heater (qts. The '71 HP ratings were generally down a little on hi-po engines from '70 ratings due to the GM mandate that all '71 engines be able to operate on no lead fuel. It was also Jan 30, 2017 · The LS5 454 cubic inch big-block came equipped with 365 horsepower at 4800 rpm, and a new aluminum-head big-block engine identified as the LS6 was rated at 425 horsepower at 5600 rpm. In 1971, the Chevelle's LS5 equipped with a four-barrel car developed 364 horsepower and 465 foot-pounds of torque. FIBERGLASS FACT: The first ZR1 performance package appeared in 1970 (not 1990, as some might believe) and included the LT1 engine and a host of Jul 20, 2003 · The '72 LS-5 454 was rated at 270 HP (net)and had virtually the same specs as the '71 engine with 365 (gross)HP. Vehicle history and comps for 1970 Chevrolet Monte Carlo SS 454 LS5 VIN: 138570F127586 - including sale prices, photos, and more. General Motors dropped their 400 cubic inch limit in time for the 1970 models, and the RPO Z15 took full advantage of this with a 454 cubic inch engine that produced 360 horsepower, but when an optional engine known as the LS6 was installed, the horsepower jumped to 450. Spark Plug Torque 25 lb. 98 × 101. 90@113 MPH My 1964 Big Block Corvette Gasser Dec 16, 2021 · L46 5. 480 lift,115 deg l/s angle. The 1970 LS5 featured a four-barrel carburetor and 11. Also keep in mind 1970 was the 1st and only year where a 'vette didn't have the highest advertised HP. In 1970, the Chevelle came with a wide array of options from the factory, from the base Malibu package, all the way to the LS6 454 Chevelle. 2:1. Bore x Stroke: 4. The torque rating for both cars was 500 foot-pounds. 25:1 Horsepower = 350 @ 5200 Torque = 415 @ 3400 _____ I believe these are the correct camshaft specs, for a 1970 Chevrolet 454 w/LS6. 1970 Chevrolet Corvette Stingray 454 LS5 specs, performance data, engine specifications, pictures. The LS5 with 365 hp, and the LS6 with 425 hp. = 8. 25:1 Horsepower = 275 @ 4400 Torque = 395 @ 2800 _____ I believe these are the correct camshaft specs, for a 1970 Chevrolet 454 w/LS5. Jun 28, 2007 · nah. PHOTO: Mecum Auctions. 73-74 LS-4 intake manifolds were also cast iron but had smaller port size to match the 73-74 cylinder heads. Dec 8, 2006 · The LS5 is a great street motor that really wakes up to a better cam,tweaked q-jet,headers,& ex system just as mentioned above. For the original 1970 LS engine, below are performance specs of the Chevy 454: Displacement: 454 cid (7. Engine: Chevrolet 454 cubic inch (7. 50 Summit cam can run 13. The duration figures, which are taken at . 06: Valve gear: overhead valve (OHV) 2 valves per cylinder 16 valves in total maximum power output (gross) 365 PS (360 bhp A fully restored 1970 Chevrolet Corvette LS5 454 with the numbers-matching big block, original close-ratio four-speed, and terrific color combo is an absolutely beautiful thing. Feb 24, 2021 · All things considered, the 1970 LS5 equipped Corvette produced 390 HP, and 500 lb-ft of torque, while covering ¼ mile in just over 14-seconds. ysovb gzctas pnn eegj sah hkv xgmsxc tysfzo lxunqej efwq