I would assume these are gross ratings and the later are net ratings. site. The baseline 290 ci produced 225 hp at 4700 rpm, the optional 343 ci produced 280 hp and the top-of-the-line 390 was rated at 315 hp with 425 ft.lbs of torque. Quick access to automobile-catalog website -- type in a browser: Search automobile-catalog: this database is huge, use the search field below to find here data you are looking for: The most efficient way to navigate through our huge database and compare cars side by side is the interface located on the, Catalogue of 610 car makes & manufacturers, AMC AMX years, types and editions catalogue (1968-1970), 1968 AMC AMX V-8 390 4-speed (man. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic The pistons have offset wrist pins, resulting in a quieter engine. 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. Timing was set at 34 degrees, and … Detailed engine characteristics. 1968 AMC AMX V-8 390 4-speed (man. So, the company produced the AMX 390 SS. All Makes in automobile-catalog / VIN Check, detailed car history by VIN, Photo of the moment:2014 Infiniti QX60 Hybrid AWD (Photo: © Infiniti Nissan Motor Co.,Ltd.). KB Performance is one of several suppliers of pistons for AMC blocks. The Ford 390 was a big block FE series engine with a 10.17" block deck height, 4.63" bore centers, 4.052" bores, and a 3.784" stroke. Engine horsepower and torque curve for AMC AMX V-8 390 4-speed (man. 1968 AMC AMX V-8 390 4-speed (man. IIRC, the 390 crank has more desirable oil hole locations compared to the 401? It featured lots of modifications and the biggest AMC engine, the 390 V8 with 340 HP. For 1971 the 401 was equipped with a 4-barrel carburetor and produced 330 gross horsepower and 430 lb-ft of gross torque. AMC / JEEP V8 STAINLESS STEEL ENGINE ALLEN BOLT KIT SET 290 304 343 360 390 401. ownership rights to any content, document or other materials viewed through the commercial copying, redistribution, use or publication by you of any such translation, digital conversion and other matters related to the automobile-catalog.com The company offers 12 different hypereutectic 390 alloy pistons it manufactures for 390 and 401 engines. Engine size - Displacement - Engine capacity : Transmission Gearbox - Number of speeds : Acceleration 0 to 100 km/h (0 to 62 mph) : Twin ball-joint design with coil springs. The AMC 390 cu in (6.4 L) 390 produced 325 hp (242 kW) in all except the Rebel Machine. You do not acquire We were in a Jeep club (we ran a 351W powered CJ-5 on nitrous with a toploader), did lots of AMC work. proprietary (including but not limited to intellectual property) rights. (click on photo to view enlarged pictures gallery), Cars Catalogue Homepage - Automobile-Catalog. KB pistons are offered in both the 390 5.74-inch and the 401 3.68-inch stroke lengths. Buy It Now. The 390 had a 4.165 inch bore and a 3.574 inch stroke. These micro muscle cars have been overlooked for too long. during the first years the most power came from a 325 horse amc 390, which eventually would get factory stroked to become a 401. It has a cast iron block and cylinder head with over head valves and hydraulic lifters. 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. The automobile-catalog.com website is only for the on-line view using the internet browser. matters or any part of this site is strictly prohibited. And if you have … The cylinder bore was 4.08 inches and the crankshaft stroke was 3.44 inches. Keith Dorton at Automotive Specialists, Inc. put together this classic AMC 390 that makes well over 500 hp on pump gas. The AMC 360-cubic inch displacement V-8 engine was an overhead-valve design with two valves, one intake and one exhaust, per cylinder. With a curb weight of 3219 lbs (1460 kgs), the AMX 1970 V8 390 Shift-Command Auto has a naturally-aspirated V 8 cylinder engine, Petrol motor, with the engine code AMC V-8 390. 4) Detailed Accelerations, Performance Review, 1968 AMC AMX V-8 390 4-speed (man. AMC was active in the NHRA drag racing championship, but they needed a proper car for the Super Stock class. It featured lots of modifications and the biggest AMC engine, the 390 V8 with 340 HP. This is the first run after breaking a very hot AMC 390 engine. Cranks were cast iron. In the case of the buildup we'reoutlining here, the payoff was 484 hp at a streetable 5,600 rpm andnearly 500 lb-ft of torque at 4,600, with more than 450 lb-ft from 2,500to the horsepower peak. 390ci: 1970: 4.165: 3.574-One year only: special rod and piston for smaller stroke to stay at 390 ci … $48.00. The 390 and 401 engines have forged rods (most other AMC engines use cast rods). 4) in 1968, the model with 2-door fastback hardtop coupe body and V-8 6384 cm3 / 389.6 cui, 235 kW / 320 PS / 315 hp (SAE gross) offered since March 1968 for North America U.S.. The automobile-catalog.com website is only for the on-line view using the internet browser. 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. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic 390: 70-390: 401: Production years: 1965-1970: 1964-1979: 1971-1990: 1966-1969: 1970-1981: 1967-1969: 1970-1991: 1968-1969: 1970: 1971-1979: Bore: 3.75: 3.75: 3.75: 3.75: 3.75: 4.08: 4.08: 4.165: 4.165: 4.165: Stroke: 3: 3.5: 3.895: 3.28: 3.44: 3.28: 3.44: 3.574: 3.574: 3.68: Deck height: 9.531: 9.531/9.281: 9.281: 9.175: 9.208: 9.175: 9.208: 9.175: 9.208: 9.208: Bore spacing: 4.38: 4.38: 4.75: … Sway-bar. 360 and 304 cranks are the same stroke, so there is no reason to swap. in 1968 the model with 2-door fastback hardtop coupe body and V-8 6384 cm3 / 389.6 cui engine size, 235 kW / 320 PS / 315 hp (SAE gross) offered since March 1968 for North America U.S.. 4) in 1968, the model with 2-door fastback hardtop coupe body and V-8 6384 cm3 / 389.6 cui, 235 kW / 320 PS / 315 hp (SAE gross) offered since March 1968 for North America U.S.. Over 40.000 technical specs!! 4 speed) as offered for the year 1968 since March for North America U.S. Got that one and today we have the big daddy of the lineup the AMC 401 V8. Due to the change in deck height from '69 to '70 models, there are two different length rods: '68-'69 390 rods (left) have 5.790-inch center-to-center lengths, while the '70 design (right) is 5.858 inches long. Either motor will have no problem making the goal horsepower with the modifications I listed earlier. 4) Specs Review. Fifty-two AMXs with 390s and 4-speed transmissions with virtually no change to the suspension, received special equipment including Edelbrock cross-ram intakes, dual-quad Holleys, and 12.3:1 Crane modified heads. That’s more what we designed it for. The stroke and deck height on the 290 and 343 were increased by 0.16 in (4.06 mm) on both engines, becoming the 304 cu in (5.0 L) and 360 cu in (5.9 L), respectively. 4) Market Competition Review, How much power ? (note: all AMC V-8s are smallblocks - the 290, 343, 360 and 390 engines are all based on the same block.) ISBN 978-83-931772-0-2 automobile-catalog.com © The complete catalog of cars since 1945 © 2010-2021 by PROFESS Pawel ZalAll rights reserved. No. In 1970, all three blocks grew in deck height and gained a new head design. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of AMC AMX V-8 390 4-speed (man. matters or any part of this site is strictly prohibited. Today, they’re coming on strong among serious collectors. The 304? They built this car in cooperation with Hurst, a famous mod company from the era. Production only lasted one year (1970) before it was stroked to become the 401 cu in (6.6 L). A true 343 Rogue must show engine code Q (1967) or T (1968) in the seventh spot of the VIN. Some product and company names mentioned on this site may be trademarks of their respective owners. With a curb weight of 3221 lbs (1461 kgs), the AMX 1968 V8 390 4-speed Go-Pkg has a naturally-aspirated V 8 cylinder engine, Petrol motor, with the engine code AMC V-8 390. I never had an issue with those engines, they did well and responded well to the normal stuff. Detailed engine characteristisc: Horsepower and Torque Curve. - AMC / JEEP V8 STAINLESS STEEL ENGINE ALLEN BOLT KIT SET 290 304 343 360 390 401. 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. Again, for the dyno tests the engine sported a 750 cfm Braswell carburetor drinking 110-octane fuel. 4) engine Horsepower / Torque Curve. site (including ProfessCars™ and automobile-catalog.com™) are protected under applicable copyrights, trademarks and other 5.0 out of 5 stars. AMC AMX 390 SS. 390-4B: 315 (235)@4600: 425 (576)@3200: 10.2:1: 4.165 (105.8) 3.574 (90.8) 390 … So, the company produced the AMX 390 SS. Violations of copyright will be prosecuted under the fullest extent of the law. 390? “The great thing about this engine is that it makes more than 400 ft.lbs. ... And the 390 bore is the same as a 401, but the 390 block is not all that common. Privacy Policy, Cookies Policy and Terms and Conditions and Disclaimer. TODAY FIND A GOOD USED 390 OR 401 AND YOU'VE GOT THE CORRECT ENGINE TO BUILD FOR ANY CLASSIC AMC CAR. This muscle car engine was rated at 340 hp (254 kW) due to a different intake. 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In 1971, the AMC 360 have very high rating. The AMC 360 was introduced in 1971 in J-series pickups and Wagoneers. You don't need them at the goal power level though. These changes made this the third generation of AMC V8, hence it is sometimes referred to as the "Gen-3" AMC V8. This was AMC’s offering to the muscle car horsepower wars of the era. of torque. All AMC … In order to create the 401, AMC increased the 390’s stroke to 3.68 inches and kept the 390’s bore size. ©2021 Ultimate Specs - The Most Comprehensive Car Specifications Database. Dyno Tested: A 440ci AMC 390 Designed & Built for the Street “The only race American Motors cares about…is the human race.” That’s what AMC … The The 390 was capable of … Brand New. You do not acquire site. It is believed that AMC kept the 390 t… Not so much. 12. From the factory, the AMC 390 was rated at 315 horsepower at 4,600 rpm with peak torque at 425 lb-ft at 3,200 rpm.