Power outputs varied from year to year over this engine's long production run. All Rights Reserved, All content with exception of private works and now that'll definitely take the "all my cash" out of amc. The AMC 360 was introduced in 1971 in J-series pickups and Wagoneers. The flywheel retaining bolts at the rear of the block need to be tightened to between 100 and 110 pound feet of torque. and torque ratings for this version are significantly better. Again, the three-speed manual was standard, and the automatic was optional, but the high output 360 could also be had with a four-speed manual as well. But hope to soon. The reverse-dome and flat-top piston designs produce different compression ratios for each bore diameter, with 10.0:1 to 11.7:1 ratios for the 360 oversizes and 10.3:1 to 12.8:1 for the 401 oversized cylinders. 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. How many horsepower (hp) does a 1971 AMC Ambassador 1971 Hardtop 360 V8 4-Barrel 220HP Auto Brougham have? The Dodge 360 engine was produced from 1971 to 2002 by the Chrysler Corporation. Engine horsepower and torque curve for AMC Matador Coupe V-8 360 automatic (aut. I would assume these are gross ratings and the later are net ratings. The 401 had the same external dimensions as the 304, 360, and 1970 390. With a curb weight of 3662 lbs (1661 kgs), the Ambassador 1971 Sedan 360 V8 4-Barrel 195HP Auto Brougham has a naturally-aspirated V 8 cylinder engine, Petrol motor, with the engine code AMC V-8 360. The compression ratio was 9.0 to 1 in 1970, 8.5 to 1 in 1971 and 1972, and 8.25:1 in all later versions. The 360 heads have bigger valves. 300hp is very easy to get out of an AMC 360. I'd like to make these numbers with-in the 1500-6500 rpm range. Horsepower and torque rating continued to go down slightly through the 1970s as more pollution equipment was added and leaner tuning was adapted to reduce emissions. The 250 was offered in 135, 160, 170, 175, 178 and 185 horsepower versions. The AMC 360-cubic inch displacement V-8 engine was an overhead-valve design with two valves, one intake and one exhaust, per cylinder. And yes there is a difference, a big difference. The normal oil pressure for this engine is 46 pounds per square inch. Completing the transfer of torque was AMC's Model 20 open differential; Twin-Grip was optional. After-market support for the 360 is great, and with the right parts, it can easily make 450 horsepower and still have great street manners. I do not have current numbers at this time. I would assume I'm tempted to pull the 4.0 out'a my Jeep and install a 360 AMC. these are gross ratings and the later are net ratings. I friend with a lime green Gremlin X, it was pretty fast. ran good with a 4 speed. Connecting rod bolts require 25 to 30 pound feet of torque. AMC 360 Engine Build - 370-Inch 480HP AMC Combo Four: Lunati "Small" Cam For you guys who want to run power brakes and have a milder idle, we swapped in a smaller Lunati cam with 221/230 @ 0.050 and 0.484-inch intake/exhaust lift with a 1.6:1 rocker. The 390 on the other hand would be retired at the end of the 1970 model year. This engine comes equipped with a Edelbrock Dual Plane square bore flange intake and will run on leaded or unleaded pump fuel. Rambler, an American car maker of the 1950s, changed its name to American Motors Corporation (AMC) in 1954. Engine specific production specifications for 360 - 401 engines! The 304 and especially the 360 would have production longevity. In 1973, an optional 4bbl carburetor was available. Also see our other ad for higher compression bigger horse power 360. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, Froadin: 360-401 AMC Engine Specifications, Allpar: American Motors Corporation History 1954-1987. This engine produces a maximum power of 198 PS (195 bhp - 146 kW) at 4400 rpm and a maximum torque of 400 Nm (295 lb.ft) at 2900 rpm. The AMC small block V-8 was introduced in some of its 1965 cars. In most cases by replacing the flexplate/flywheel this AMC 360 will replace that tired AMC 304 or AMC 360. JEEPTECH.COM Unlike many of the products Four-barrel carburetor equipped 360 engines were available until 1976 and had slightly higher horsepower and torque ratings than the two-barrel version. Now that the 390/340 "Machine" has been factored to 315 Hp. AMC 360 V8 For example, the first engines of this type had 175 horsepower. And it was a solid car surprisingly. AMC 360 V8 Bore x Stroke 4.08" x 3.44" Displacement 360(5.89L) Compression Ratio 8.5:1 Horsepower (net) [email protected] Torque (net) [email protected] Main Bearings 5 Valve Configuration OHV Fuel 2bbl In 1973, an optional 4bbl carburetor was available. The 304 was dropped by the end of 1981likely due to the fact that AMC's six-cylinder was making more horsepower than it, and its emissions were no better than the 360's. The cylinder head bolts should be torqued to between 100 and 110 pound-feet. The Dodge 360 was a 5.9 liter engine. corporate trademarked logos are property of Jeeptech.com. The 1970 AMX 390 remained at the same displacement by using a special rod and piston for this year only. Last modified Wednesday, 01-Dec-2010 08:33:49 MST, [ Remanufactured Long Block AMC 360 1972-1991-Remanufactured, NOT rebuilt. For instance the 1970 and 1971 360 with a two-barrel carburetor had 245 horsepower at 4,400 rpm and 365 pound feet of torque at 2,600 rpm, while 1972 and later versions had 175 horsepower at 4,000 rpm and 285 pound feet of torque at 2,400 rpm. Later models, such as the 360 four-barrel engine, which had a horsepower of 220, generally had more horsepower than the earlier ones. Jeep Tech Main Page | In 1971, the AMC 360 have very high rating. The harmonic balancer mounted to the front of the crankshaft needs to be tightened to between 53 and 58 pound-feet. The AMC Ambassador 1971 Hardtop 360 V8 4-Barrel 220HP Auto Brougham has a V 8, Petrol engine with 5896 cm3 / 359.8 cu-in capacity. The horsepower and torque ratings for this version are significantly better. It is believed that AMC kept the 390 t All AMC V-8s are based on the same block, from 290 all the way to 401. The intake manifold bolts on top of the block need tightened to between 40 and 45 foot pounds, while the exhaust manifold bolts on each side of the block only require 23 to 27 pound feet of torque. It has a cast iron block and cylinder head with over head valves and hydraulic lifters. AMC Production Specifications: These specifications were produced in the early seventies. Picture is a picture of previous built engine. The horsepower Terry's Jeep Page The main bearing cap bolts need to be tightened to between 95 and 105 pound-feet. we've already beaten that by almost 200, and we've only got about $6,500 dollars into this whole project. Follow along as we complete the budget AMC 360 engine build for our 1967 AMC Rambler project car and dyno test several parts combinations for 480 horsepower - Car Craft Magazine The 304 and 360 share the same stroke, the 360 has a bigger bore (4.08 vs 3.75). There's no replacement for displacement. Early versions built in 1970 and 1971 have higher output ratings than the 1972 and later versions, but this is mainly due to the rating method used. The Mopar 360 is the easiest and cheapest way to build a fast small-block Mopar. When assembling or rebuilding an AMC 360 V-8, it is imperative to torque the retaining bolts for the various parts to the correct tightness. look out. These changes made this the third generation of AMC V8, hence it is sometimes referred to as the "Gen-3" AMC V8. The upgraded 360 was one fitted with a four-barrel that touted 285 hp (gross). The cylinder bore was 4.08 inches and the crankshaft stroke was 3.44 inches. It all depends on what you want to spend. It has a cast iron block and cylinder head with Ron. View this page as large as possible, and under high resolution for best results. 2007 Publications International, Ltd. Based on the compact Hornet, the SC/360 offered a 360-cid V-8in 245-bhp two-barrel form or, as shown here, a 285-bhp ram-air four-barrel. It was replaced by the AMC 401 which used AMCs third generation V8 architecture. It's also the easiest to find. In standard form, it had a two-barrel carb and a modest 245 bhp. This combination was offered by AMC to achieve a 12.5:1 weight to horsepower ratio for insurance rate calculations. In standard form, with two-barrel carburetor, the 360 produced 245 hp (183 kW; 248 PS) (gross) and was priced at just US$2,663 (about $40 below the 1971 Plymouth Duster 340). AMC 360 V8; Bore x Stroke: 4.08" x 3.44" Displacement: 360(5.89L) Compression Ratio: 8.5:1: Horsepower (net) 195@4400: Torque (net) 295@2900: Main In 1971, the AMC 360 have very high rating. 360-4B(Late) 295 (220)@4800: 395 (535)@3000: 10.5:1: 4.08 (103.6) 3.44 (87.4) 390-4B: The $199 "Go" package included a four-barrel and a ram air setup for a more satisfying 285 bhp. 3) in 1978, the model with 2-door fastback coupe body and V-8 5896 cm3 / 359.8 cui, 104.5 kW / 142 PS / 140 hp (SAE net) offered since September 1977 for North America U.S.. These pistons are made for AMC/Jeep 360 and 401 engines in .030-inch and .045-inch oversize cylinder diameters. For instance the 1970 and 1971 360 with a two-barrel carburetor had 245 horsepower at 4,400 rpm and 365 pound feet of torque at 2,600 rpm, while 1972 and later versions had 175 horsepower at 4,000 rpm and 285 pound feet of torque at 2,400 rpm. You can go with a differ cam, intake, pistons, heads, exhaust, etc. It all depends on what you want to spend. The 1971 AMC Ambassador 1971 Hardtop 360 V8 4-Barrel 220HP Auto Brougham has 223 PS / 220 bhp / 164 kW. 300hp is very easy to get out of an AMC 360. 1983 AMC Spirit GT 360 V8, from Country Classic Cars in Staunton, IL. And while the AMC 360 V-8 had plenty of grunt down low, we never really got to rev it to a point that it made any reasonable amount of horsepower. Wagoneers. You can go with a differ cam, intake, pistons, heads, exhaust, etc. AMC continued to refer to some of its cars as Ramblers into the 1960s. The AMC 360 was introduced in 1971 in J-series pickups and Thanks for taking a look, we appreciate it! Like the title says, I need some help/assistance in dialing in my AMC 360 Build. It makes more power than the 318 and it's a lot cheaper to build than a 340. My goal for this motor is to have a respectable dyno of 430hp and near 400ft-lbs of torque. ], Copyright 2001, 2000, 1999, 1998 are net ratings. The 360 was first introduced in 1970 as a replacement of the 343 V-8, and was used as late as the early 1990s in the Jeep Grand Wagoneer. Four-barrel carburetor equipped 360 engines were available until 1976 and had slightly higher horsepower and torque ratings than the two-barrel version.When assembling or rebuilding an AMC 360 V-8, it is imperative to torque the retaining bolts for the various parts to the correct tightness. Thats because it The bore spacing on the engine block was 4.75 inches center-to-center. Post Nov (john)>> a 360 with a four barrel package back in the day made about 295 horsepower. In 1970, all three blocks grew in deck height and gained a new head design. In 1972, the 2bbl 360 is more conservatively rated, presumably these This engine was enlarged several times over the next few years as AMC's vehicles got larger and required larger displacement power plants. over head valves and hydraulic lifters.
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