- April 12, 2021
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However, an even earlier attempt at a Rebel-based muscle car was produced by the AMC's engineering team: a 1967 two-door built as a development "project" car for carburetion-testing purposes, as well as with "Group 19" high-performance options and the car was re-equipped with a modified 390 cu in (6.4 L) engine with an … Address. While that undoubtedly upped the sleeper factor for this rare machine, it also didn't stray very far from the Gremlin's economy car origins, and the aesthetic just couldn't generate the same level of "cool factor" for most buyers who were cross-shopping the model with the Roadrunners, GTOs, and Firebirds of the day. Randall AMC was no bandwagoning late-comer to the high-performance dealer game though. Molnar Technologies H Beam rods are machined from billet 4340 steel, and then heat treated to provide improved strength. On the rare occasions that they do become available the asking prices have been fairly lofty, which may see these cars becoming collector curiosities rather than show-going drivers as the years roll on. Old K1 part number: 390 … All are good and have AMC applications. All rights reserved. Has Been A Continuous Presence In … Stock AMC main journal sizes, Rod Journal Size is 2.100 small block chevy diameter. 1970,AMC, AMX, Javelin, Jeep, Rebel, 1970, 360, 390, & 401 core cylinder head. With less than two dozen examples built in total between 1972 and 1974, the Gremlin 401-XR is a rare bird indeed. PN 1102 Dual Outlet Option. Buy the rolling chassis, put a red white and blue Amc paint scheme on it, drop a good 401 in it and turn much better than a 10.20. With AMC taking the SCCA Trans-Am championship in 1970, the company was starting to look like one of the few manufacturers who were still interested in catering to young performance buyers, and Randall AMC would quickly become the go-to shop for the most potent American Motors hardware. of torque when used with #7531 intake and #60119 cylinder heads on a 401 engine. AMC’s factory V8 package included the beefier suspension and brakes that a car with this sort of power to weigh ratio would need, so for under $3K, buyers could get that bigger engine in an otherwise unmodified 304 car and run 13-second quarter miles right off the showroom floor. 401 AMC … The 401 was the biggest, strongest engine that AMC offered. Meanwhile, Tasca Ford was finding ways to put big-cube power in the hands of younger buyers who couldn’t afford the expense that came along with the Shelby Mustangs, while Mr. Norm’s Grand Spaulding Dodge would grow to become a performance mecca for Mopar enthusiasts throughout the 60s. $ 250.00. Edelbrock part #7132 Performer RPM Camshaft is designed for AMC 343-401 V-8 applications. Randall AMC of Mesa, Arizona would emerge as one of the premiere performance houses for American Motors machines. In spring of 1972, Car Craft put a well-optioned Gremlin 401-XR through its paces. Having the choice of two outlet positions can make it easier to run fuel lines to the pump. Please scroll down for more info. AMC Performance Pistons & AMC Racing Pistons. In its first two years on sale, the Gremlin was only offered with six cylinders under the hood, good for a best-case scenario of 150 horsepower from an optional 4.2-liter mill in 1971. Though the addition of “X” package in 1971 gave the Gremlin some visual appeal, the compact was still lacking the hardware to really attract performance-minded buyers. Fact 930: AMC’s final performance model was the 1979–1980 Spirit AMX. Engine type: AMC V-8 401: Displacement: 6.6 l (401 ci / 6571 cc) Power: 335 ps (330 bhp / 246 kw) @ 5000 rpm: Torque: 583 Nm (430 lb-ft) @ 3400 rpm: Power / liter: 51 ps (50 hp) Power / weight: 207 ps (204 bhp) / t: Torque / … D.S.S. The real fun started when they did a buildup of a 401 and got 481 HP and 497 FT Lbs of torque. 360 390 401 AMC stroker crankshaft billet steel 4 inch stroke. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Several ATI Super Dampers are listed for AMC 304-401 engines, including units for internal and external balance crankshafts. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Use various parts that don't compliment each other well … Image: Gremlin X. Once AMC had developed components to get the Gremlin to accept the 304ci V8 for the 1972 model year, a swap to the larger-displacement, 255 horsepower 401ci V8 was almost inevitable. While its brute strength was only on display from the factory for one year, its reliability and toughness lasted nearly all the way to the end of the decade. Images: Ganymede. That certainly provided the Gremlin with a significant weight advantage, but it wasn’t until 1972 that AMC would offer V8 power in the Gremlin. This AMC 401 crate engine by Blue Monkey Performance would be EXCELLENT for that AMX, Javelin, Jeep Wagoner, etc with its 406hp @ 5000rpm and 484ft lb of torque @ 3,000 rpm it will set you back in the seat and still has good all around power. A batch of 401 engines awaiting installation in Gremlins that were earmarked for 401-XR conversion at the Randall AMC dealership. If you want to use a 1972 or later style flexplate / flywheel a concentric adapter will be required. The two motors’ external dimensions are identical and thus required no special fabrication to make the 6.6-liter power plant work with the factory motor mounts and crossmember, while the heavy-duty suspension and larger brakes equipped to the 304 V8-powered Gremlins made the transplant largely hassle-free for the dealership. | wrist pin size of 1.000 in. Keep in mind that one horsepower per cubic inch is a good rule of thumb for a performance daily driver and the more horsepower per cubic inch, the less drivability. If the power to weight ratio was becoming an issue with model bloat toward the end of the muscle car era, the Gremlin served as a utilitarian response to the problem. Opening Hours. but why overlook the 360. another amc performance engine first available in 1970. unlike the other classic pair, the 360 had a two decade production line. Performer cylinder head #60129 and #60139 have a machined heat crossover for 50-state emissions legal performance. The 390 and 401 engines used larger ones than the smaller 304, 327, and 343 mills. The more you spend on performance parts, the easier it will be to hit your objective of 500 HP. With a 96-inch wheelbase, this diminutive compact weighed in at roughly 2600 pounds depending on its configuration, which made it nearly half a ton lighter than a ’71 Ford Mustang or Dodge Charger. Forged Pistons Are Stronger And Longer Lived Than Cast Pistons. Refurbished. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. today find a good used 390 or 401 and you've got the correct engine to build for any classic amc car. Their dual-quench combustion chambers produce approximately 9.5:1 compression in 401 V8 engines. Categories: Ambassador, AMX, concord, Gremlin, Hornet, Javelin, Jeep, Marlin, Matador, Pacer, Performance, … Image: Hobby DB. By the tail end of the 1960s, the gloves were off in the factory horsepower wars — nearly every major domestic automaker had a massive V8 that made gobs of power available on the options sheets of their performance-focused coupes. They’d also put together a “how-to” guide for AMC performance, outlining tuning, blueprinting, parts combinations, and other tips for enthusiasts looking to dial more capability into their cars. Free shipping. | rod length of 5.858 in. But these high-performance dealers were also among the first casualties of the seismic shift that happened in the industry in the early 1970s, and as factory high-performance offerings began to be killed off, so too were the ultra-high performance models built by these dealers. AMC 550HP Fuel Pump Installation Instructions and Troubleshooting Guide, Can be upgraded later to an 1100HP for $100, Valve Body Can Be Rotated To Any Angle: No Disassembly Required, Bottom "Vapor Return" Port: 1/8 NPT (metered), Recommended Fuel: Gasoline or gasoline/ethanol blends, Recommended MINIMUM Feed Line Size: 3/8" (or –6AN) up to 450 hp; 1/2" (or –8AN) up to 550 hp, Recommended Pre-Filter: Factory In-Tank Filter or RobbMc PN 1024. AMC FANS, YOU TOO CAN FEEL THE POWER! A nice roller cam will buy you some extra ponnies as well. 401 AMC Wiseco Pro Tru Street series forged reverse dome top piston set. This AMC crate Stroker engine by Blue Monkey Performance would be EXCELLENT for that AMX, Javelin, Rebel, Scrambler and etc.It will set you back in the seat and still has good all around power. ALL RIGHTS RESERVED. The fact that similar adjustable Gabriel shocks were standard on the limited-production 1957 Rebel—AMC… If there is one AMC V-8 block to have, it's the 401. More Buying Choices$89.99(2 new offers) A-Team Performance HEI Complete Distributor 65,000-volt Coil Male Cap Compatible with AMC Jeep V8 290, 304, 343, 360 390 401 One Wire Installation, Red Cap. Performance Products For The Rest Of Us. Among the nearly 360,000 AMC Gremlins produced between ’72 and 1974, just 21 examples of the 401-XR would be built in total. 401-4SR 401 … In 1976 it was rated at 215 hp (218 PS; 160 kW). Go on all the Chevy pages talking about how you are doing an Amc swap to it. Voodoo Crankshaft - GM … This low-mileage example went up for bid in 2015 for an optimistic sum of $60,000. 4.4 out of 5 stars120. This option places an additional outlet on the side of the pump, 180 degrees from the inlet port. By the time Randall AMC was ready to unleash the Gremlin 401-XR upon the unsuspecting public, the dealership had already established itself as an authority on AMC performance, both from the tuning and modification services they provided their customers as well as the "Speed Bible" they'd put together that outlined strategies on how to get the most out of AMC hardware. | Compression is 9.5-1 with a 58cc head chamber While rebuilding the 401 V8 from my ’77 Wagoneer, I found … This Edelbrock cam kit produced 433 HP & 489 ft-lbs. Performance. $199.00. The 45° intake seat angle offers improved mid- to high-lift flow over the stock 30° angle. Lover of noisy cars, noisy music, and noisy bulldogs, Brad can often be found flogging something expensive along the twisting tarmac of the Angeles Forest. AMX with a claimed 700 Horsepower on the set. Rear Flange 6 Bolt AMC 1971 and earlier style. These pistons include thicker decks and performance optimized piston ring lands. Well, technically there are two blocks to have. Randall AMC dealership in Mesa, Arizona, apparently didn’t get the message though. Wish List Compare #73925-16 Valve Spring Kit (GM LS Engines, 650" Lift, Steel Retainers) $262.16. 17/04/2020 . Our "Choppy" idle has the definitely performance "Chop" and can be driven daily but is not recommended for long trips or as primary daily drivers. Add to cart Details. This, in turn, resulted in the rise of high-performance dealers across the country. Image: Gremlin X. High Performance Connecting Rod Store. Mosler MT900 (435 hp) gets 6.95 stars, Lamborghini Murcielago (572 hp) and Dodge Viper … Payment Returns Security Shipping. But while the tide was turning away from muscle cars in the early 70s, AMC bucked that trend by offering its 304 cubic-inch V8 in the Gremlin in 1972, which in turn set the stage for a 401ci V8 swap. 4340 H-Beam Rod Set - LS1 LS2 LS6 6.125. 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The … Add to cart. Randall AMC dealership in Mesa, Arizona, apparently didn’t get the message though. Any AMC intake manifold can be utilized but if it’s performance your looking for, the choice is clear, the Indy 401-3 single plane intake. For a mere $2995 a buyer could leave the Randall dealership with a Gremlin 401-XR which was essentially factory stock aside from the engine swap and good for high 13-second quarter mile times right out of the box. 401 Core. Wish List Compare. In 1972, with the endorsement of AMC corporate, the performance dealer would unleash the most potent “factory” Gremlin ever produced — … However, alongside this steady climb in horsepower was a trend that saw muscle cars getting bigger and more laden with options and accessories. Also and maybe more … Shop 401 AMC V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. To make the rods even stronger, they are … The 401 would have put AMC on a level playing field with the powerful around 400 cubic-inch V8 powered performance … 1974 amc 401 The 401.11 cu in (6,573.0 cc) [20] produced 330 hp (335 PS; 246 kW) gross in 1971 and 255 hp (259 PS; 190 kW) net from 1972 to 1975. While it was enough to keep the Gremlin a lively option at a time when viable performance models were becoming a rare commodity, it fell far short of the true potential of the package in the eyes of Grant and Mike Randall. Image: Randall Rambler/AMC Jeep Eagle FB Page. Though only the 1979 model offered an optional H-code 304 V-8 (all 1980s got the C-code 258 six), both featured adjustable Gabriel Strider shock absorbers. For enthusiasts with the means, pavement scorching capability was readily accessible nearly everywhere you looked. true to the amc … Outfits like Yenko Chevrolet and Grand Spaulding Dodge would become recognized commodities for capability they could dial into these already-potent factory machines. Due to their scarcity as well as the difficulty in proving authenticity, coming across an original 401-XR is difficult today. The 401 crank has a 3.68-inch stroke and is more than manly enough withjust a polishing of the journals and chamfering of the oil holes tolive. DSS Racing Produces Forged Pistons and Stroker Kits For Racing Engines. 401/406HP AMC Crate High Performance balanced engine AMX Jeep Javelin CJ. 0 - 100 kph: 6.6 s: 0 - 60 mph: 6.2 s: Top speed: 232 kph (144 mph) Powertrain specs. Home; Connecting Rods; Crankshafts; Blog; Contact; About; View Cart; AMC 360 390 401 Connecting Rods . 401 Core quantity. 217-676-2660 http://ncperformanceinc.com/ As illustrated by Car Craft in May 1972, a well-optioned 401-XR could post much better quarter mile times than the base car, as their best run of 12.22 attests. $505.79. Aside from some badging, there was little to help discern a Gremlin 401-XR from a garden variety Gremlin X. Incorporating suggestions from many of today’s leading AMC performance engine builders, Wiseco is manufacturing flat top and reverse dome oversize 360 pistons and 401 pistons. $8,995.00. Home Products FAQ Contact About Us Garage Sale Customer Rides Like us on Facebook! Outfitted with the optional ignition, exhaust, and camshaft upgrades, the magazine posted a quarter mile run of under 12.3 seconds — more than a second and a half quicker than a “base” Gremlin 401-XR. Though this seller couldn't find any takers, the listing does provide a vague barometer of how valuable these original cars are today. Wish List Compare. However, cloning a 401-XR is essentially the same process for intrepid DIYers today that it was for Randall AMC back in the early 1970s, so getting 401ci power into the engine bay of a Gremlin remains a fairly straightforward proposition — provided you can find the parts needed to do the swap. © 2017 Power Automedia. ATI Performance Products also makes available AMC harmonic balancers. In most cases by replacing the flexplate/flywheel this AMC 427 CID engine will replace that tired AMC 304 or AMC 360 or 401. The AMC 401 proved to be a powerhouse motor for the 1970s, where AMC went wrong was it should have released the 401 much sooner, such as during the mid-1960s where it could have powered AMCs performance cars and its family oriented cars. $ 1,100.00. We will safeguard your e-mail and only send content you request. The camshaft works well with high-performance's street applications, Performer RPM cams … Since 1967 the dealership had been hopping up Hornets, Ramblers, and other AMC vehicles. And whether at the drag strip or out on cruise night, the inherent desire to make one’s ride stand out among a sea of capable performers saw a contingent of buyers looking for something beyond factory-spec, but would offer a bit more refinement than a straight-forward DIY project. The AMC 401 V8 was the powerful around 400 cubic-inch displacement V8 engine which AMC sorely needed since the mid-1960s. These shops would take delivery of factory machines and inject an additional dose of capability that went beyond what the automaker’s top tier offering could provide. While the capability of the Gremlin 401-XR was undeniable and the value proposition to enthusiasts looking to go fast in 1972 was seemingly alluring, AMC’s reputation as an economy car builder who had touted at the debut of the 1964 Rambler Typhoon that “the only race we care about is human race” proved difficult to shrug off in the eyes of the performance-minded buyer. Countdown To The Carlisle GM Nationals – Are Your Registered. However, those willing to spend a bit more could choose from a healthy list of options that included headers, a four-speed manual transmission, a Twin Grip rear end, a high rise intake manifold and other go-fast goodies. The AMC 401. Images: eBay. Watch. By then federal regulators had already had their way with the automotive industry, and AMC’s top-spec 304ci V8 only made 150 (net) horsepower. The 401 Javelin should have (at least) seven stars for its acceleration. that is if you can find one, and if you can write the check once you do. AMC 550HP Fuel Pump – PN 1004 Applications: AMC 290-401 Series V8. As a result, well-sorted tribute cars have proven to be much more accessibly priced. Steve Clary's 401 AMC getting dyno tested at New Covenant Performance Inc. in Mount Auburn, IL. $83.99$83.99. In 1972, with the endorsement of AMC corporate, the performance dealer would unleash the most potent “factory” Gremlin ever produced — the 401-XR. The heads are offered bare or assembled with stainless steel 2.10-inch intake valves and 1.65-inch exhaust … Just all depends on how much you want to spend to get what you want. While this provided more luxurious cruising, it also translated to more weight, a well-known enemy of performance. This forged AMC 401 piston set is for use with a .030 oversize bore of 4.195 inches | standard stroke crankshaft of 3.680 in. Monday: 07:30 - … Does any one have either of these two style brewer heads? Indy Cylinder Head has two AMC performance aluminum cylinder heads available. Since the external dimensions of the 304ci V8 and 401ci V8 are identical, fitment of the bigger-displacement motor was a straight-forward proposition. This versatile head is a perfect performance candidate from a street machine to 4 wheeling, or even a bracket race combination where more power is needed. Two diameters, 7.07- and 6.325-inches are offered, and you have the option of a two-ring (six-groove retained durometer O … The standard outlet port is on the bottom of the pump. At a time when General Motors had a corporate rule that made any motor in excess of 400 cubes verboten in anything but a Corvette, Don Yenko came to the rescue with his L-72 427ci-powered Yenko Camaros, Novas, and Chevelles. In most cases by replacing the flexplate/flywheel this AMC 401 will replace … Buy It Now. Street Performance Hydraulic Roller Lifters - Ford V8 221 - 302, 351W, 351C, 351M, 400 (Set Of 16) $421.11. D.S.S. © 2020 ROBBMC PERFORMANCE PRODUCTS. GSX And XR Pistons Come Standard With The Patented X Groove Which Fights The Damaging Effects Of Fuel Washdown And Wear Debris. When enthusiasts sought an edge over the competition during the original muscle car era, they often turned to high-performance dealerships for both knowledge and parts. amc parts amx parts carpet kits jeep aftermarket parts high performance indy cylinder heads forged pistons racing street amc high performance timing covers amx restoration engines 401 360 390 t-10 amx javelin hurst weather stripping seals rebel machine s/c 360 hornet pacer ambassador marlin american scrambler … Images: Wiki Commons, eBay. The 401-SR heads are offered for street applications and feature 61cc combustion chambers, 105cc exhaust ports and a 235cc intake port.
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