The electronic sequential multi-port fuel injection management system gives the engine a distinctive appearance, reminiscent of the high-rise intakes of the muscle cars. When fired, the long-duration Mopar cam exhibited a noticeable idle lope. It differed in that engine displacement was given in cubic inches rather than in liters, the usage character was dropped and the serial number was four instead of eight digits long. Those numbers were encouraging and we were impressed that the hydraulic roller setup easily pulled 6,000-plus rpm. She carried me all over The South and northward to New England. This was another change for the Magnum. The high rate of failure of Magnum heads has created a strong aftermarket demand for low-cost replacement-style heads.
Throttle-body electronic fuel injection was factory equipment on the 1981-1983. Inside the lifter valley, the factory lifters were reused, guided by the stock alignment yokes and spider. Interchangeable rocker arm covers are made of thicker stamped steel and wider flanges to improve stiffness, improve sealing, and reduce valve train noise. In early form the Magnum engine was used exclusively in Dodge trucks such as the Dakota, Ram, Durango and Ram Van. The cylinder block remained basically the same. All versions are made of cast iron, except for the which is aluminum.
She was at 201K when I traded her. Rounding out the breathing combination were the usual performance parts, including an Edelbrock intake, Holley carb, and Hooker headers. In 1988 it was upgraded with and roller tappets which it retained until the 1992 Magnum update. That I got with my 5. Here are the Stock 5.
The profile is long in duration but the cam is very easy on the valvetrain and springs, with very good stability and rpm potential. Air was provided from the air filter intake to the intake manifold by a Holley-designed, aluminum, twin-venturi, mechanically actuated throttle body, which was bolted atop the intake manifold. Maximum Trailer Weight Ratings must be decreased by the weight of: optional equipment, trailer hitch, cargo in the truck, and passengers other than the driver. Starting with 1981, the 360 was exclusively used in Dodge trucks and. The Dodge has no problem towing and going through the mud or snow if its not to deep. The Dakota Quad Cab, which has four conventional doors, is more accommodating and comfortable, despite being considerably smaller.
To add some confusion, not only was the name Magnum used on Dodge passcar hi-po engines 1967-1970s, and vehicle lines in the late 1970s and 2000s, it was also applied to the 5. The combination of rising gasoline prices and insurance company crackdown on high-performance vehicles saw the relatively expensive 340 detuned and phased out. This also included shot peened and forged pushrods, connecting rods and pistons. This 488 cu in 8. The current Ram will continue through the 2001 model year, and Dodge plans to introduce a new version for 2002.
The limiting factor here is the installed height, measuring just 1. By treating all engine accessories as a system, the computer can control accessories as needed to improve engine power and efficiency. With a more radical cam and substantially more spring load, aftermarket pushrods would be recommended, but with our modest springs, the stockers do the job. The pump body is cast, and will crack if you get too crazy. We began our build with a bare, stock 5. It appeared shortly after the 273, in 1967, and proved tremendously successful.
Magnum engines are V-type lightweight, single camshaft, overhead valve engines with hydraulic roller tappets. It can be lowered, lifted ,or stock but as long as it's a truck we want to see it. In 1970, Chrysler offered a special Six-Pack version of the 340 with triple 2-barrel carburetors rated at 290 hp 216 kW that was specific to and models. The rear doors are hinged at the rear and cannot be opened until the front doors are opened. For the 1974 model year it was replaced by the 360 cu in 5.
I loved it so much I kept it but alas, I was hit from behind and the insurance company would fix it so I went out looking for another Dodge. Get 400 Dirt-Cheap Horsepower From The 5. Oil Pump bolts: 30 ft-lbs. Externally, the accessory drive belt was changed to a serpentine system; coupled with an automatic belt tensioner this increased belt life, reduced maintenance and contributed to lower noise and vibration levels. The reciprocating assembly included a cast or forged steel crankshaft, drop forged steel connecting rods and cast aluminum pistons.
With the long duration and narrow spread, it comes with a healthy sounding performance thump. Furthermore, gasoline vapors that would normally be released into the atmosphere were captured by the system, to then be introduced into the engine. We actually assembled our 360 from a bare short-block on the dyno. A 425 hp 317 kW bolt-in fuel injection conversion kit is also available. The cam was teamed with a used stock Magnum valvetrain, including the stock hydraulic roller lifters and retaining system, as well as the stock pushrods and rockers. The cab is very well laid out and unlike the domestic pickups from Chevy and Ford, the fold up center console is a real usable desk. I'm the 3rd owner and the last 2 didn't take care of it.
But overall, I absolutely love this truck. Use a junkyard ThermoQuad on an adapter and you can carb this engine on nothing but your know-how and experience at rock-bottom cost—but hang the results of the execution at your own risk. The upholstery material has held up very well and there are no tears, particularly on the drivers seat where careless drivers don't lift their butts to get out of the vehicle. At the rear of the camshaft was cut a set of helical gear teeth, these being used to spin the distributor. The engine was equipped with hydraulic lifters and two bolt main bearing caps, leading some to initially underestimate the 340's potential. Okay, now for all the bad stuff. Power output was officially stated as 275 hp 205 kW gross for the 4 barrel.