General Challenger

  • General Challenger

    Pro Stock Record Holders

    Pro Stock quarter mile drag racing times have dramatically decreased over the decades, since the class was established in 1970. This has been the result of tremendous advances in technology. To determine who is the fastest competitor, forty-nine years ago, NHRA instituted the Mello Yello Drag Racing Series. The champion is determined by a point system where points are given according to finishing placement and qualifying effort. The season is divided into two segments. After the first 18...
  • General Challenger

    Evolution of Hood Scoops

    Back in middle school science class, we learned that in order to make fire, you need three ingredients: fuel, ignition and air- or, more specifically, oxygen. You’ll also remember that cold air is denser than hot air, putting more oxygen in the same amount of volume. While the modern internal combustion engine does a fine job of delivering fuel and ignition, that cold air part becomes tricky as you try to route fresh air from outside through a hot engine compartment. In response, in the late...
  • General Challenger

    3.6L Pentastar Engine

    A popular cost-conscious alternative for Challenger owners to the 5.7L and 6.4L Hemi engines is the 3.6L Pentastar engine. It replaced the 3.5L engine, in 2012, and is rated at an impressive 305 horsepower and 270 lb.-ft. of torque, with 90% of its torque available from 1,800 to 6,350 rpm. Performance from this modern 6-cylinder engine actually exceeds some small blocks from the first muscle car era. Before the first aluminum block was cast, the new Pentastar V-6 benefited from more than...
  • General Challenger

    The Right Size Wheel for Your Tire

    It is important to ensure your vehicle is installed with a properly sized tire. Each tire size is designed to fit a specific rim width. The correct rim width allows the tire sidewall to flex where the designers meant for the flex to occur. There is a wide range of tires that will fit a specific rim width. After you know what size range of tire will fit your wheels, you can pick a size based on aspect ratio and height of the different tire sizes. A rim that is too narrow in relation to the...
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  1. General Challenger
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    Intake Manifolds

    An intake manifold is the part of an engine that supplies the fuel/air mixture to the cylinders. Its primary function is to evenly distribute the combustion mixture (or just air in a direct injection engine) to each intake port in the cylinder head(s). Even distribution is important to optimize the efficiency and performance of the engine. It may also serve as a mount for the carburetor, throttle body, fuel injectors and other components. The design and orientation of the intake manifold is...
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    Leasing vs. Buying

    How does the cost of leasing a Challenger compare to buying it, in terms of out-of-pocket costs? Or if you decide to buy a used Challenger, how much more will you save? And finally, what do those costs look like in the long run? These are important questions for buyers who want to carefully manage their automotive expenses over the years. It's hard to give one answer that covers all people and all situations. But the question can be divided into two parts: 1. An analysis of the hard costs...
  3. General Challenger

    Li-Ion Batteries

    We are now entering the electric car age. These vehicles are powered by Li-Ion batteries. This type of battery is energy dense and durable. However, it can also be unstable and prone to catching fire under certain circumstances. But not all Li-Ion batteries are suited for vehicles. How Do They Work? Lithium ions store the energy by creating an electric potential difference between the negative and positive poles of the battery. Those are isolated using a separator material to prevent...
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    Limited Edition Challengers

    Over the past 13 years, Dodge has employed a marketing strategy of releasing an array of limited edition models. Here is the staggering lineup. 2008 SRT8 The inaugural edition of the Challenger was numbered, X of 6,462, and came equipped with the 425 hp. 6.1 Hemi engine with 425 lb.-ft. of torque. It also featured an Auto Stick Automatic, 20-inch Alcoa forged aluminum wheels, 245/45-20 Goodyear tires, Brembo brakes, etc. Color choices were Hemi Orange, Brilliant Black Crystal and Bright...
  5. General Challenger

    Limited Slip Differentials

    A limited-slip differential (LSD), or “anti-spin” differential is a type of differential that allows the rear wheels on a vehicle to turn at different speeds when executing a turn. They are widely used in high performance and four-wheel-drive vehicles because they provide superior traction abilities. Various types of differentials can be classified as "anti-spin." These include limited slip, locking and spool differentials. Each performs differently on and off the road. Generally, only...
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    Line Lock

    A line lock is a device that allows the front brakes to lock independently of the rear brakes, via a switch. The device is an electric solenoid that controls a valve which allows the brakes to be controlled individually. This allows the front brakes to be locked and the rear brakes to be open, and allows the driver to spin the rear wheels without wasting the rear brakes. This method is referred to as line lock and is popular among drag racers. Cars with manual transmissions allow drivers to...
  7. General Challenger
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    Modern Hemi Engines

    Modern Hemi production began in June 2002 at the Saltillo plant in Mexico. The first-generation 5.7 liter produced up to 350 horsepower at 5,600 rpm and 375 lb-ft of torque (4,400 rpm)- one horsepower per cubic inch- just like the legendary 426 Hemi. It was smaller, more powerful, and cheaper to build than the LA-series 360 V8 and the "Next Generation" 4.7 liter V8 it replaced, but produced more power and torque. It hooked up to the Mercedes 5-speed automatic, Chrysler's 5 and 6-speed truck...
  8. General Challenger

    Mopar Automatic Transmissions

    Modern automatic transmissions can trace their origins to a gearbox that was developed in 1904 by the Sturtevant brothers. This unit had two forward speeds, the ratio change being brought about by flyweights that were driven by the engine. At higher engine speeds, high gear was engaged. As the vehicle slowed down and engine rpm decreased, the gearbox would shift back to low. One of the key developments in arriving at an automatic transmission was the use of planetary transmission in the...
  9. General Challenger

    Mopar Engine Colors

    Automobile engines are usually painted bright colors, like red, orange or blue. This just isn’t for appearance. There is a practical purpose. Bright colors enable leaks to be spotted easily. Here is a list of engine colors (and paint codes) used by Mopar, from 1962 to 1971. Race Hemi Orange- Mopar P4120751 1962-1964 Max Wedge engines (413 and 426 Cross Ram) 1964-1965 426 Race Hemis Street Hemi Orange- Mopar P4349216 1966-1971 426 Street Hemis 1969-1971 High performance 383 and 440...
  10. General Challenger

    Mufflers

    Since the beginning of hot rodding, enthusiasts have tinkered with their car’s exhaust system, particularly the mufflers, to get the “right sound.” A muffler’s job sounds easy enough- reduce exhaust volume to tolerable levels while allowing the sweet sounds of your ride to waft through the air. But this becomes a monumental task as horsepower increases. Engines build horsepower by pushing spent exhaust out of the tailpipe as fast as possible. As pistons furiously churn, exhaust velocity...
  11. General Challenger

    Need advice

    A new car dealer has a 2017 Mopar edition that was never sold. Less than 50 miles. Sticker was 63,000 reduced to 50,000. Question I have what is the better choice. A 392 scat pack or the Mopar edition? Seems the Mopar edition is around Hellcat price. I have a 14 Mopar edition, don't see many for sale. Depends on what I can get. Thanks
  12. General Challenger

    New front grill insert.

  13. General Challenger

    New LED's for my 2009 R/T. Pictures do not do it justice!

    Well I've been waiting around to win the lottery so I could afford some LED tail lights. So just for giggles I bid 400 bucks for a set on eBay and the offer was accepted. I ordered my three layer center decal in advance so I put it on before the lights. It was a little tall so I just trimmed it before I took off the paper. I always wanted a blacked out rear end but I never liked those covers that went over the stock lights of the 2008 through 2014. I purchased the smoke set and it does not...
  14. General Challenger

    Nitrous Oxide

    Juice. Squeeze. Laughing gas. Nitrous oxide has many aliases. It can inject a healthy dose of horsepower into an engine, via direct port, carburetor/throttle body plate, air intake tube or, air cleaner injection, to give a race car the winning edge at the track. In racing, nitrous oxide (often referred to as just "nitrous") allows an engine to burn more fuel by providing more oxygen than air alone, resulting in a more powerful combustion. The gas is not flammable at a low...
  15. General Challenger

    Paddle shifters

    Paddle shifters, once exclusive to race cars and exotic sports cars, like the Ferrari F430, are now becoming commonplace on performance cars with automatic transmissions. This is because manual transmissions are going away faster than the landline telephone. Critics of automatics say that they take the passion and command out of driving. Paddle shifters, however, bring some of that joy and control back by allowing drivers to manually shift an automatic transmission with steering-wheel or...
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