In recent years, Dodge has produced four different Hemi heads. Here is a brief description of each. In 2003, the 5.7 Hemi received the first, followed in 2005 by the 6.1 hemi design. In 2009 and 2011 respectively, the 5.7 Hemi Eagle and 6.4 Hemi Apache head appeared along with Variable Valve Timing (VVT) and the larger 392-inch engine. As the engines got larger, the heads improved with the help of larger valve sizes and improved ports. As cams got bigger, the beehive springs got more...
General Challenger
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Hemi Heads
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The Origin of Scat Pack
The Dodge Scat Pack was originally introduced in 1968 with the Charger R/T, Coronet R/T, Dart GTS, and Super Bee. In 1969, the Charger Daytona joined the Pack. In order for a car to enter the Scat Pack it had to be capable of running the quarter mile in the 14s (14.99 sec. or faster). Mainly a marketing term, Scat Pack cars got twin bumblebee stripes and special decals. It became legendary in the enthusiast community and symbolized one of the most feared groups of street machines every to...
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how to wire up the solenoid when doing a 6.4l manifold to a 5.7l swap
a lot of questions have been fielded about how to wire the msd window switch for the 6.4l short runner tuning valve. i sat down on a recent vacation and worked my way backwards to figure how to painlessly wire this system so it works close to what the factory intended. i have acess to all the service information from FCA being that i work for them. get the connector from chrysler for the solenoid. DON'T buy the circuit boss, it is confusing and unnescessary. the red wire from the window...
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Engine Dyno vs. Chassis Dyno
What's the difference between running an engine on an engine-dyno, or, as installed in the car, on a chassis-dyno? Most chassis dynos extrapolate an engine's power and torque based on vehicle inertia. Many variables can affect chassis dyno results. It's a great convenient tuning aid, but you can't directly equate the reported torque and power numbers back to engine dyno results, or even the results obtained from two different chassis dynos. Operator experience is critical for obtaining...
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A Guide to Locking Lug Nuts
Do you want to protect your wheels and tires from being stolen? The best security is locking lug nuts. These special wheel locks will help keep your wheels and tires safe even in dangerous neighborhoods or unlit parking lots. You’ll sleep better at night knowing that they will still be on your car when you wake up in the morning. Without a unique key, most thieves will be stopped in their tracks if they attempt to steal your rims and may move on to easier scores. Thieves are not only after...
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